add windows batch file

* #1023 - [Scala] Use status family during response processing

* #1023 - [Scala] Use status family during response processing - adding REDIRECTION & INFORMATIONAL support

.java-version

@@ -1 +1 @@
-oracle64-1.8.0.152
+oracle64-1.8.0.152

.travis.yml

@@ -133,18 +133,16 @@ after_success:
         cd modules/openapi-generator-gradle-plugin;
         ./gradlew -Psigning.keyId="$SIGNING_KEY" -Psigning.password="$SIGNING_PASSPHRASE" -Psigning.secretKeyRingFile="${TRAVIS_BUILD_DIR}/sec.gpg" -PossrhUsername="${SONATYPE_USERNAME}" -PossrhPassword="${SONATYPE_PASSWORD}" uploadArchives --no-daemon;
         echo "Finished ./gradlew uploadArchives";
-        #./gradlew publishPlugins;
-        #echo "Finished ./gradlew publishPlugins (plugin portal)";
         popd;
       elif ([[ "$TRAVIS_BRANCH" =~ ^[0-9]+\.[0-9]+\.x$ ]]) ; then
         mvn clean deploy --settings CI/settings.xml;
         echo "Finished mvn clean deploy for $TRAVIS_BRANCH";
         pushd .;
         cd modules/openapi-generator-gradle-plugin;
+        ./gradlew -Psigning.keyId="$SIGNING_KEY" -Psigning.password="$SIGNING_PASSPHRASE" -Psigning.secretKeyRingFile="${TRAVIS_BUILD_DIR}/sec.gpg" publishPlugins -Dgradle.publish.key=$GRADLE_PUBLISH_KEY -Dgradle.publish.secret=$GRADLE_PUBLISH_SECRET --no-daemon;
+        echo "Finished ./gradlew publishPlugins (plugin portal)";
         ./gradlew -PossrhUsername="${SONATYPE_USERNAME}" -PossrhPassword="${SONATYPE_PASSWORD}" uploadArchives --no-daemon;
         echo "Finished ./gradlew uploadArchives";
-        #./gradlew publishPlugins;
-        #echo "Finished ./gradlew publishPlugins (plugin portal)";
         popd;
       fi;
     fi;

README.md

@@ -39,7 +39,7 @@ OpenAPI Generator allows generation of API client libraries (SDK generation), se
 |                                | Languages/Frameworks |
 |-|-|
 **API clients**                  | **ActionScript**, **Ada**, **Apex**, **Bash**, **C**, **C#** (.net 2.0, 3.5 or later), **C++** (cpprest, Qt5, Tizen), **Clojure**, **Dart (1.x, 2.x)**, **Elixir**, **Elm**, **Eiffel**, **Erlang**, **Go**, **Groovy**, **Haskell** (http-client, Servant), **Java** (Jersey1.x, Jersey2.x, OkHttp, Retrofit1.x, Retrofit2.x, Feign, RestTemplate, RESTEasy, Vertx, Google API Client Library for Java, Rest-assured, Spring 5 Web Client), **Kotlin**, **Lua**, **Node.js** (ES5, ES6, AngularJS with Google Closure Compiler annotations, Flow types) **Objective-C**, **Perl**, **PHP**, **PowerShell**, **Python**, **R**, **Ruby**, **Rust** (rust, rust-server), **Scala** (akka, http4s, scalaz, swagger-async-httpclient), **Swift** (2.x, 3.x, 4.x), **Typescript** (AngularJS, Angular (2.x - 7.x), Aurelia, Axios, Fetch, Inversify, jQuery, Node, Rxjs)
-**Server stubs**                 | **Ada**, **C#** (ASP.NET Core, NancyFx), **C++** (Pistache, Restbed), **Erlang**, **Go** (net/http, Gin), **Haskell** (Servant), **Java** (MSF4J, Spring, Undertow, JAX-RS: CDI, CXF, Inflector, RestEasy, Play Framework, [PKMST](https://github.com/ProKarma-Inc/pkmst-getting-started-examples)), **Kotlin** (Spring Boot, Ktor), **PHP** (Laravel, Lumen, Slim, Silex, [Symfony](https://symfony.com/), [Zend Expressive](https://github.com/zendframework/zend-expressive)), **Python** (Flask), **NodeJS**, **Ruby** (Sinatra, Rails5), **Rust** (rust-server), **Scala** ([Finch](https://github.com/finagle/finch), [Lagom](https://github.com/lagom/lagom), Scalatra)
+**Server stubs**                 | **Ada**, **C#** (ASP.NET Core, NancyFx), **C++** (Pistache, Restbed), **Erlang**, **Go** (net/http, Gin), **Haskell** (Servant), **Java** (MSF4J, Spring, Undertow, JAX-RS: CDI, CXF, Inflector, RestEasy, Play Framework, [PKMST](https://github.com/ProKarma-Inc/pkmst-getting-started-examples)), **Kotlin** (Spring Boot, Ktor), **PHP** (Laravel, Lumen, Slim, Silex, [Symfony](https://symfony.com/), [Zend Expressive](https://github.com/zendframework/zend-expressive)), **Python** (Flask), **NodeJS**, **Ruby** (Sinatra, Rails5), **Rust** (rust-server), **Scala** ([Finch](https://github.com/finagle/finch), [Lagom](https://github.com/lagom/lagom), [Play](https://www.playframework.com/), Scalatra)
 **API documentation generators** | **HTML**, **Confluence Wiki**
 **Configuration files**          | [**Apache2**](https://httpd.apache.org/)
 **Others**                       | **GraphQL**, **JMeter**, **MySQL Schema**
@@ -511,6 +511,7 @@ Here are some companies/projects (alphabetical order) using OpenAPI Generator in
 - [FormAPI](https://formapi.io/)
 - [GenFlow](https://github.com/RepreZen/GenFlow)
 - [GMO Pepabo](https://pepabo.com/en/)
+- [GoDaddy](https://godaddy.com)
 - [JustStar](https://www.juststarinfo.com)
 - [Klarna](https://www.klarna.com/)
 - [Metaswitch](https://www.metaswitch.com/)
@@ -551,6 +552,10 @@ Here are some companies/projects (alphabetical order) using OpenAPI Generator in
 - 2019/02/20 - [An adventure in OpenAPI V3 code generation](https://mux.com/blog/an-adventure-in-openapi-v3-api-code-generation/) by [Phil Cluff](https://mux.com/blog/author/philc/)
 - 2019/02/26 - [Building API Services: A Beginner’s Guide](https://medium.com/google-cloud/building-api-services-a-beginners-guide-7274ae4c547f) by [Ratros Y.](https://medium.com/@ratrosy) in [Google Cloud Platofrm Blog](https://medium.com/google-cloud)
 - 2019/02/26 - [Building APIs with OpenAPI: Continued](https://medium.com/@ratrosy/building-apis-with-openapi-continued-5d0faaed32eb) by [Ratros Y.](https://medium.com/@ratrosy) in [Google Cloud Platofrm Blog](https://medium.com/google-cloud)
+- 2019-03-07 - [OpenAPI Generator で Spring Boot と Angular をタイプセーフに繋ぐ](https://qiita.com/chibato/items/e4a748db12409b40c02f) by [Tomofumi Chiba](https://github.com/chibat)
+- 2019-03-25 - [Access any REST service with the SAP S/4HANA Cloud SDK](https://blogs.sap.com/2019/03/25/integrate-sap-s4hana-cloud-sdk-with-open-api/) by [Alexander Duemont](https://people.sap.com/alexander.duemont)
+- 2019-03-25 - [OpenAPI generatorを試してみる](https://qiita.com/amuyikam/items/e8a45daae59c68be0fc8) by [@amuyikam](https://twitter.com/amuyikam)
+
 
 ## [6 - About Us](#table-of-contents)
 
@@ -662,6 +667,7 @@ Here is a list of template creators:
    * Rust (rust-server): @metaswitch
    * Scala Finch: @jimschubert [:heart:](https://www.patreon.com/jimschubert)
    * Scala Lagom: @gmkumar2005
+   * Scala Play: @adigerber
  * Documentation
    * HTML Doc 2: @jhitchcock
    * Confluence Wiki: @jhitchcock
@@ -722,8 +728,8 @@ If you want to join the committee, please kindly apply by sending an email to te
 | GraphQL   | @renepardon (2018/12) |
 | Groovy    |  |
 | Haskell   |  |
-| Java      | @bbdouglas (2017/07) @sreeshas (2017/08) @jfiala (2017/08) @lukoyanov (2017/09) @cbornet (2017/09) @jeff9finger (2018/01) |
-| Kotlin    | @jimschubert (2017/09) [:heart:](https://www.patreon.com/jimschubert), @dr4ke616 (2018/08) |
+| Java      | @bbdouglas (2017/07) @sreeshas (2017/08) @jfiala (2017/08) @lukoyanov (2017/09) @cbornet (2017/09) @jeff9finger (2018/01) @karismann (2019/03) |
+| Kotlin    | @jimschubert (2017/09) [:heart:](https://www.patreon.com/jimschubert), @dr4ke616 (2018/08) @karismann (2019/03) |
 | Lua       | @daurnimator (2017/08) |
 | NodeJS/Javascript | @CodeNinjai (2017/07) @frol (2017/07) @cliffano (2017/07) |
 | ObjC      |  |

bin/dart-jaguar-petstore.sh

@@ -35,6 +35,14 @@ java $JAVA_OPTS -jar $executable $ags
 ags="$@ generate -t modules/openapi-generator/src/main/resources/dart-jaguar -i modules/openapi-generator/src/test/resources/2_0/petstore.yaml -g dart-jaguar -o samples/client/petstore/dart-jaguar/flutter_petstore/openapi -DhideGenerationTimestamp=true -DpubName=openapi"
 java $JAVA_OPTS -jar $executable $ags
 
+# Generate proto and put it to the flutter sample app
+ags="$@ generate -t modules/openapi-generator/src/main/resources/dart-jaguar -i modules/openapi-generator/src/test/resources/2_0/petstore-proto.yaml -g dart-jaguar -o samples/client/petstore/dart-jaguar/flutter_proto_petstore/openapi -Dserialization=proto -DhideGenerationTimestamp=true -DpubName=openapi"
+java $JAVA_OPTS -jar $executable $ags
+
+# Generate proto and put it to the sample
+ags="$@ generate -t modules/openapi-generator/src/main/resources/dart-jaguar -i modules/openapi-generator/src/test/resources/2_0/petstore-proto.yaml -g dart-jaguar -o samples/client/petstore/dart-jaguar/openapi_proto -Dserialization=proto -DhideGenerationTimestamp=true -DpubName=openapi"
+java $JAVA_OPTS -jar $executable $ags
+
 # There is a proposal to allow importing different libraries depending on the environment:
 # https://github.com/munificent/dep-interface-libraries
 # When this is implemented there will only be one library.

bin/java-petstore-vertx.json

@@ -1,4 +1,5 @@
 {
     "library": "vertx",
+    "dateLibrary": "java8",
     "artifactId": "petstore-vertx"
 }

bin/nodejs-fastify-petstore-server.sh

@@ -22,11 +22,11 @@ executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
 
 if [ ! -f "$executable" ]
 then
-  mvn clean package
+  mvn -B clean package
 fi
 
 # if you've executed sbt assembly previously it will use that instead.
 export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/cpp-qt5-client -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g cpp-qt5-client -o samples/client/petstore-security-test/cpp-qt5 $@"
+ags="generate -t modules/openapi-generator/src/main/resources/nodejs-fastify-server -i modules/openapi-generator/src/test/resources/2_0/petstore.yaml -g nodejs-fastify-server -o samples/server/petstore/nodejs-fastify-server $@"
 
 java $JAVA_OPTS -jar $executable $ags

bin/ruby-client-petstore.sh

@@ -25,6 +25,11 @@ then
   mvn -B clean package
 fi
 
+echo "purge ruby petstore lib, docs, spec folder"
+rm -Rf samples/client/petstore/ruby/lib
+rm -Rf samples/client/petstore/ruby/docs
+rm -Rf samples/client/petstore/ruby/spec
+
 # if you've executed sbt assembly previously it will use that instead.
 export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
 ags="generate -t modules/openapi-generator/src/main/resources/ruby-client -i modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml -g ruby -c bin/ruby-petstore.json -o samples/client/petstore/ruby $@"

bin/scala-play-framework-petstore.sh

@@ -22,11 +22,11 @@ executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
 
 if [ ! -f "$executable" ]
 then
-  mvn clean package
+  mvn -B clean package
 fi
 
 # if you've executed sbt assembly previously it will use that instead.
 export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/scala-httpclient -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g scala-httpclient -o samples/client/petstore-security-test/scala-httpclient $@"
+ags="generate -t modules/openapi-generator/src/main/resources/scala-play-server -i modules/openapi-generator/src/test/resources/2_0/petstore.yaml -g scala-play-server -o samples/server/petstore/scala-play-server $@"
 
 java $JAVA_OPTS -jar $executable $ags

bin/security/csharp-petstore.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g csharp -o samples/client/petstore-security-test/csharp/SwaggerClient --additional-properties packageGuid={8CE139DF-64BC-4591-85F8-8506C2B67514} $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/go-petstore.sh

@@ -1,39 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-SPEC="modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml"
-GENERATOR="go"
-STUB_DIR="samples/client/petstore-security-test/go"
-
-echo "Removing files and folders under $STUB_DIR"
-rm -rf $STUB_DIR
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/go -i $SPEC -g $GENERATOR -o $STUB_DIR $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/java-petstore-okhttp-gson.sh

@@ -1,34 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g java -c bin/java-petstore-okhttp-gson.json -o samples/client/petstore-security-test/java/okhttp-gson -DhideGenerationTimestamp=true $@"
-
-rm -rf samples/client/petstore-security-test/java/okhttp-gson/src/main
-find samples/client/petstore-security-test/java/okhttp-gson -maxdepth 1 -type f ! -name "README.md" -exec rm {} +
-java $JAVA_OPTS -jar $executable $ags

bin/security/javascript-closure-angular.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g javascript-closure-angular -o samples/client/petstore-security-test/javascript-closure-angular $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/javascript-petstore.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/Javascript -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g javascript -o samples/client/petstore-security-test/javascript  -DappName=PetstoreClient $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/lumen-petstore-server.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/lumen -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g php-lumen -o samples/server/petstore-security-test/lumen $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/mysql-schema-petstore.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/mysql-schema -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g mysql-schema -o samples/schema/petstore-security-test/mysql $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/objc-petstore.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/objc -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g objc -o samples/client/petstore-security-test/objc $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/openapi3/php-petstore.sh

@@ -1,38 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# cleanup tests
-TEST_DIR="./samples/client/petstore-security-test/php/OpenAPIToolsClient-php/test"
-if [ -d $TEST_DIR ]; then
-  rm -rf $TEST_DIR
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/php -i modules/openapi-generator/src/test/resources/3_0/petstore-security-test.yaml -g php -o samples/openapi3/client/petstore-security-test/php/OpenAPIClient-php $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/openapi3/windows/php-petstore.bat

@@ -1,10 +0,0 @@
-set executable=.\modules\openapi-generator-cli\target\openapi-generator-cli.jar
-
-If Not Exist %executable% (
-  mvn clean package
-)
-
-REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -i modules\openapi-generator\src\test\resources\3_0\petstore-security-test.yaml -g php -o samples\openapi3\client\petstore-security-test\php\OpenAPIClient-php
-
-java %JAVA_OPTS% -jar %executable% %ags%

bin/security/perl-petstore.sh

@@ -1,35 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-# complex module name used for testing
-ags="generate -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g perl -o samples/client/petstore-security-test/perl $@"
-
-java $JAVA_OPTS -jar $executable $ags
-
-java $JAVA_OPTS -jar $executable $ags --additional-properties moduleName=Something::Deep -o samples/client/petstore-security-test/perl/deep_module_test

bin/security/php-petstore.sh

@@ -1,38 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# cleanup tests
-TEST_DIR="./samples/client/petstore-security-test/php/OpenAPIToolsClient-php/test"
-if [ -d $TEST_DIR ]; then
-  rm -rf $TEST_DIR
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/php -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g php -o samples/client/petstore-security-test/php/OpenAPIClient-php $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/php-slim-server-petstore.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/php-slim-server -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g php-slim -o samples/server/petstore-security-test/php-slim $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/python-petstore.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/python -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g python -o samples/client/petstore-security-test/python -DpackageName=petstore_api $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/ruby-client-petstore.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/ruby-client -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g ruby -c bin/ruby-petstore.json -o samples/client/petstore-security-test/ruby $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/run-all-petstore-security-test

@@ -1,15 +0,0 @@
-#!/bin/bash -e
-
-for SCRIPT in ./bin/security/*.sh
-do
-    if [ -f $SCRIPT -a -x $SCRIPT ]
-    then
-        $SCRIPT
-        rc=$?
-        if [[ $rc != 0 ]]
-        then
-            echo "ERROR!! FAILED TO RUN $SCRIPT"
-            exit $rc;
-        fi
-    fi
-done

bin/security/silex-petstore-server.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/php-silex -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g php-silex -o samples/server/petstore-security-test/silex/SwaggerServer $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/swift-petstore.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/swift -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g swift2-deprecated -o samples/client/petstore-security-test/swift $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/typescript-angular.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/typescript-angular -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g typescript-angular -o samples/client/petstore-security-test/typescript-angular $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/typescript-angular2.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g typescript-angular -o samples/client/petstore-security-test/typescript-angular2 $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/typescript-fetch-petstore.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/typescript-fetch -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g typescript-fetch -o samples/client/petstore-security-test/typescript-fetch $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/typescript-inversify.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/typescript-inversify -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g typescript-inversify -o samples/client/petstore-security-test/typescript-inversify $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/typescript-jquery-all.sh

@@ -1,37 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-
-echo "Typescript jquery Petstore API client (default setting)"
-ags="generate -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g typescript-jquery -o samples/client/petstore-security-test/typescript-jquery/default $@"
-java $JAVA_OPTS -jar $executable $ags
-
-echo "Typescript jquery Petstore API client with npm setting"
-ags="generate -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g typescript-jquery -c bin/typescript-petstore-npm.json -o samples/client/petstore-security-test/typescript-jquery/npm $@"
-java $JAVA_OPTS -jar $executable $ags

bin/security/typescript-node.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-SCRIPT="$0"
-echo "# START SCRIPT: $SCRIPT"
-
-while [ -h "$SCRIPT" ] ; do
-  ls=`ls -ld "$SCRIPT"`
-  link=`expr "$ls" : '.*-> \(.*\)$'`
-  if expr "$link" : '/.*' > /dev/null; then
-    SCRIPT="$link"
-  else
-    SCRIPT=`dirname "$SCRIPT"`/"$link"
-  fi
-done
-
-if [ ! -d "${APP_DIR}" ]; then
-  APP_DIR=`dirname "$SCRIPT"`/..
-  APP_DIR=`cd "${APP_DIR}"; pwd`
-fi
-
-executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
-
-if [ ! -f "$executable" ]
-then
-  mvn clean package
-fi
-
-# if you've executed sbt assembly previously it will use that instead.
-export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
-ags="generate -t modules/openapi-generator/src/main/resources/typescript-node -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g typescript-node -o samples/client/petstore-security-test/typescript-node $@"
-
-java $JAVA_OPTS -jar $executable $ags

bin/security/windows/csharp-petstore.bat

@@ -1,10 +0,0 @@
-set executable=.\modules\openapi-generator-cli\target\openapi-generator-cli.jar
-
-If Not Exist %executable% (
-  mvn clean package
-)
-
-REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -i modules/openapi-generator/src/test/resources/2_0/petstore-security-test.yaml -g csharp -o samples/client/petstore-security-test/csharp/SwaggerClient --additional-properties packageGuid={8CE139DF-64BC-4591-85F8-8506C2B67514}
-
-java %JAVA_OPTS% -jar %executable% %ags%

bin/security/windows/qt5cpp-petstore.bat

@@ -1,10 +0,0 @@
-set executable=.\modules\openapi-generator-cli\target\openapi-generator-cli.jar
-
-If Not Exist %executable% (
-  mvn clean package
-)
-
-REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -t modules/openapi-generator/src/main/resources/cpp-qt5-client -i modules\openapi-generator\src\test\resources\2_0\petstore-security-test.yaml -g qt5cpp -o samples\client\petstore-security-test\qt5cpp
-
-java %JAVA_OPTS% -jar %executable% %ags%

bin/utils/ensure-up-to-date

@@ -24,6 +24,7 @@ declare -a scripts=(
 "./bin/kotlin-client-string.sh"
 "./bin/kotlin-client-threetenbp.sh"
 "./bin/kotlin-server-petstore.sh"
+"./bin/kotlin-springboot-petstore-server.sh"
 "./bin/mysql-schema-petstore.sh"
 "./bin/python-petstore-all.sh"
 "./bin/openapi3/python-petstore.sh"
@@ -34,7 +35,9 @@ declare -a scripts=(
 "./bin/php-slim-server-petstore.sh"
 "./bin/php-ze-ph-petstore-server.sh"
 "./bin/openapi3/php-petstore.sh"
+"./bin/typescript-angularjs-petstore.sh"
 "./bin/typescript-angular-petstore-all.sh"
+"./bin/typescript-aurelia-petstore.sh"
 "./bin/typescript-axios-petstore-all.sh"
 "./bin/typescript-fetch-petstore-all.sh"
 "./bin/typescript-node-petstore-all.sh"

bin/windows/kotlin-springboot-petstore-server.bat

@@ -1,10 +1,10 @@
-set executable=.\modules\openapi-generator-cli\target\openapi-generator-cli.jar
-
-If Not Exist %executable% (
-  mvn clean package
-)
-
-REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -i modules\openapi-generator\src\test\resources\2_0\petstore.yaml -g kotlin-spring -o samples\server\petstore\kotlin-springboot --additional-properties=library=spring-boot
-
-java %JAVA_OPTS% -jar %executable% %ags%
+set executable=.\modules\openapi-generator-cli\target\openapi-generator-cli.jar
+
+If Not Exist %executable% (
+  mvn clean package
+)
+
+REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
+set ags=generate -i modules\openapi-generator\src\test\resources\2_0\petstore.yaml -g kotlin-spring -o samples\server\petstore\kotlin-springboot --additional-properties=library=spring-boot,beanValidations=true,swaggerAnnotations=true,serviceImplementation=true
+
+java %JAVA_OPTS% -jar %executable% %ags%

bin/windows/nodejs-fastify-petstore-server.bat

@@ -0,0 +1,10 @@
+set executable=.\modules\openapi-generator-cli\target\openapi-generator-cli.jar
+
+If Not Exist %executable% (
+  mvn clean package
+)
+
+REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
+set ags=generate -t modules\openapi-generator\src\main\resources\nodejs-fastify-server -i modules\openapi-generator\src\test\resources\2_0\petstore.yaml -g nodejs-fastify-server -o samples\server\petstore\nodejs-fastify-server
+
+java %JAVA_OPTS% -jar %executable% %ags%

bin/windows/scala-play-framework-petstore.bat

@@ -5,6 +5,6 @@ If Not Exist %executable% (
 )
 
 REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -i modules\openapi-generator\src\test\resources\2_0\petstore-security-test.yaml -g php -o samples\client\petstore-security-test\php\OpenAPIClient-php
+set ags=generate -i modules\openapi-generator\src\test\resources\2_0\petstore.yaml -g scala-play-server -o samples\server\petstore\scala-play-server
 
 java %JAVA_OPTS% -jar %executable% %ags%

docs/generators.md

@@ -105,6 +105,7 @@ The following generators are available:
     - [rust-server](generators/rust-server.md)
     - [scala-finch](generators/scala-finch.md)
     - [scala-lagom-server](generators/scala-lagom-server.md)
+    - [scala-play-server](generators/scala-play-server.md)
     - [scalatra](generators/scalatra.md)
     - [spring](generators/spring.md)
 

docs/generators/dart-jaguar.md

@@ -19,3 +19,4 @@ sidebar_label: dart-jaguar
 |sourceFolder|source folder for generated code| |null|
 |supportDart2|support dart2| |true|
 |nullableFields|Is the null fields should be in the JSON payload| |null|
+|serialization|Choose serialization format JSON or PROTO is supported| |null|

docs/generators/go-gin-server.md

@@ -8,4 +8,5 @@ sidebar_label: go-gin-server
 | Option | Description | Values | Default |
 | ------ | ----------- | ------ | ------- |
 |packageName|Go package name (convention: lowercase).| |openapi|
+|packageVersion|Go package version.| |1.0.0|
 |hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |true|

docs/generators/go-server.md

@@ -8,4 +8,7 @@ sidebar_label: go-server
 | Option | Description | Values | Default |
 | ------ | ----------- | ------ | ------- |
 |packageName|Go package name (convention: lowercase).| |openapi|
+|packageVersion|Go package version.| |1.0.0|
 |hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |true|
+|sourceFolder|source folder for generated code| |go|
+|serverPort|The network port the generated server binds to| |8080|

docs/generators/go.md

@@ -8,8 +8,8 @@ sidebar_label: go
 | Option | Description | Values | Default |
 | ------ | ----------- | ------ | ------- |
 |packageName|Go package name (convention: lowercase).| |openapi|
-|hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |true|
 |packageVersion|Go package version.| |1.0.0|
+|hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |true|
 |withGoCodegenComment|whether to include Go codegen comment to disable Go Lint and collapse by default GitHub in PRs and diffs| |false|
 |withXml|whether to include support for application/xml content type and include XML annotations in the model (works with libraries that provide support for JSON and XML)| |false|
 |prependFormOrBodyParameters|Add form or body parameters to the beginning of the parameter list.| |false|

docs/generators/java.md

@@ -54,4 +54,4 @@ sidebar_label: java
 |useRuntimeException|Use RuntimeException instead of Exception| |false|
 |feignVersion|Version of OpenFeign: '10.x', '9.x' (default)| |false|
 |useReflectionEqualsHashCode|Use org.apache.commons.lang3.builder for equals and hashCode in the models. WARNING: This will fail under a security manager, unless the appropriate permissions are set up correctly and also there's potential performance impact.| |false|
-|library|library template (sub-template) to use|<dl><dt>**jersey1**</dt><dd>HTTP client: Jersey client 1.19.4. JSON processing: Jackson 2.8.9. Enable Java6 support using '-DsupportJava6=true'. Enable gzip request encoding using '-DuseGzipFeature=true'.</dd><dt>**feign**</dt><dd>HTTP client: OpenFeign 9.4.0. JSON processing: Jackson 2.8.9. To enable OpenFeign 10.x, set the 'feignVersion' option to '10.x'</dd><dt>**jersey2**</dt><dd>HTTP client: Jersey client 2.25.1. JSON processing: Jackson 2.8.9</dd><dt>**okhttp-gson**</dt><dd>HTTP client: OkHttp 2.7.5. JSON processing: Gson 2.8.1. Enable Parcelable models on Android using '-DparcelableModel=true'. Enable gzip request encoding using '-DuseGzipFeature=true'.</dd><dt>**retrofit**</dt><dd>HTTP client: OkHttp 2.7.5. JSON processing: Gson 2.3.1 (Retrofit 1.9.0). IMPORTANT NOTE: retrofit1.x is no longer actively maintained so please upgrade to 'retrofit2' instead.</dd><dt>**retrofit2**</dt><dd>HTTP client: OkHttp 3.8.0. JSON processing: Gson 2.6.1 (Retrofit 2.3.0). Enable the RxJava adapter using '-DuseRxJava[2]=true'. (RxJava 1.x or 2.x)</dd><dt>**resttemplate**</dt><dd>HTTP client: Spring RestTemplate 4.3.9-RELEASE. JSON processing: Jackson 2.8.9</dd><dt>**webclient**</dt><dd>HTTP client: Spring WebClient 5.0.7-RELEASE. JSON processing: Jackson 2.9.5</dd><dt>**resteasy**</dt><dd>HTTP client: Resteasy client 3.1.3.Final. JSON processing: Jackson 2.8.9</dd><dt>**vertx**</dt><dd>HTTP client: VertX client 3.2.4. JSON processing: Jackson 2.8.9</dd><dt>**google-api-client**</dt><dd>HTTP client: Google API client 1.23.0. JSON processing: Jackson 2.8.9</dd><dt>**rest-assured**</dt><dd>HTTP client: rest-assured : 3.1.0. JSON processing: Gson 2.6.1. Only for Java8</dd><dl>|okhttp-gson|
+|library|library template (sub-template) to use|<dl><dt>**jersey1**</dt><dd>HTTP client: Jersey client 1.19.x. JSON processing: Jackson 2.8.x. Enable Java6 support using '-DsupportJava6=true'. Enable gzip request encoding using '-DuseGzipFeature=true'.</dd><dt>**feign**</dt><dd>HTTP client: OpenFeign 9.x or 10.x. JSON processing: Jackson 2.8.x. To enable OpenFeign 10.x, set the 'feignVersion' option to '10.x'</dd><dt>**jersey2**</dt><dd>HTTP client: Jersey client 2.25.1. JSON processing: Jackson 2.8.x</dd><dt>**okhttp-gson**</dt><dd>HTTP client: OkHttp 3.x. JSON processing: Gson 2.8.x. Enable Parcelable models on Android using '-DparcelableModel=true'. Enable gzip request encoding using '-DuseGzipFeature=true'.</dd><dt>**retrofit**</dt><dd>HTTP client: OkHttp 2.x. JSON processing: Gson 2.x (Retrofit 1.9.0). IMPORTANT NOTE: retrofit1.x is no longer actively maintained so please upgrade to 'retrofit2' instead.</dd><dt>**retrofit2**</dt><dd>HTTP client: OkHttp 3.x. JSON processing: Gson 2.x (Retrofit 2.3.0). Enable the RxJava adapter using '-DuseRxJava[2]=true'. (RxJava 1.x or 2.x)</dd><dt>**resttemplate**</dt><dd>HTTP client: Spring RestTemplate 4.x. JSON processing: Jackson 2.8.x</dd><dt>**webclient**</dt><dd>HTTP client: Spring WebClient 5.x. JSON processing: Jackson 2.9.x</dd><dt>**resteasy**</dt><dd>HTTP client: Resteasy client 3.x. JSON processing: Jackson 2.8.x</dd><dt>**vertx**</dt><dd>HTTP client: VertX client 3.x. JSON processing: Jackson 2.8.x</dd><dt>**google-api-client**</dt><dd>HTTP client: Google API client 1.x. JSON processing: Jackson 2.8.x</dd><dt>**rest-assured**</dt><dd>HTTP client: rest-assured : 3.x. JSON processing: Gson 2.x. Only for Java8</dd><dl>|okhttp-gson|

docs/generators/scala-play-framework.md

@@ -0,0 +1,22 @@
+
+---
+id: generator-opts-server-scala-play-framework
+title: Config Options for scala-play-framework
+sidebar_label: scala-play-framework
+---
+
+| Option | Description | Values | Default |
+| ------ | ----------- | ------ | ------- |
+|sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |true|
+|ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
+|allowUnicodeIdentifiers|boolean, toggles whether unicode identifiers are allowed in names or not, default is false| |false|
+|prependFormOrBodyParameters|Add form or body parameters to the beginning of the parameter list.| |false|
+|modelPackage|package for generated models| |null|
+|apiPackage|package for generated api classes| |null|
+|sourceFolder|source folder for generated code| |null|
+|routesFileName|Name of the routes file to generate.| |routes|
+|routesFileName|Base package in which supporting classes are generated.| |org.openapitools|
+|skipStubs|If set, skips generation of stub classes.| |false|
+|supportAsync|If set, wraps API return types with Futures and generates async actions.| |false|
+|generateCustomExceptions|If set, generates custom exception types.| |true|
+|useSwaggerUI|Add a route to /api which show your documentation in swagger-ui. Will also import needed dependencies| |true|

docs/generators/scala-play-server.md

@@ -0,0 +1,22 @@
+
+---
+id: generator-opts-server-scala-play-server
+title: Config Options for scala-play-server
+sidebar_label: scala-play-server
+---
+
+| Option | Description | Values | Default |
+| ------ | ----------- | ------ | ------- |
+|sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |true|
+|ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
+|allowUnicodeIdentifiers|boolean, toggles whether unicode identifiers are allowed in names or not, default is false| |false|
+|prependFormOrBodyParameters|Add form or body parameters to the beginning of the parameter list.| |false|
+|modelPackage|package for generated models| |null|
+|apiPackage|package for generated api classes| |null|
+|sourceFolder|source folder for generated code| |null|
+|routesFileName|Name of the routes file to generate.| |routes|
+|routesFileName|Base package in which supporting classes are generated.| |org.openapitools|
+|skipStubs|If set, skips generation of stub classes.| |false|
+|supportAsync|If set, wraps API return types with Futures and generates async actions.| |false|
+|generateCustomExceptions|If set, generates custom exception types.| |true|
+|useSwaggerUI|Add a route to /api which show your documentation in swagger-ui. Will also import needed dependencies| |true|

docs/migration-from-swagger-codegen.md

@@ -249,4 +249,4 @@ If your API client is using named parameters in the function call (e.g. Perl req
 
 ## Default basePath
 
-The default `basePath` has been changed from `https://localhost` to `http://locallhost` (http without s)
+The default `basePath` has been changed from `https://localhost` to `http://localhost` (http without s)

docs/usage.md

@@ -72,8 +72,8 @@ SYNOPSIS
 
 OPTIONS
         -f <output format>, --format <output format>
-            Write output files in the desired format. Options are 'text' and
-            'markdown'. Default is 'text'.
+            Write output files in the desired format. Options are 'text',
+            'markdown' or 'yamlsample'. Default is 'text'.
 
         -g <generator name>, --generator-name <generator name>
             generator to get config help for

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/ConfigHelp.java

@@ -29,8 +29,8 @@ import org.slf4j.LoggerFactory;
 
 import java.io.*;
 import java.nio.charset.StandardCharsets;
-import java.util.Map;
 import java.nio.file.Paths;
+import java.util.Map;
 
 import static org.apache.commons.lang3.StringEscapeUtils.escapeHtml4;
 import static org.apache.commons.lang3.StringUtils.isEmpty;
@@ -40,30 +40,34 @@ public class ConfigHelp implements Runnable {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(Generate.class);
 
-    @Option(name = {"-g", "--generator-name"}, title = "generator name",
-            description = "generator to get config help for")
+    public static final String FORMAT_TEXT = "text";
+    public static final String FORMAT_MARKDOWN = "markdown";
+    public static final String FORMAT_YAMLSAMPLE = "yamlsample";
+
+    @Option(name = {"-g",
+            "--generator-name"}, title = "generator name", description = "generator to get config help for")
     private String generatorName;
 
-    @Option(name = {"--named-header"}, title = "named header",
-            description = "Header includes the generator name, for clarity in output")
+    @Option(name = {
+            "--named-header"}, title = "named header", description = "Header includes the generator name, for clarity in output")
     private Boolean namedHeader;
 
-    @Option(name = {"-o", "--output"}, title = "output location",
-            description = "Optionally write help to this location, otherwise default is standard output")
+    @Option(name = {"-o",
+            "--output"}, title = "output location", description = "Optionally write help to this location, otherwise default is standard output")
     private String outputFile;
 
-    @Option(name = {"-f", "--format"}, title = "output format",
-            description = "Write output files in the desired format. Options are 'text' and 'markdown'. Default is 'text'.")
+    @Option(name = {"-f",
+            "--format"}, title = "output format", description = "Write output files in the desired format. Options are 'text', 'markdown' or 'yamlsample'. Default is 'text'.", allowedValues = {
+            FORMAT_TEXT, FORMAT_MARKDOWN, FORMAT_YAMLSAMPLE})
     private String format;
 
-    @Option(name = {"--markdown-header"}, title = "markdown header",
-            description = "When format=markdown, include this option to write out markdown headers (e.g. for docusaurus).")
+    @Option(name = {
+            "--markdown-header"}, title = "markdown header", description = "When format=markdown, include this option to write out markdown headers (e.g. for docusaurus).")
     private Boolean markdownHeader;
 
     private String newline = System.lineSeparator();
 
-    @Override
-    public void run() {
+    @Override public void run() {
         if (isEmpty(generatorName)) {
             LOGGER.error("[error] A generator name (--generator-name / -g) is required.");
             System.exit(1);
@@ -73,20 +77,34 @@ public class ConfigHelp implements Runnable {
             StringBuilder sb = new StringBuilder();
             CodegenConfig config = CodegenConfigLoader.forName(generatorName);
 
-            if (StringUtils.isEmpty(format) || "text".equalsIgnoreCase(format)) {
-                generatePlainTextHelp(sb, config);
-            } else if ("markdown".equalsIgnoreCase(format)) {
-                generateMarkdownHelp(sb, config);
-            } else {
-                LOGGER.warn("[warning] Unrecognized format option: %s.%n", format);
+            String desiredFormat = StringUtils.defaultIfBlank(format, FORMAT_TEXT);
+
+            switch (desiredFormat) {
+                case FORMAT_MARKDOWN:
+                    generateMarkdownHelp(sb, config);
+                    break;
+                case FORMAT_YAMLSAMPLE:
+                    generateYamlSample(sb, config);
+                    break;
+                case FORMAT_TEXT:
+                    generatePlainTextHelp(sb, config);
+                    break;
+                default:
+                    LOGGER.warn("[warning] Unrecognized format option: {}", format);
+                    break;
             }
 
+
             if (!isEmpty(outputFile)) {
                 File out = Paths.get(outputFile).toFile();
                 //noinspection ResultOfMethodCallIgnored
-                out.getParentFile().mkdirs();
+                File parentFolder = out.getParentFile();
+                if (parentFolder != null && parentFolder.isDirectory()) {
+                    parentFolder.mkdirs();
+                }
 
-                try (Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(out), StandardCharsets.UTF_8))) {
+                try (Writer writer = new BufferedWriter(
+                        new OutputStreamWriter(new FileOutputStream(out), StandardCharsets.UTF_8))) {
                     writer.write(sb.toString());
                 }
             } else {
@@ -101,12 +119,41 @@ public class ConfigHelp implements Runnable {
         }
     }
 
+    private void generateYamlSample(StringBuilder sb, CodegenConfig config) {
+
+        for (CliOption langCliOption : config.cliOptions()) {
+
+            sb.append("# Description: ").append(langCliOption.getDescription()).append(newline);
+
+            Map<String, String> enums = langCliOption.getEnum();
+            if (enums != null) {
+                sb.append("# Available Values:").append(newline);
+
+                for (Map.Entry<String, String> entry : enums.entrySet()) {
+                    sb.append("#    ").append(entry.getKey()).append(newline);
+                    sb.append("#         ").append(entry.getValue()).append(newline);
+                }
+            }
+
+            String defaultValue = langCliOption.getDefault();
+
+            if (defaultValue != null) {
+                sb.append(langCliOption.getOpt()).append(": ").append(defaultValue).append(newline);
+            } else {
+                sb.append("# ").append(langCliOption.getOpt()).append(": ").append(newline);
+            }
+
+            sb.append(newline);
+        }
+    }
+
     private void generateMarkdownHelp(StringBuilder sb, CodegenConfig config) {
         sb.append(newline);
 
         if (Boolean.TRUE.equals(markdownHeader)) {
             sb.append("---").append(newline);
-            sb.append("id: generator-opts-").append(config.getTag().toValue()).append("-").append(config.getName()).append(newline);
+            sb.append("id: generator-opts-").append(config.getTag().toValue()).append("-")
+                    .append(config.getName()).append(newline);
             sb.append("title: Config Options for ").append(generatorName).append(newline);
             sb.append("sidebar_label: ").append(generatorName).append(newline);
             sb.append("---").append(newline);
@@ -167,7 +214,8 @@ public class ConfigHelp implements Runnable {
         for (CliOption langCliOption : config.cliOptions()) {
             sb.append("\t").append(langCliOption.getOpt());
             sb.append(newline);
-            sb.append("\t    ").append(langCliOption.getOptionHelp().replaceAll("\n", System.lineSeparator() + "\t    "));
+            sb.append("\t    ").append(langCliOption.getOptionHelp()
+                    .replaceAll("\n", System.lineSeparator() + "\t    "));
             sb.append(newline);
             sb.append(newline);
         }

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/Generate.java

@@ -217,6 +217,11 @@ public class Generate implements Runnable {
     @Option(name = {"--generate-alias-as-model"}, title = "generate alias (array, map) as model", description = CodegenConstants.GENERATE_ALIAS_AS_MODEL_DESC)
     private Boolean generateAliasAsModel;
 
+    @Option(name = {"--minimal-update"},
+        title = "Minimal update",
+        description = "Only write output files that have changed.")
+    private Boolean minimalUpdate;
+
     @Override
     public void run() {
         if (logToStderr != null) {
@@ -346,6 +351,9 @@ public class Generate implements Runnable {
         if (generateAliasAsModel != null) {
             configurator.setGenerateAliasAsModel(generateAliasAsModel);
         }
+        if (minimalUpdate != null) {
+            configurator.setEnableMinimalUpdate(minimalUpdate);
+        }
 
         applySystemPropertiesKvpList(systemProperties, configurator);
         applyInstantiationTypesKvpList(instantiationTypes, configurator);

modules/openapi-generator-maven-plugin/examples/multi-module/java-client/pom.xml

@@ -0,0 +1,142 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <parent>
+        <groupId>org.openapitools</groupId>
+        <artifactId>multi-parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>java-client</artifactId>
+    <packaging>jar</packaging>
+    <version>1.0-SNAPSHOT</version>
+    <name>java-client</name>
+    <url>http://maven.apache.org</url>
+    <build>
+        <plugins>
+            <!-- activate the plugin -->
+            <plugin>
+                <groupId>org.openapitools</groupId>
+                <artifactId>openapi-generator-maven-plugin</artifactId>
+                <version>4.0.0-SNAPSHOT</version>
+                <dependencies>
+                    <dependency>
+                        <groupId>${project.groupId}</groupId>
+                        <artifactId>sample-schema</artifactId>
+                        <version>${project.parent.version}</version>
+                    </dependency>
+                </dependencies>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>generate</goal>
+                        </goals>
+                        <configuration>
+                            <!-- specify the OpenAPI spec -->
+                            <inputSpec>openapi.yaml</inputSpec>
+
+                            <!-- target to generate java client code -->
+                            <generatorName>java</generatorName>
+
+                            <!-- hint: if you want to generate java server code, e.g. based on Spring Boot,
+                                 you can use the following target: <generatorName>spring</generatorName> -->
+
+                            <!-- pass any necessary config options -->
+                            <configOptions>
+                                <dateLibrary>joda</dateLibrary>
+                            </configOptions>
+
+                            <!-- override the default library to jersey2 -->
+                            <library>jersey2</library>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.6.1</version>
+                <configuration>
+                        <source>1.7</source>
+                        <target>1.7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <dependencies>
+         <!-- dependencies are needed for the client being generated -->
+         
+        <dependency>
+          <groupId>io.swagger</groupId>
+          <artifactId>swagger-annotations</artifactId>
+          <version>${swagger-annotations-version}</version>
+        </dependency>
+
+        <!-- You can find the dependencies for the library configuation you chose by looking in JavaClientCodegen.
+             Then find the corresponding dependency on Maven Central, and set the versions in the property section below -->
+                
+        <!-- HTTP client: jersey-client -->
+        <dependency>
+            <groupId>org.glassfish.jersey.core</groupId>
+            <artifactId>jersey-client</artifactId>
+            <version>${jersey-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish.jersey.media</groupId>
+            <artifactId>jersey-media-multipart</artifactId>
+            <version>${jersey-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish.jersey.media</groupId>
+            <artifactId>jersey-media-json-jackson</artifactId>
+            <version>${jersey-version}</version>
+        </dependency>
+
+        <!-- JSON processing: jackson -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.jaxrs</groupId>
+            <artifactId>jackson-jaxrs-base</artifactId>
+            <version>${jackson-version}</version>
+        </dependency>
+        <dependency>
+          <groupId>com.fasterxml.jackson.core</groupId>
+          <artifactId>jackson-core</artifactId>
+          <version>${jackson-version}</version>
+        </dependency>
+        <dependency>
+          <groupId>com.fasterxml.jackson.core</groupId>
+          <artifactId>jackson-annotations</artifactId>
+          <version>${jackson-version}</version>
+        </dependency>
+        <dependency>
+          <groupId>com.fasterxml.jackson.core</groupId>
+          <artifactId>jackson-databind</artifactId>
+          <version>${jackson-version}</version>
+        </dependency>
+        <dependency>
+          <groupId>com.fasterxml.jackson.jaxrs</groupId>
+          <artifactId>jackson-jaxrs-json-provider</artifactId>
+          <version>${jackson-version}</version>
+        </dependency>
+
+        <!-- Joda time: if you use it -->
+        <dependency>
+          <groupId>com.fasterxml.jackson.datatype</groupId>
+          <artifactId>jackson-datatype-joda</artifactId>
+          <version>${jackson-version}</version>
+        </dependency>
+        <dependency>
+          <groupId>joda-time</groupId>
+          <artifactId>joda-time</artifactId>
+          <version>${jodatime-version}</version>
+        </dependency>
+
+        <!-- Base64 encoding that works in both JVM and Android -->
+        <dependency>
+            <groupId>com.brsanthu</groupId>
+            <artifactId>migbase64</artifactId>
+            <version>2.2</version>
+        </dependency>
+    </dependencies>
+    
+</project>

modules/openapi-generator-maven-plugin/examples/multi-module/pom.xml

@@ -0,0 +1,23 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>org.openapitools</groupId>
+    <artifactId>multi-parent</artifactId>
+    <packaging>pom</packaging>
+    <version>1.0-SNAPSHOT</version>
+    <name>parent-project</name>
+    <url>http://maven.apache.org</url>
+
+    <modules>
+        <module>sample-schema</module>
+        <module>java-client</module>
+    </modules>
+
+    <properties>
+        <swagger-annotations-version>1.5.8</swagger-annotations-version>
+        <jersey-version>2.27</jersey-version>
+        <jackson-version>2.8.9</jackson-version>
+        <jodatime-version>2.7</jodatime-version>
+        <maven-plugin-version>1.0.0</maven-plugin-version>
+        <junit-version>4.8.1</junit-version>
+    </properties>
+</project>

modules/openapi-generator-maven-plugin/examples/multi-module/sample-schema/pom.xml

@@ -0,0 +1,18 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <parent>
+        <groupId>org.openapitools</groupId>
+        <artifactId>multi-parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>org.openapitools</groupId>
+    <artifactId>sample-schema</artifactId>
+    <packaging>jar</packaging>
+    <version>1.0-SNAPSHOT</version>
+    <name>sample-schema</name>
+    <url>http://maven.apache.org</url>
+
+
+</project>

modules/openapi-generator-maven-plugin/examples/multi-module/sample-schema/src/main/resources/openapi.yaml

@@ -0,0 +1,702 @@
+---
+swagger: "2.0"
+info:
+  description: "This is a sample server Petstore server.  You can find out more about\
+    \ Swagger at [http://swagger.io](http://swagger.io) or on [irc.freenode.net, #swagger](http://swagger.io/irc/).\
+    \  For this sample, you can use the api key `special-key` to test the authorization\
+    \ filters."
+  version: "1.0.0"
+  title: "Swagger Petstore"
+  termsOfService: "http://swagger.io/terms/"
+  contact:
+    email: "apiteam@swagger.io"
+  license:
+    name: "Apache 2.0"
+    url: "http://www.apache.org/licenses/LICENSE-2.0.html"
+host: "petstore.swagger.io"
+basePath: "/v2"
+tags:
+- name: "pet"
+  description: "Everything about your Pets"
+  externalDocs:
+    description: "Find out more"
+    url: "http://swagger.io"
+- name: "store"
+  description: "Access to Petstore orders"
+- name: "user"
+  description: "Operations about user"
+  externalDocs:
+    description: "Find out more about our store"
+    url: "http://swagger.io"
+schemes:
+- "http"
+paths:
+  /pet:
+    post:
+      tags:
+      - "pet"
+      summary: "Add a new pet to the store"
+      description: ""
+      operationId: "addPet"
+      consumes:
+      - "application/json"
+      - "application/xml"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - in: "body"
+        name: "body"
+        description: "Pet object that needs to be added to the store"
+        required: true
+        schema:
+          $ref: "#/definitions/Pet"
+      responses:
+        405:
+          description: "Invalid input"
+      security:
+      - petstore_auth:
+        - "write:pets"
+        - "read:pets"
+    put:
+      tags:
+      - "pet"
+      summary: "Update an existing pet"
+      description: ""
+      operationId: "updatePet"
+      consumes:
+      - "application/json"
+      - "application/xml"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - in: "body"
+        name: "body"
+        description: "Pet object that needs to be added to the store"
+        required: true
+        schema:
+          $ref: "#/definitions/Pet"
+      responses:
+        400:
+          description: "Invalid ID supplied"
+        404:
+          description: "Pet not found"
+        405:
+          description: "Validation exception"
+      security:
+      - petstore_auth:
+        - "write:pets"
+        - "read:pets"
+  /pet/findByStatus:
+    get:
+      tags:
+      - "pet"
+      summary: "Finds Pets by status"
+      description: "Multiple status values can be provided with comma separated strings"
+      operationId: "findPetsByStatus"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "status"
+        in: "query"
+        description: "Status values that need to be considered for filter"
+        required: true
+        type: "array"
+        items:
+          type: "string"
+          enum:
+          - "available"
+          - "pending"
+          - "sold"
+          default: "available"
+        collectionFormat: "csv"
+      responses:
+        200:
+          description: "successful operation"
+          schema:
+            type: "array"
+            items:
+              $ref: "#/definitions/Pet"
+        400:
+          description: "Invalid status value"
+      security:
+      - petstore_auth:
+        - "write:pets"
+        - "read:pets"
+  /pet/findByTags:
+    get:
+      tags:
+      - "pet"
+      summary: "Finds Pets by tags"
+      description: "Multiple tags can be provided with comma separated strings. Use\
+        \ tag1, tag2, tag3 for testing."
+      operationId: "findPetsByTags"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "tags"
+        in: "query"
+        description: "Tags to filter by"
+        required: true
+        type: "array"
+        items:
+          type: "string"
+        collectionFormat: "csv"
+      responses:
+        200:
+          description: "successful operation"
+          schema:
+            type: "array"
+            items:
+              $ref: "#/definitions/Pet"
+        400:
+          description: "Invalid tag value"
+      security:
+      - petstore_auth:
+        - "write:pets"
+        - "read:pets"
+  /pet/{petId}:
+    get:
+      tags:
+      - "pet"
+      summary: "Find pet by ID"
+      description: "Returns a single pet"
+      operationId: "getPetById"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "petId"
+        in: "path"
+        description: "ID of pet to return"
+        required: true
+        type: "integer"
+        format: "int64"
+      responses:
+        200:
+          description: "successful operation"
+          schema:
+            $ref: "#/definitions/Pet"
+        400:
+          description: "Invalid ID supplied"
+        404:
+          description: "Pet not found"
+      security:
+      - api_key: []
+    post:
+      tags:
+      - "pet"
+      summary: "Updates a pet in the store with form data"
+      description: ""
+      operationId: "updatePetWithForm"
+      consumes:
+      - "application/x-www-form-urlencoded"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "petId"
+        in: "path"
+        description: "ID of pet that needs to be updated"
+        required: true
+        type: "integer"
+        format: "int64"
+      - name: "name"
+        in: "formData"
+        description: "Updated name of the pet"
+        required: false
+        type: "string"
+      - name: "status"
+        in: "formData"
+        description: "Updated status of the pet"
+        required: false
+        type: "string"
+      responses:
+        405:
+          description: "Invalid input"
+      security:
+      - petstore_auth:
+        - "write:pets"
+        - "read:pets"
+    delete:
+      tags:
+      - "pet"
+      summary: "Deletes a pet"
+      description: ""
+      operationId: "deletePet"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "api_key"
+        in: "header"
+        required: false
+        type: "string"
+      - name: "petId"
+        in: "path"
+        description: "Pet id to delete"
+        required: true
+        type: "integer"
+        format: "int64"
+      responses:
+        400:
+          description: "Invalid pet value"
+      security:
+      - petstore_auth:
+        - "write:pets"
+        - "read:pets"
+  /pet/{petId}/uploadImage:
+    post:
+      tags:
+      - "pet"
+      summary: "uploads an image"
+      description: ""
+      operationId: "uploadFile"
+      consumes:
+      - "multipart/form-data"
+      produces:
+      - "application/json"
+      parameters:
+      - name: "petId"
+        in: "path"
+        description: "ID of pet to update"
+        required: true
+        type: "integer"
+        format: "int64"
+      - name: "additionalMetadata"
+        in: "formData"
+        description: "Additional data to pass to server"
+        required: false
+        type: "string"
+      - name: "file"
+        in: "formData"
+        description: "file to upload"
+        required: false
+        type: "file"
+      responses:
+        200:
+          description: "successful operation"
+          schema:
+            $ref: "#/definitions/ApiResponse"
+      security:
+      - petstore_auth:
+        - "write:pets"
+        - "read:pets"
+  /store/inventory:
+    get:
+      tags:
+      - "store"
+      summary: "Returns pet inventories by status"
+      description: "Returns a map of status codes to quantities"
+      operationId: "getInventory"
+      produces:
+      - "application/json"
+      parameters: []
+      responses:
+        200:
+          description: "successful operation"
+          schema:
+            type: "object"
+            additionalProperties:
+              type: "integer"
+              format: "int32"
+      security:
+      - api_key: []
+  /store/order:
+    post:
+      tags:
+      - "store"
+      summary: "Place an order for a pet"
+      description: ""
+      operationId: "placeOrder"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - in: "body"
+        name: "body"
+        description: "order placed for purchasing the pet"
+        required: true
+        schema:
+          $ref: "#/definitions/Order"
+      responses:
+        200:
+          description: "successful operation"
+          schema:
+            $ref: "#/definitions/Order"
+        400:
+          description: "Invalid Order"
+  /store/order/{orderId}:
+    get:
+      tags:
+      - "store"
+      summary: "Find purchase order by ID"
+      description: "For valid response try integer IDs with value <= 5 or > 10. Other\
+        \ values will generated exceptions"
+      operationId: "getOrderById"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "orderId"
+        in: "path"
+        description: "ID of pet that needs to be fetched"
+        required: true
+        type: "integer"
+        maximum: 5.0
+        minimum: 1.0
+        format: "int64"
+      responses:
+        200:
+          description: "successful operation"
+          schema:
+            $ref: "#/definitions/Order"
+        400:
+          description: "Invalid ID supplied"
+        404:
+          description: "Order not found"
+    delete:
+      tags:
+      - "store"
+      summary: "Delete purchase order by ID"
+      description: "For valid response try integer IDs with value < 1000. Anything\
+        \ above 1000 or nonintegers will generate API errors"
+      operationId: "deleteOrder"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "orderId"
+        in: "path"
+        description: "ID of the order that needs to be deleted"
+        required: true
+        type: "string"
+        minimum: 1.0
+      responses:
+        400:
+          description: "Invalid ID supplied"
+        404:
+          description: "Order not found"
+  /user:
+    post:
+      tags:
+      - "user"
+      summary: "Create user"
+      description: "This can only be done by the logged in user."
+      operationId: "createUser"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - in: "body"
+        name: "body"
+        description: "Created user object"
+        required: true
+        schema:
+          $ref: "#/definitions/User"
+      responses:
+        default:
+          description: "successful operation"
+  /user/createWithArray:
+    post:
+      tags:
+      - "user"
+      summary: "Creates list of users with given input array"
+      description: ""
+      operationId: "createUsersWithArrayInput"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - in: "body"
+        name: "body"
+        description: "List of user object"
+        required: true
+        schema:
+          type: "array"
+          items:
+            $ref: "#/definitions/User"
+      responses:
+        default:
+          description: "successful operation"
+  /user/createWithList:
+    post:
+      tags:
+      - "user"
+      summary: "Creates list of users with given input array"
+      description: ""
+      operationId: "createUsersWithListInput"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - in: "body"
+        name: "body"
+        description: "List of user object"
+        required: true
+        schema:
+          type: "array"
+          items:
+            $ref: "#/definitions/User"
+      responses:
+        default:
+          description: "successful operation"
+  /user/login:
+    get:
+      tags:
+      - "user"
+      summary: "Logs user into the system"
+      description: ""
+      operationId: "loginUser"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "username"
+        in: "query"
+        description: "The user name for login"
+        required: true
+        type: "string"
+      - name: "password"
+        in: "query"
+        description: "The password for login in clear text"
+        required: true
+        type: "string"
+      responses:
+        200:
+          description: "successful operation"
+          schema:
+            type: "string"
+          headers:
+            X-Rate-Limit:
+              type: "integer"
+              format: "int32"
+              description: "calls per hour allowed by the user"
+            X-Expires-After:
+              type: "string"
+              format: "date-time"
+              description: "date in UTC when toekn expires"
+        400:
+          description: "Invalid username/password supplied"
+  /user/logout:
+    get:
+      tags:
+      - "user"
+      summary: "Logs out current logged in user session"
+      description: ""
+      operationId: "logoutUser"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters: []
+      responses:
+        default:
+          description: "successful operation"
+  /user/{username}:
+    get:
+      tags:
+      - "user"
+      summary: "Get user by user name"
+      description: ""
+      operationId: "getUserByName"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "username"
+        in: "path"
+        description: "The name that needs to be fetched. Use user1 for testing. "
+        required: true
+        type: "string"
+      responses:
+        200:
+          description: "successful operation"
+          schema:
+            $ref: "#/definitions/User"
+        400:
+          description: "Invalid username supplied"
+        404:
+          description: "User not found"
+    put:
+      tags:
+      - "user"
+      summary: "Updated user"
+      description: "This can only be done by the logged in user."
+      operationId: "updateUser"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "username"
+        in: "path"
+        description: "name that need to be deleted"
+        required: true
+        type: "string"
+      - in: "body"
+        name: "body"
+        description: "Updated user object"
+        required: true
+        schema:
+          $ref: "#/definitions/User"
+      responses:
+        400:
+          description: "Invalid user supplied"
+        404:
+          description: "User not found"
+    delete:
+      tags:
+      - "user"
+      summary: "Delete user"
+      description: "This can only be done by the logged in user."
+      operationId: "deleteUser"
+      produces:
+      - "application/xml"
+      - "application/json"
+      parameters:
+      - name: "username"
+        in: "path"
+        description: "The name that needs to be deleted"
+        required: true
+        type: "string"
+      responses:
+        400:
+          description: "Invalid username supplied"
+        404:
+          description: "User not found"
+securityDefinitions:
+  petstore_auth:
+    type: "oauth2"
+    authorizationUrl: "http://petstore.swagger.io/api/oauth/dialog"
+    flow: "implicit"
+    scopes:
+      write:pets: "modify pets in your account"
+      read:pets: "read your pets"
+  api_key:
+    type: "apiKey"
+    name: "api_key"
+    in: "header"
+definitions:
+  Order:
+    type: "object"
+    properties:
+      id:
+        type: "integer"
+        format: "int64"
+      petId:
+        type: "integer"
+        format: "int64"
+      quantity:
+        type: "integer"
+        format: "int32"
+      shipDate:
+        type: "string"
+        format: "date-time"
+      status:
+        type: "string"
+        description: "Order Status"
+        enum:
+        - "placed"
+        - "approved"
+        - "delivered"
+      complete:
+        type: "boolean"
+        default: false
+    xml:
+      name: "Order"
+  Category:
+    type: "object"
+    properties:
+      id:
+        type: "integer"
+        format: "int64"
+      name:
+        type: "string"
+    xml:
+      name: "Category"
+  User:
+    type: "object"
+    properties:
+      id:
+        type: "integer"
+        format: "int64"
+      username:
+        type: "string"
+      firstName:
+        type: "string"
+      lastName:
+        type: "string"
+      email:
+        type: "string"
+      password:
+        type: "string"
+      phone:
+        type: "string"
+      userStatus:
+        type: "integer"
+        format: "int32"
+        description: "User Status"
+    xml:
+      name: "User"
+  Tag:
+    type: "object"
+    properties:
+      id:
+        type: "integer"
+        format: "int64"
+      name:
+        type: "string"
+    xml:
+      name: "Tag"
+  Pet:
+    type: "object"
+    required:
+    - "name"
+    - "photoUrls"
+    properties:
+      id:
+        type: "integer"
+        format: "int64"
+      category:
+        $ref: "#/definitions/Category"
+      name:
+        type: "string"
+        example: "doggie"
+      photoUrls:
+        type: "array"
+        xml:
+          name: "photoUrl"
+          wrapped: true
+        items:
+          type: "string"
+      tags:
+        type: "array"
+        xml:
+          name: "tag"
+          wrapped: true
+        items:
+          $ref: "#/definitions/Tag"
+      status:
+        type: "string"
+        description: "pet status in the store"
+        enum:
+        - "available"
+        - "pending"
+        - "sold"
+    xml:
+      name: "Pet"
+  ApiResponse:
+    type: "object"
+    properties:
+      code:
+        type: "integer"
+        format: "int32"
+      type:
+        type: "string"
+      message:
+        type: "string"
+externalDocs:
+  description: "Find out more about Swagger"
+  url: "http://swagger.io"

modules/openapi-generator-maven-plugin/src/main/java/org/openapitools/codegen/plugin/CodeGenMojo.java

@@ -37,6 +37,9 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import com.google.common.io.ByteSource;
+import com.google.common.io.CharSource;
+import io.swagger.v3.parser.util.ClasspathHelper;
 import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
@@ -163,6 +166,12 @@ public class CodeGenMojo extends AbstractMojo {
     @Parameter(name = "invokerPackage")
     private String invokerPackage;
 
+    /**
+     * The default package to use for the generated objects
+     */
+    @Parameter(name = "packageName")
+    private String packageName;
+
     /**
      * groupId in generated pom.xml
      */
@@ -507,6 +516,10 @@ public class CodeGenMojo extends AbstractMojo {
                 configurator.setInvokerPackage(invokerPackage);
             }
 
+            if (isNotEmpty(packageName)) {
+                configurator.setPackageName(packageName);
+            }
+
             if (isNotEmpty(groupId)) {
                 configurator.setGroupId(groupId);
             }
@@ -672,7 +685,12 @@ public class CodeGenMojo extends AbstractMojo {
 
             // Store a checksum of the input spec
             File storedInputSpecHashFile = getHashFile(inputSpecFile);
-            String inputSpecHash = Files.asByteSource(inputSpecFile).hash(Hashing.sha256()).toString();
+            ByteSource inputSpecByteSource =
+                inputSpecFile.exists()
+                    ? Files.asByteSource(inputSpecFile)
+                    : CharSource.wrap(ClasspathHelper.loadFileFromClasspath(inputSpecFile.toString().replaceAll("\\\\","/")))
+                        .asByteSource(Charsets.UTF_8);
+            String  inputSpecHash =inputSpecByteSource.hash(Hashing.sha256()).toString();
 
             if (storedInputSpecHashFile.getParent() != null && !new File(storedInputSpecHashFile.getParent()).exists()) {
                 File parent = new File(storedInputSpecHashFile.getParent());

modules/openapi-generator/src/main/java/org/openapitools/codegen/AbstractGenerator.java

@@ -17,6 +17,10 @@
 
 package org.openapitools.codegen;
 
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+import java.util.Arrays;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -28,23 +32,78 @@ import java.util.regex.Pattern;
 
 public abstract class AbstractGenerator {
     private static final Logger LOGGER = LoggerFactory.getLogger(AbstractGenerator.class);
+    
+    /**
+     * Is the minimal-file-update option enabled?
+     * 
+     * @return Option value
+     */
+    public abstract boolean getEnableMinimalUpdate();
 
-    @SuppressWarnings("static-method")
+    /**
+     * Write String to a file, formatting as UTF-8
+     * 
+     * @param filename The name of file to write
+     * @param contents The contents string.
+     * @return File representing the written file.
+     * @throws IOException If file cannot be written.
+     */
     public File writeToFile(String filename, String contents) throws IOException {
-        LOGGER.info("writing file " + filename);
+        return writeToFile(filename, contents.getBytes(Charset.forName("UTF-8")));
+    }
 
+    /**
+     * Write bytes to a file
+     * 
+     * @param filename The name of file to write
+     * @param contents The contents bytes.  Typically this is a UTF-8 formatted string.
+     * @return File representing the written file.
+     * @throws IOException If file cannot be written.
+     */
+    @SuppressWarnings("static-method")
+    public File writeToFile(String filename, byte contents[]) throws IOException {
+        if (getEnableMinimalUpdate()) {
+            String tempFilename = filename + ".tmp";
+            // Use Paths.get here to normalize path (for Windows file separator, space escaping on Linux/Mac, etc)
+            File outputFile = Paths.get(filename).toFile();
+            File tempFile = null;
+            try {
+                tempFile = writeToFileRaw(tempFilename, contents);
+                if (!filesEqual(tempFile, outputFile)) {
+                    LOGGER.info("writing file " + filename);
+                    Files.move(tempFile.toPath(), outputFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
+                    tempFile = null;
+                } else {
+                    LOGGER.info("skipping unchanged file " + filename);
+                }
+            } finally {
+                if (tempFile != null && tempFile.exists()) {
+                    try {
+                        tempFile.delete();
+                    } catch (Exception ex) {
+                        LOGGER.error("Error removing temporary file " + tempFile, ex);
+                    }
+                }
+            }
+            return outputFile;
+        } else {
+            LOGGER.info("writing file " + filename);
+            return writeToFileRaw(filename, contents);
+        }
+    }
+
+    private boolean filesEqual(File file1, File file2) throws IOException {
+        return file1.exists() && file2.exists() && Arrays.equals(Files.readAllBytes(file1.toPath()), Files.readAllBytes(file2.toPath()));
+    }
+    
+    private File writeToFileRaw(String filename, byte[] contents) throws IOException {
         // Use Paths.get here to normalize path (for Windows file separator, space escaping on Linux/Mac, etc)
         File output = Paths.get(filename).toFile();
-
         if (output.getParent() != null && !new File(output.getParent()).exists()) {
-            File parent = new File(output.getParent());
+            File parent = Paths.get(output.getParent()).toFile();
             parent.mkdirs();
         }
-
-        try (Writer out = new BufferedWriter(new OutputStreamWriter(
-                new FileOutputStream(output), "UTF-8"))) {
-            out.write(contents);
-        }
+        Files.write(output.toPath(), contents);
         return output;
     }
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenConfig.java

@@ -260,4 +260,8 @@ public interface CodegenConfig {
      */
     void setOpenAPI(OpenAPI openAPI);
 
+    public boolean isEnableMinimalUpdate();
+
+    public void setEnableMinimalUpdate(boolean isEnableMinimalUpdate);
+
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenProperty.java

@@ -20,7 +20,7 @@ package org.openapitools.codegen;
 import java.util.*;
 
 public class CodegenProperty implements Cloneable {
-    public String baseName, complexType, getter, setter, description, dataType,
+    public String openApiType, baseName, complexType, getter, setter, description, dataType,
             datatypeWithEnum, dataFormat, name, min, max, defaultValue, defaultValueWithParam,
             baseType, containerType, title;
 
@@ -415,6 +415,7 @@ public class CodegenProperty implements Cloneable {
         return Objects.hash(
             _enum,
             allowableValues,
+            openApiType,
             baseName,
             baseType,
             complexType,
@@ -501,6 +502,7 @@ public class CodegenProperty implements Cloneable {
         final CodegenProperty other = (CodegenProperty) obj;
 
         return Objects.equals(baseName, other.baseName) &&
+            Objects.equals(openApiType, other.openApiType) &&
             Objects.equals(complexType, other.complexType) &&
             Objects.equals(getter, other.getter) &&
             Objects.equals(setter, other.setter) &&
@@ -600,6 +602,7 @@ public class CodegenProperty implements Cloneable {
     public java.lang.String toString() {
         return "CodegenProperty{" +
                 "baseName='" + baseName + '\'' +
+                ", openApiType='" + openApiType + '\'' +
                 ", complexType='" + complexType + '\'' +
                 ", getter='" + getter + '\'' +
                 ", setter='" + setter + '\'' +

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java

@@ -111,6 +111,8 @@ public class DefaultCodegen implements CodegenConfig {
     protected String ignoreFilePathOverride;
     // flag to indicate whether to use environment variable to post process file
     protected boolean enablePostProcessFile = false;
+    // flag to indicate whether to only update files whose contents have changed
+    protected boolean enableMinimalUpdate = false;
 
     // make openapi available to all methods
     protected OpenAPI openAPI;
@@ -778,7 +780,7 @@ public class DefaultCodegen implements CodegenConfig {
      * @return the file name of the model
      */
     public String toModelFilename(String name) {
-        return initialCaps(name);
+        return camelize(name);
     }
 
     /**
@@ -788,7 +790,7 @@ public class DefaultCodegen implements CodegenConfig {
      * @return the file name of the model
      */
     public String toModelTestFilename(String name) {
-        return initialCaps(name) + "Test";
+        return camelize(name) + "Test";
     }
 
     /**
@@ -798,7 +800,7 @@ public class DefaultCodegen implements CodegenConfig {
      * @return the file name of the model
      */
     public String toModelDocFilename(String name) {
-        return initialCaps(name);
+        return camelize(name);
     }
 
     /**
@@ -1474,17 +1476,6 @@ public class DefaultCodegen implements CodegenConfig {
         return (name.length() > 0) ? (Character.toLowerCase(name.charAt(0)) + name.substring(1)) : "";
     }
 
-    /**
-     * Capitalize the string. Please use org.openapitools.codegen.utils.StringUtils.camelize instead as this method will be deprecated.
-     *
-     * @param name string to be capitalized
-     * @return capitalized string
-     * @deprecated use {@link org.openapitools.codegen.utils.StringUtils#camelize(String)} instead
-     */
-    @SuppressWarnings("static-method")
-    public String initialCaps(String name) {
-        return camelize(name);
-    }
 
     /**
      * Output the type declaration of a given name
@@ -1574,7 +1565,7 @@ public class DefaultCodegen implements CodegenConfig {
         if (name.length() == 0) {
             return "DefaultApi";
         }
-        return initialCaps(name) + "Api";
+        return camelize(name) + "Api";
     }
 
     /**
@@ -1585,7 +1576,7 @@ public class DefaultCodegen implements CodegenConfig {
      * @return capitalized model name
      */
     public String toModelName(final String name) {
-        return initialCaps(modelNamePrefix + "_" + name + "_" + modelNameSuffix);
+        return camelize(modelNamePrefix + "_" + name + "_" + modelNameSuffix);
     }
 
     /**
@@ -1898,6 +1889,11 @@ public class DefaultCodegen implements CodegenConfig {
         CodegenProperty property = CodegenModelFactory.newInstance(CodegenModelType.PROPERTY);
         property.name = toVarName(name);
         property.baseName = name;
+        if (p.getType() == null) {
+            property.openApiType = getSchemaType(p);
+        } else {
+            property.openApiType = p.getType();
+        }
         property.nameInCamelCase = camelize(property.name, false);
         property.nameInSnakeCase = CaseFormat.UPPER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, property.nameInCamelCase);
         property.description = escapeText(p.getDescription());
@@ -3257,7 +3253,7 @@ public class DefaultCodegen implements CodegenConfig {
                     if (builder.toString().length() == 0) {
                         part = Character.toLowerCase(part.charAt(0)) + part.substring(1);
                     } else {
-                        part = initialCaps(part);
+                        part = camelize(part);
                     }
                     builder.append(part);
                 }
@@ -3854,6 +3850,11 @@ public class DefaultCodegen implements CodegenConfig {
         // input name and age => input_name_and_age
         name = name.replaceAll(" ", "_");
 
+        // /api/films/get => _api_films_get
+        // \api\films\get => _api_films_get
+        name = name.replaceAll("/", "_");
+        name = name.replaceAll("\\\\", "_");
+
         // remove everything else other than word, number and _
         // $php_variable => php_variable
         if (allowUnicodeIdentifiers) { //could be converted to a single line with ?: operator
@@ -4834,4 +4835,22 @@ public class DefaultCodegen implements CodegenConfig {
         this.enablePostProcessFile = enablePostProcessFile;
     }
 
+    /**
+     * Get the boolean value indicating the state of the option for updating only changed files
+     */
+    @Override
+    public boolean isEnableMinimalUpdate() {
+        return enableMinimalUpdate;
+    }
+
+    /**
+     * Set the boolean value indicating the state of the option for updating only changed files
+     *
+     * @param enableMinimalUpdate    true to enable minimal update
+     */
+    @Override
+    public void setEnableMinimalUpdate(boolean enableMinimalUpdate) {
+        this.enableMinimalUpdate = enableMinimalUpdate;
+    }
+
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultGenerator.java

@@ -67,6 +67,11 @@ public class DefaultGenerator extends AbstractGenerator implements Generator {
     private String contextPath;
     private Map<String, String> generatorPropertyDefaults = new HashMap<>();
 
+    @Override
+    public boolean getEnableMinimalUpdate() {
+        return config.isEnableMinimalUpdate();
+    }
+
     @Override
     public Generator opts(ClientOptInput opts) {
         this.opts = opts;
@@ -797,16 +802,13 @@ public class DefaultGenerator extends AbstractGenerator implements Generator {
     }
 
     protected File writeInputStreamToFile(String filename, InputStream in, String templateFile) throws FileNotFoundException, IOException {
-        File outputFile = java.nio.file.Paths.get(filename).toFile();
         if (in != null) {
-            OutputStream out = new FileOutputStream(outputFile, false);
-            LOGGER.info("writing file " + outputFile);
-            IOUtils.copy(in, out);
-            out.close();
+            byte bytes[] = IOUtils.toByteArray(in);
+            return writeToFile(filename, bytes);
         } else {
             LOGGER.error("can't open '" + templateFile + "' for input; cannot write '" + filename + "'");
+            return null;
         }
-        return outputFile;
     }
 
     private Map<String, Object> buildSupportFileBundle(List<Object> allOperations, List<Object> allModels) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/config/CodegenConfigurator.java

@@ -101,11 +101,13 @@ public class CodegenConfigurator implements Serializable {
     private boolean logToStderr;
     private boolean validateSpec;
     private boolean enablePostProcessFile;
+    private boolean enableMinimalUpdate;
     private String templateDir;
     private String auth;
     private String apiPackage;
     private String modelPackage;
     private String invokerPackage;
+    private String packageName;
     private String modelNamePrefix;
     private String modelNameSuffix;
     private String groupId;
@@ -239,6 +241,15 @@ public class CodegenConfigurator implements Serializable {
         return this;
     }
 
+    public boolean getEnableMinimalUpdate() {
+        return enableMinimalUpdate;
+    }
+
+    public CodegenConfigurator setEnableMinimalUpdate(boolean enableMinimalUpdate) {
+        this.enableMinimalUpdate = enableMinimalUpdate;
+        return this;
+    }
+
     public boolean isGenerateAliasAsModel() {
         return ModelUtils.isGenerateAliasAsModel();
     }
@@ -349,6 +360,15 @@ public class CodegenConfigurator implements Serializable {
         return this;
     }
 
+    public String getPackageName() {
+        return packageName;
+    }
+
+    public CodegenConfigurator setPackageName(String packageName) {
+        this.packageName = packageName;
+        return this;
+    }
+
     public String getGroupId() {
         return groupId;
     }
@@ -545,6 +565,7 @@ public class CodegenConfigurator implements Serializable {
         config.setIgnoreFilePathOverride(ignoreFileOverride);
         config.setRemoveOperationIdPrefix(removeOperationIdPrefix);
         config.setEnablePostProcessFile(enablePostProcessFile);
+        config.setEnableMinimalUpdate(enableMinimalUpdate);
 
         config.instantiationTypes().putAll(instantiationTypes);
         config.typeMapping().putAll(typeMappings);
@@ -555,6 +576,7 @@ public class CodegenConfigurator implements Serializable {
         checkAndSetAdditionalProperty(apiPackage, CodegenConstants.API_PACKAGE);
         checkAndSetAdditionalProperty(modelPackage, CodegenConstants.MODEL_PACKAGE);
         checkAndSetAdditionalProperty(invokerPackage, CodegenConstants.INVOKER_PACKAGE);
+        checkAndSetAdditionalProperty(packageName, CodegenConstants.PACKAGE_NAME);
         checkAndSetAdditionalProperty(groupId, CodegenConstants.GROUP_ID);
         checkAndSetAdditionalProperty(artifactId, CodegenConstants.ARTIFACT_ID);
         checkAndSetAdditionalProperty(artifactVersion, CodegenConstants.ARTIFACT_VERSION);

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractGoCodegen.java

@@ -112,7 +112,8 @@ public abstract class AbstractGoCodegen extends DefaultCodegen implements Codege
         cliOptions.clear();
         cliOptions.add(new CliOption(CodegenConstants.PACKAGE_NAME, "Go package name (convention: lowercase).")
                 .defaultValue("openapi"));
-
+        cliOptions.add(new CliOption(CodegenConstants.PACKAGE_VERSION, "Go package version.")
+                .defaultValue("1.0.0"));
         cliOptions.add(new CliOption(CodegenConstants.HIDE_GENERATION_TIMESTAMP, CodegenConstants.HIDE_GENERATION_TIMESTAMP_DESC)
                 .defaultValue(Boolean.TRUE.toString()));
     }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java

@@ -360,7 +360,7 @@ public abstract class AbstractKotlinCodegen extends DefaultCodegen implements Co
         }
 
         if (additionalProperties.containsKey(CodegenConstants.PARCELIZE_MODELS)) {
-            this.setParcelizeModels(Boolean.valueOf((String)additionalProperties.get(CodegenConstants.PARCELIZE_MODELS)));
+            this.setParcelizeModels(Boolean.valueOf((String) additionalProperties.get(CodegenConstants.PARCELIZE_MODELS)));
             LOGGER.info(CodegenConstants.PARCELIZE_MODELS + " depends on the android framework and " +
                     "experimental parcelize feature. Make sure your build applies the android plugin:\n" +
                     "apply plugin: 'com.android.library' OR apply plugin: 'com.android.application'.\n" +
@@ -597,10 +597,7 @@ public abstract class AbstractKotlinCodegen extends DefaultCodegen implements Co
     private String sanitizeKotlinSpecificNames(final String name) {
         String word = name;
         for (Map.Entry<String, String> specialCharacters : specialCharReplacements.entrySet()) {
-            // Underscore is the only special character we'll allow
-            if (!specialCharacters.getKey().equals("_")) {
-                word = word.replaceAll("\\Q" + specialCharacters.getKey() + "\\E", specialCharacters.getValue());
-            }
+            word = replaceSpecialCharacters(word, specialCharacters);
         }
 
         // Fallback, replace unknowns with underscore.
@@ -617,6 +614,38 @@ public abstract class AbstractKotlinCodegen extends DefaultCodegen implements Co
         return word;
     }
 
+    private String replaceSpecialCharacters(String word, Map.Entry<String, String> specialCharacters) {
+        String specialChar = specialCharacters.getKey();
+        String replacementChar = specialCharacters.getValue();
+        // Underscore is the only special character we'll allow
+        if (!specialChar.equals("_") && word.contains(specialChar)) {
+            return replaceCharacters(word, specialChar, replacementChar);
+        }
+        return word;
+    }
+
+    private String replaceCharacters(String word, String oldValue, String newValue) {
+        if (!word.contains(oldValue)) {
+            return word;
+        }
+        if (word.equals(oldValue)) {
+            return newValue;
+        }
+        int i = word.indexOf(oldValue);
+        String start = word.substring(0, i);
+        String end = recurseOnEndOfWord(word, oldValue, newValue, i);
+        return start + newValue + end;
+    }
+
+    private String recurseOnEndOfWord(String word, String oldValue, String newValue, int lastReplacedValue) {
+        String end = word.substring(lastReplacedValue + 1);
+        if (!end.isEmpty()) {
+            end = titleCase(end);
+            end = replaceCharacters(end, oldValue, newValue);
+        }
+        return end;
+    }
+
     private String titleCase(final String input) {
         return input.substring(0, 1).toUpperCase(Locale.ROOT) + input.substring(1);
     }
@@ -676,6 +705,7 @@ public abstract class AbstractKotlinCodegen extends DefaultCodegen implements Co
     @Override
     public String toVarName(String name) {
         // sanitize name
+        name = sanitizeKotlinSpecificNames(name);
         name = sanitizeName(name, "\\W-[\\$]");
 
         if (name.toLowerCase(Locale.ROOT).matches("^_*class$")) {
@@ -756,4 +786,31 @@ public abstract class AbstractKotlinCodegen extends DefaultCodegen implements Co
             }
         }
     }
+
+    @Override
+    public String toDefaultValue(Schema p) {
+        if (ModelUtils.isBooleanSchema(p)) {
+            if (p.getDefault() != null) {
+                return p.getDefault().toString();
+            }
+        } else if (ModelUtils.isDateSchema(p)) {
+            // TODO
+        } else if (ModelUtils.isDateTimeSchema(p)) {
+            // TODO
+        } else if (ModelUtils.isNumberSchema(p)) {
+            if (p.getDefault() != null) {
+                return p.getDefault().toString();
+            }
+        } else if (ModelUtils.isIntegerSchema(p)) {
+            if (p.getDefault() != null) {
+                return p.getDefault().toString();
+            }
+        } else if (ModelUtils.isStringSchema(p)) {
+            if (p.getDefault() != null) {
+                return "'" + p.getDefault() + "'";
+            }
+        }
+
+        return null;
+    }
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractScalaCodegen.java

@@ -333,4 +333,29 @@ public abstract class AbstractScalaCodegen extends DefaultCodegen {
         }
     }
 
+    @Override
+    public String toOperationId(String operationId) {
+        // throw exception if method name is empty
+        if (StringUtils.isEmpty(operationId)) {
+            throw new RuntimeException("Empty method/operation name (operationId) not allowed");
+        }
+
+        operationId = camelize(sanitizeName(operationId), true);
+
+        // method name cannot use reserved keyword, e.g. return
+        if (isReservedWord(operationId)) {
+            String newOperationId = camelize("call_" + operationId, true);
+            LOGGER.warn(operationId + " (reserved word) cannot be used as method name. Renamed to " + newOperationId);
+            return newOperationId;
+        }
+
+        // operationId starts with a number
+        if (operationId.matches("^\\d.*")) {
+            LOGGER.warn(operationId + " (starting with a number) cannot be used as method sname. Renamed to " + camelize("call_" + operationId), true);
+            operationId = camelize("call_" + operationId, true);
+        }
+
+        return operationId;
+    }
+
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AspNetCoreServerCodegen.java

@@ -19,6 +19,7 @@ package org.openapitools.codegen.languages;
 
 import com.samskivert.mustache.Mustache;
 import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.media.Schema;
 import org.openapitools.codegen.CodegenConstants;
 import org.openapitools.codegen.CodegenOperation;
 import org.openapitools.codegen.CodegenType;
@@ -82,6 +83,18 @@ public class AspNetCoreServerCodegen extends AbstractCSharpCodegen {
 
         cliOptions.clear();
 
+        typeMapping.put("boolean", "bool");
+        typeMapping.put("integer", "int");
+        typeMapping.put("float", "float");
+        typeMapping.put("long", "long");
+        typeMapping.put("double", "double");
+        typeMapping.put("number", "decimal");
+        typeMapping.put("DateTime", "DateTime");
+        typeMapping.put("date", "DateTime");
+        typeMapping.put("UUID", "Guid");
+
+        setSupportNullable(Boolean.TRUE);
+
         // CLI options
         addOption(CodegenConstants.LICENSE_URL,
                 CodegenConstants.LICENSE_URL_DESC,
@@ -375,4 +388,17 @@ public class AspNetCoreServerCodegen extends AbstractCSharpCodegen {
     public String toRegularExpression(String pattern) {
         return escapeText(pattern);
     }
+    
+    @Override
+    public String getNullableType(Schema p, String type) {
+        boolean isNullableExpected = p.getNullable() == null || (p.getNullable() != null && p.getNullable());
+
+        if (isNullableExpected && languageSpecificPrimitives.contains(type + "?")) {
+            return type + "?";
+        } else if (languageSpecificPrimitives.contains(type)) {
+            return type;
+        } else {
+            return null;
+        }
+    }
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/BashClientCodegen.java

@@ -35,6 +35,8 @@ import org.slf4j.LoggerFactory;
 
 import java.util.*;
 
+import static org.openapitools.codegen.utils.StringUtils.*;
+
 public class BashClientCodegen extends DefaultCodegen implements CodegenConfig {
     private static final Logger LOGGER = LoggerFactory.getLogger(BashClientCodegen.class);
 
@@ -743,7 +745,7 @@ public class BashClientCodegen extends DefaultCodegen implements CodegenConfig {
 
     @Override
     public String toModelFilename(String name) {
-        return initialCaps(name);
+        return camelize(name);
     }
 
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CSharpClientCodegen.java

@@ -86,6 +86,18 @@ public class CSharpClientCodegen extends AbstractCSharpCodegen {
 
         cliOptions.clear();
 
+        typeMapping.put("boolean", "bool");
+        typeMapping.put("integer", "int");
+        typeMapping.put("float", "float");
+        typeMapping.put("long", "long");
+        typeMapping.put("double", "double");
+        typeMapping.put("number", "decimal");
+        typeMapping.put("DateTime", "DateTime");
+        typeMapping.put("date", "DateTime");
+        typeMapping.put("UUID", "Guid");
+
+        setSupportNullable(Boolean.TRUE);
+
         // CLI options
         addOption(CodegenConstants.PACKAGE_NAME,
                 "C# package name (convention: Title.Case).",
@@ -862,4 +874,18 @@ public class CSharpClientCodegen extends AbstractCSharpCodegen {
             return null;
         }
     }
+    
+    @Override
+    public String getNullableType(Schema p, String type) {
+        boolean isNullableExpected = p.getNullable() == null || (p.getNullable() != null && p.getNullable());
+
+        if (isNullableExpected && languageSpecificPrimitives.contains(type + "?")) {
+            return type + "?";
+        } else if (languageSpecificPrimitives.contains(type)) {
+            return type;
+        } else {
+            return null;
+        }
+    }
+
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CppPistacheServerCodegen.java

@@ -29,7 +29,7 @@ import org.openapitools.codegen.utils.ModelUtils;
 import java.io.File;
 import java.util.*;
 
-import static org.openapitools.codegen.utils.StringUtils.underscore;
+import static org.openapitools.codegen.utils.StringUtils.*;
 
 public class CppPistacheServerCodegen extends AbstractCppCodegen {
     protected String implFolder = "impl";
@@ -265,7 +265,7 @@ public class CppPistacheServerCodegen extends AbstractCppCodegen {
 
     @Override
     public String toModelFilename(String name) {
-        return initialCaps(toModelName(name));
+        return camelize(toModelName(name));
     }
 
     @Override
@@ -286,7 +286,7 @@ public class CppPistacheServerCodegen extends AbstractCppCodegen {
 
     @Override
     public String toApiFilename(String name) {
-        return  modelNamePrefix + initialCaps(name) + "Api";
+        return  modelNamePrefix + camelize(name) + "Api";
     }
 
     /**

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CppQt5AbstractCodegen.java

@@ -5,6 +5,7 @@ import io.swagger.v3.oas.models.media.Schema;
 import io.swagger.v3.parser.util.SchemaTypeUtil;
 import org.apache.commons.lang3.StringUtils;
 import org.openapitools.codegen.CodegenConfig;
+import org.openapitools.codegen.CodegenModel;
 import org.openapitools.codegen.CodegenOperation;
 import org.openapitools.codegen.CodegenParameter;
 import org.openapitools.codegen.utils.ModelUtils;
@@ -280,7 +281,19 @@ public class CppQt5AbstractCodegen extends AbstractCppCodegen implements Codegen
         List<CodegenOperation> operations = (List<CodegenOperation>) objectMap.get("operation");
         
         List<Map<String, String>> imports = (List<Map<String, String>>) objs.get("imports");
+        Map<String, CodegenModel> codegenModels = new HashMap<String, CodegenModel> ();
+        for(Object moObj : allModels) {
+            CodegenModel mo = ((Map<String, CodegenModel>) moObj).get("model");
+            if(mo.isEnum) {
+                codegenModels.put(mo.classname, mo);
+            }
+        }
         for (CodegenOperation operation : operations) {
+            if(operation.returnType != null) {
+                if(codegenModels.containsKey(operation.returnType)){
+                    operation.vendorExtensions.put("returnsEnum", true);
+                }
+            }
             // Check all return parameter baseType if there is a necessity to include, include it if not 
             // already done
             if (operation.returnBaseType != null && needToImport(operation.returnBaseType)) {
@@ -316,6 +329,21 @@ public class CppQt5AbstractCodegen extends AbstractCppCodegen implements Codegen
         return objs;
     }
     
+    @Override
+    public Map<String, Object> postProcessModels(Map<String, Object> objs) {
+        return postProcessModelsEnum(objs);
+    }
+
+    @Override
+    public String toEnumValue(String value, String datatype) {
+        return escapeText(value);
+    }
+    
+    @Override
+    public boolean isDataTypeString(String dataType) {
+        return "QString".equals(dataType);
+    }
+    
     private Map<String, String> createMapping(String key, String value) {
         Map<String, String> customImport = new HashMap<String, String>();
         customImport.put(key, toModelImport(value));

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CppQt5ClientCodegen.java

@@ -24,6 +24,8 @@ import org.openapitools.codegen.SupportingFile;
 
 import java.io.File;
 
+import static org.openapitools.codegen.utils.StringUtils.*;
+
 public class CppQt5ClientCodegen extends CppQt5AbstractCodegen implements CodegenConfig {
     public static final String OPTIONAL_PROJECT_FILE_DESC = "Generate client.pri.";
     // source folder where to write the files
@@ -75,6 +77,7 @@ public class CppQt5ClientCodegen extends CppQt5AbstractCodegen implements Codege
         supportingFiles.add(new SupportingFile("HttpRequest.h.mustache", sourceFolder, PREFIX + "HttpRequest.h"));
         supportingFiles.add(new SupportingFile("HttpRequest.cpp.mustache", sourceFolder, PREFIX + "HttpRequest.cpp"));
         supportingFiles.add(new SupportingFile("object.mustache", sourceFolder, PREFIX + "Object.h"));
+        supportingFiles.add(new SupportingFile("enum.mustache", sourceFolder, PREFIX + "Enum.h"));        
         if (optionalProjectFileFlag) {
             supportingFiles.add(new SupportingFile("Project.mustache", sourceFolder, "client.pri"));
         }
@@ -100,6 +103,7 @@ public class CppQt5ClientCodegen extends CppQt5AbstractCodegen implements Codege
             supportingFiles.add(new SupportingFile("HttpRequest.h.mustache", sourceFolder, modelNamePrefix + "HttpRequest.h"));
             supportingFiles.add(new SupportingFile("HttpRequest.cpp.mustache", sourceFolder, modelNamePrefix + "HttpRequest.cpp"));
             supportingFiles.add(new SupportingFile("object.mustache", sourceFolder, modelNamePrefix + "Object.h"));
+            supportingFiles.add(new SupportingFile("enum.mustache", sourceFolder, modelNamePrefix + "Enum.h"));            
 
             typeMapping.put("file", modelNamePrefix + "HttpRequestInputFileElement");
             typeMapping.put("binary", modelNamePrefix + "HttpRequestInputFileElement");
@@ -163,7 +167,7 @@ public class CppQt5ClientCodegen extends CppQt5AbstractCodegen implements Codege
 
     @Override
     public String toApiFilename(String name) {
-        return modelNamePrefix + sanitizeName(initialCaps(name)) + "Api";
+        return modelNamePrefix + sanitizeName(camelize(name)) + "Api";
     }
 
     public void setOptionalProjectFileFlag(boolean flag) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CppQt5QHttpEngineServerCodegen.java

@@ -23,6 +23,8 @@ import org.openapitools.codegen.SupportingFile;
 
 import java.io.File;
 
+import static org.openapitools.codegen.utils.StringUtils.*;
+
 public class CppQt5QHttpEngineServerCodegen extends CppQt5AbstractCodegen implements CodegenConfig {
 
     protected final String SRC_DIR = "/src";
@@ -83,6 +85,7 @@ public class CppQt5QHttpEngineServerCodegen extends CppQt5AbstractCodegen implem
         supportingFiles.add(new SupportingFile("helpers-header.mustache", sourceFolder + MODEL_DIR, PREFIX + "Helpers.h"));
         supportingFiles.add(new SupportingFile("helpers-body.mustache", sourceFolder + MODEL_DIR, PREFIX + "Helpers.cpp"));
         supportingFiles.add(new SupportingFile("object.mustache", sourceFolder + MODEL_DIR, PREFIX + "Object.h"));        
+        supportingFiles.add(new SupportingFile("enum.mustache", sourceFolder + MODEL_DIR, PREFIX + "Enum.h"));
         supportingFiles.add(new SupportingFile("apirouter.h.mustache", sourceFolder + APIHANDLER_DIR, PREFIX + "ApiRouter.h"));
         supportingFiles.add(new SupportingFile("apirouter.cpp.mustache", sourceFolder + APIHANDLER_DIR, PREFIX + "ApiRouter.cpp"));
 
@@ -106,6 +109,7 @@ public class CppQt5QHttpEngineServerCodegen extends CppQt5AbstractCodegen implem
             supportingFiles.add(new SupportingFile("helpers-header.mustache", sourceFolder + MODEL_DIR, modelNamePrefix + "Helpers.h"));
             supportingFiles.add(new SupportingFile("helpers-body.mustache", sourceFolder + MODEL_DIR, modelNamePrefix + "Helpers.cpp"));
             supportingFiles.add(new SupportingFile("object.mustache", sourceFolder + MODEL_DIR, modelNamePrefix + "Object.h"));
+            supportingFiles.add(new SupportingFile("enum.mustache", sourceFolder + MODEL_DIR, modelNamePrefix + "Enum.h"));
             supportingFiles.add(new SupportingFile("apirouter.h.mustache", sourceFolder + APIHANDLER_DIR, modelNamePrefix + "ApiRouter.h"));
             supportingFiles.add(new SupportingFile("apirouter.cpp.mustache", sourceFolder + APIHANDLER_DIR, modelNamePrefix + "ApiRouter.cpp"));            
                       
@@ -187,7 +191,7 @@ public class CppQt5QHttpEngineServerCodegen extends CppQt5AbstractCodegen implem
 
     @Override
     public String toApiFilename(String name) {
-        return modelNamePrefix + sanitizeName(initialCaps(name)) + "ApiHandler";
+        return modelNamePrefix + sanitizeName(camelize(name)) + "ApiHandler";
     }
 
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CppRestSdkClientCodegen.java

@@ -31,6 +31,7 @@ import org.openapitools.codegen.utils.ModelUtils;
 import java.util.*;
 
 import static com.google.common.base.Strings.isNullOrEmpty;
+import static org.openapitools.codegen.utils.StringUtils.*;
 
 public class CppRestSdkClientCodegen extends AbstractCppCodegen {
 
@@ -288,12 +289,12 @@ public class CppRestSdkClientCodegen extends AbstractCppCodegen {
 
     @Override
     public String toModelFilename(String name) {
-        return sanitizeName(initialCaps(name));
+        return sanitizeName(camelize(name));
     }
 
     @Override
     public String toApiFilename(String name) {
-        return sanitizeName(initialCaps(name) + "Api");
+        return sanitizeName(camelize(name) + "Api");
     }
 
     /**

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CppRestbedServerCodegen.java

@@ -27,6 +27,8 @@ import org.slf4j.LoggerFactory;
 import java.io.File;
 import java.util.*;
 
+import static org.openapitools.codegen.utils.StringUtils.*;
+
 public class CppRestbedServerCodegen extends AbstractCppCodegen {
 
     private static final org.slf4j.Logger LOGGER = LoggerFactory.getLogger(CppRestbedServerCodegen.class);
@@ -191,12 +193,12 @@ public class CppRestbedServerCodegen extends AbstractCppCodegen {
 
     @Override
     public String toModelFilename(String name) {
-        return initialCaps(name);
+        return camelize(name);
     }
 
     @Override
     public String toApiFilename(String name) {
-        return initialCaps(name) + "Api";
+        return camelize(name) + "Api";
     }
 
     @SuppressWarnings("unchecked")

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CppTizenClientCodegen.java

@@ -247,17 +247,17 @@ public class CppTizenClientCodegen extends AbstractCppCodegen implements Codegen
 
     @Override
     public String toModelFilename(String name) {
-        return initialCaps(name);
+        return camelize(name);
     }
 
     @Override
     public String toApiName(String name) {
-        return initialCaps(name) + "Manager";
+        return camelize(name) + "Manager";
     }
 
     @Override
     public String toApiFilename(String name) {
-        return initialCaps(name) + "Manager";
+        return camelize(name) + "Manager";
     }
 
     @Override

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/DartJaguarClientCodegen.java

@@ -16,10 +16,16 @@
 
 package org.openapitools.codegen.languages;
 
-import io.swagger.v3.oas.models.media.Schema;
+import org.apache.commons.io.FilenameUtils;
+import org.openapitools.codegen.*;
+import org.openapitools.codegen.utils.ModelUtils;
+
+import io.swagger.v3.oas.models.media.*;
+
 import org.apache.commons.lang3.StringUtils;
 import org.openapitools.codegen.*;
 import org.openapitools.codegen.utils.ModelUtils;
+import org.openapitools.codegen.utils.ProcessUtils;
 
 import java.io.File;
 import java.util.*;
@@ -28,16 +34,25 @@ import static org.openapitools.codegen.utils.StringUtils.underscore;
 
 public class DartJaguarClientCodegen extends DartClientCodegen {
     private static final String NULLABLE_FIELDS = "nullableFields";
+    private static final String SERIALIZATION_FORMAT = "serialization";
+    private static final String IS_FORMAT_JSON = "jsonFormat";
+    private static final String IS_FORMAT_PROTO = "protoFormat";
     private static Set<String> modelToIgnore = new HashSet<>();
+    private HashMap<String, String> protoTypeMapping = new HashMap<>();
 
     static {
         modelToIgnore.add("datetime");
         modelToIgnore.add("map");
         modelToIgnore.add("list");
         modelToIgnore.add("file");
+        modelToIgnore.add("uint8list");
     }
 
+    private static final String SERIALIZATION_JSON = "json";
+    private static final String SERIALIZATION_PROTO = "proto";
+
     private boolean nullableFields = true;
+    private String serialization = SERIALIZATION_JSON;
 
     public DartJaguarClientCodegen() {
         super();
@@ -46,6 +61,33 @@ public class DartJaguarClientCodegen extends DartClientCodegen {
         embeddedTemplateDir = templateDir = "dart-jaguar";
 
         cliOptions.add(new CliOption(NULLABLE_FIELDS, "Is the null fields should be in the JSON payload"));
+        cliOptions.add(new CliOption(SERIALIZATION_FORMAT, "Choose serialization format JSON or PROTO is supported"));
+
+        typeMapping.put("file", "Uint8List");
+        typeMapping.put("binary", "Uint8List");
+
+        protoTypeMapping.put("Array", "repeated");
+        protoTypeMapping.put("array", "repeated");
+        protoTypeMapping.put("List", "repeated");
+        protoTypeMapping.put("boolean", "bool");
+        protoTypeMapping.put("string", "string");
+        protoTypeMapping.put("char", "string");
+        protoTypeMapping.put("int", "int32");
+        protoTypeMapping.put("long", "int64");
+        protoTypeMapping.put("short", "int32");
+        protoTypeMapping.put("number", "double");
+        protoTypeMapping.put("float", "float");
+        protoTypeMapping.put("double", "double");
+        protoTypeMapping.put("object", "google.protobuf.Any");
+        protoTypeMapping.put("integer", "int32");
+        protoTypeMapping.put("Date", "google.protobuf.Timestamp");
+        protoTypeMapping.put("date", "google.protobuf.Timestamp");
+        protoTypeMapping.put("File", "bytes");
+        protoTypeMapping.put("file", "bytes");
+        protoTypeMapping.put("binary", "bytes");
+        protoTypeMapping.put("UUID", "string");
+        protoTypeMapping.put("ByteArray", "bytes");
+
     }
 
     @Override
@@ -77,6 +119,20 @@ public class DartJaguarClientCodegen extends DartClientCodegen {
             additionalProperties.put(NULLABLE_FIELDS, nullableFields);
         }
 
+        if (additionalProperties.containsKey(SERIALIZATION_FORMAT)) {
+            serialization = ((String) additionalProperties.get(SERIALIZATION_FORMAT));
+            boolean isProto = serialization.equalsIgnoreCase(SERIALIZATION_PROTO);
+            additionalProperties.put(IS_FORMAT_JSON, serialization.equalsIgnoreCase(SERIALIZATION_JSON));
+            additionalProperties.put(IS_FORMAT_PROTO, isProto);
+
+            modelTemplateFiles.put("model.mustache", isProto ? ".proto" : ".dart");
+
+        } else {
+            //not set, use to be passed to template
+            additionalProperties.put(IS_FORMAT_JSON, true);
+            additionalProperties.put(IS_FORMAT_PROTO, false);
+        }
+
         if (additionalProperties.containsKey(PUB_NAME)) {
             this.setPubName((String) additionalProperties.get(PUB_NAME));
         } else {
@@ -133,6 +189,7 @@ public class DartJaguarClientCodegen extends DartClientCodegen {
     public Map<String, Object> postProcessModels(Map<String, Object> objs) {
         objs = super.postProcessModels(objs);
         List<Object> models = (List<Object>) objs.get("models");
+        ProcessUtils.addIndexToProperties(models, 1);
         for (Object _mo : models) {
             Map<String, Object> mo = (Map<String, Object>) _mo;
             Set<String> modelImports = new HashSet<>();
@@ -142,6 +199,16 @@ public class DartJaguarClientCodegen extends DartClientCodegen {
                     modelImports.add(underscore(modelImport));
                 }
             }
+
+            for (CodegenProperty p : cm.vars) {
+                String protoType = protoTypeMapping.get(p.openApiType);
+                if (p.isListContainer) {
+                    String innerType = protoTypeMapping.get(p.mostInnerItems.openApiType);
+                    protoType = protoType + " " + (innerType == null ? p.mostInnerItems.openApiType : innerType);
+                }
+                p.vendorExtensions.put("x-proto-type", protoType == null ? p.openApiType : protoType);
+            }
+
             cm.imports = modelImports;
             cm.vendorExtensions.put("hasVars", cm.vars.size() > 0);
         }
@@ -155,17 +222,20 @@ public class DartJaguarClientCodegen extends DartClientCodegen {
         List<CodegenOperation> operationList = (List<CodegenOperation>) operations.get("operation");
 
         Set<String> modelImports = new HashSet<>();
+        Set<String> fullImports = new HashSet<>();
 
         for (CodegenOperation op : operationList) {
             op.httpMethod = StringUtils.capitalize(op.httpMethod.toLowerCase(Locale.ROOT));
             boolean isJson = true; //default to JSON
             boolean isForm = false;
+            boolean isProto = false;
             boolean isMultipart = false;
             if (op.consumes != null) {
                 for (Map<String, String> consume : op.consumes) {
                     if (consume.containsKey("mediaType")) {
                         String type = consume.get("mediaType");
                         isJson = type.equalsIgnoreCase("application/json");
+                        isProto = type.equalsIgnoreCase("application/octet-stream");
                         isForm = type.equalsIgnoreCase("application/x-www-form-urlencoded");
                         isMultipart = type.equalsIgnoreCase("multipart/form-data");
                         break;
@@ -173,7 +243,27 @@ public class DartJaguarClientCodegen extends DartClientCodegen {
                 }
             }
 
+            for (CodegenParameter param : op.allParams) {
+                if (param.baseType != null && param.baseType.equalsIgnoreCase("Uint8List") && isMultipart) {
+                    param.baseType = "MultipartFile";
+                    param.dataType = "MultipartFile";
+                }
+            }
+            for (CodegenParameter param : op.formParams) {
+                if (param.baseType != null && param.baseType.equalsIgnoreCase("Uint8List") && isMultipart) {
+                    param.baseType = "MultipartFile";
+                    param.dataType = "MultipartFile";
+                }
+            }
+            for (CodegenParameter param : op.bodyParams) {
+                if (param.baseType != null && param.baseType.equalsIgnoreCase("Uint8List") && isMultipart) {
+                    param.baseType = "MultipartFile";
+                    param.dataType = "MultipartFile";
+                }
+            }
+
             op.vendorExtensions.put("isJson", isJson);
+            op.vendorExtensions.put("isProto", isProto);
             op.vendorExtensions.put("isForm", isForm);
             op.vendorExtensions.put("isMultipart", isMultipart);
 
@@ -181,6 +271,8 @@ public class DartJaguarClientCodegen extends DartClientCodegen {
             for (String item : op.imports) {
                 if (!modelToIgnore.contains(item.toLowerCase(Locale.ROOT))) {
                     imports.add(underscore(item));
+                } else if (item.equalsIgnoreCase("Uint8List")) {
+                    fullImports.add("dart:typed_data");
                 }
             }
             modelImports.addAll(imports);
@@ -205,6 +297,7 @@ public class DartJaguarClientCodegen extends DartClientCodegen {
         }
 
         objs.put("modelImports", modelImports);
+        objs.put("fullImports", fullImports);
 
         return objs;
     }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ElixirClientCodegen.java

@@ -23,6 +23,7 @@ import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.info.Info;
 import io.swagger.v3.oas.models.media.ArraySchema;
 import io.swagger.v3.oas.models.media.Schema;
+import io.swagger.v3.oas.models.responses.ApiResponse;
 import org.apache.commons.lang3.StringUtils;
 import org.openapitools.codegen.*;
 import org.openapitools.codegen.utils.ModelUtils;
@@ -53,7 +54,7 @@ public class ElixirClientCodegen extends DefaultCodegen implements CodegenConfig
     List<String> extraApplications = Arrays.asList(":logger");
     List<String> deps = Arrays.asList(
             "{:tesla, \"~> 1.0.0\"}",
-            "{:poison, \">= 1.0.0\"}"
+            "{:poison, \"~> 3.0.0\"}"
     );
 
     public ElixirClientCodegen() {
@@ -310,6 +311,11 @@ public class ElixirClientCodegen extends DefaultCodegen implements CodegenConfig
         return new ExtendedCodegenModel(cm);
     }
 
+    @Override
+    public CodegenResponse fromResponse(String responseCode, ApiResponse resp) {
+        return new ExtendedCodegenResponse(super.fromResponse(responseCode, resp));
+    }
+
     // We should use String.join if we can use Java8
     String join(CharSequence charSequence, Iterable<String> iterable) {
         StringBuilder buf = new StringBuilder();
@@ -515,6 +521,91 @@ public class ElixirClientCodegen extends DefaultCodegen implements CodegenConfig
         return toModelName(type);
     }
 
+    class ExtendedCodegenResponse extends CodegenResponse {
+        public boolean isDefinedDefault;
+
+        public ExtendedCodegenResponse(CodegenResponse o) {
+            super();
+
+            this.headers.addAll(o.headers);
+            this.code = o.code;
+            this.message = o.message;
+            this.hasMore = o.hasMore;
+            this.examples = o.examples;
+            this.dataType = o.dataType;
+            this.baseType = o.baseType;
+            this.containerType = o.containerType;
+            this.hasHeaders = o.hasHeaders;
+            this.isString = o.isString;
+            this.isNumeric = o.isNumeric;
+            this.isInteger = o.isInteger;
+            this.isLong = o.isLong;
+            this.isNumber = o.isNumber;
+            this.isFloat = o.isFloat;
+            this.isDouble = o.isDouble;
+            this.isByteArray = o.isByteArray;
+            this.isBoolean = o.isBoolean;
+            this.isDate = o.isDate;
+            this.isDateTime = o.isDateTime;
+            this.isUuid = o.isUuid;
+            this.isEmail = o.isEmail;
+            this.isModel = o.isModel;
+            this.isFreeFormObject = o.isFreeFormObject;
+            this.isDefault = o.isDefault;
+            this.simpleType = o.simpleType;
+            this.primitiveType = o.primitiveType;
+            this.isMapContainer = o.isMapContainer;
+            this.isListContainer = o.isListContainer;
+            this.isBinary = o.isBinary;
+            this.isFile = o.isFile;
+            this.schema = o.schema;
+            this.jsonSchema = o.jsonSchema;
+            this.vendorExtensions = o.vendorExtensions;
+
+            this.isDefinedDefault = (this.code.equals("0") || this.code.equals("default"));
+        }
+
+        public String codeMappingKey(){
+            if(this.isDefinedDefault) {
+                return ":default";
+            }
+
+            if(code.matches("^\\d{3}$")){
+                return code;
+            }
+
+            LOGGER.warn("Unknown HTTP status code: " + this.code);
+            return "\"" + code + "\"";
+        }
+
+        public String decodedStruct() {
+            // Let Poison decode the entire response into a generic blob
+            if (isMapContainer) {
+                return "%{}";
+            }
+            // Primitive return type, don't even try to decode
+            if (baseType == null || (simpleType && primitiveType)) {
+                return "false";
+            } else if (isListContainer && languageSpecificPrimitives().contains(baseType)) {
+                return "[]";
+            }
+            StringBuilder sb = new StringBuilder();
+            if (isListContainer) {
+                sb.append("[");
+            }
+            sb.append("%");
+            sb.append(moduleName);
+            sb.append(".Model.");
+            sb.append(baseType);
+            sb.append("{}");
+            if (isListContainer) {
+                sb.append("]");
+            }
+            return sb.toString();
+        }
+
+    }
+
     class ExtendedCodegenOperation extends CodegenOperation {
         private List<String> pathTemplateNames = new ArrayList<String>();
         private String replacedPathName;
@@ -688,32 +779,6 @@ public class ElixirClientCodegen extends DefaultCodegen implements CodegenConfig
                 sb.append(".t");
             }
         }
-
-        public String decodedStruct() {
-            // Let Poison decode the entire response into a generic blob
-            if (isMapContainer) {
-                return "";
-            }
-            // Primitive return type, don't even try to decode
-            if (returnBaseType == null || (returnSimpleType && returnTypeIsPrimitive)) {
-                return "false";
-            } else if (isListContainer && languageSpecificPrimitives().contains(returnBaseType)) {
-                return "[]";
-            }
-            StringBuilder sb = new StringBuilder();
-            if (isListContainer) {
-                sb.append("[");
-            }
-            sb.append("%");
-            sb.append(moduleName);
-            sb.append(".Model.");
-            sb.append(returnBaseType);
-            sb.append("{}");
-            if (isListContainer) {
-                sb.append("]");
-            }
-            return sb.toString();
-        }
     }
 
     class ExtendedCodegenModel extends CodegenModel {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ElmClientCodegen.java

@@ -30,7 +30,9 @@ import org.slf4j.LoggerFactory;
 import java.io.File;
 import java.text.Collator;
 import java.util.*;
+import java.util.function.Predicate;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 import static org.openapitools.codegen.utils.StringUtils.camelize;
 
@@ -234,7 +236,7 @@ public class ElmClientCodegen extends DefaultCodegen implements CodegenConfig {
         if (name.length() == 0) {
             return "Default";
         }
-        return initialCaps(name);
+        return camelize(name);
     }
 
     @Override
@@ -411,14 +413,26 @@ public class ElmClientCodegen extends DefaultCodegen implements CodegenConfig {
         return postProcessModelsEnum(objs);
     }
 
+    private static boolean anyOperationParam(final List<CodegenOperation> operations, final Predicate<CodegenParameter> predicate) {
+      return operations.stream()
+          .flatMap(operation -> Stream.of(
+                operation.bodyParams.stream(),
+                operation.queryParams.stream(),
+                operation.pathParams.stream(),
+                operation.headerParams.stream()
+          ))
+          .flatMap(a -> a)
+          .filter(predicate)
+          .findAny()
+          .isPresent();
+    }
+
     @Override
     @SuppressWarnings({"static-method", "unchecked"})
     public Map<String, Object> postProcessOperationsWithModels(Map<String, Object> operations, List<Object> allModels) {
         Map<String, Object> objs = (Map<String, Object>) operations.get("operations");
         List<CodegenOperation> ops = (List<CodegenOperation>) objs.get("operation");
 
-        boolean hasDateTime = false;
-        boolean hasDate = false;
         final Map<String, Set<String>> dependencies = new HashMap<>();
 
         for (CodegenOperation op : ops) {
@@ -427,8 +441,6 @@ public class ElmClientCodegen extends DefaultCodegen implements CodegenConfig {
                 for (CodegenParameter param : op.pathParams) {
                     final String var = paramToString("params", param, false, null);
                     path = path.replace("{" + param.paramName + "}", "\" ++ " + var + " ++ \"");
-                    hasDateTime = hasDateTime || param.isDateTime;
-                    hasDate = hasDate || param.isDate;
                 }
                 op.path = ("\"" + path + "\"").replaceAll(" \\+\\+ \"\"", "");
             } else {
@@ -437,8 +449,6 @@ public class ElmClientCodegen extends DefaultCodegen implements CodegenConfig {
                 for (CodegenParameter param : op.pathParams) {
                     String str = paramToString("params", param, false, null);
                     path = path.replace("{" + param.paramName + "}", str);
-                    hasDateTime = hasDateTime || param.isDateTime;
-                    hasDate = hasDate || param.isDate;
                 }
                 op.path = path;
 
@@ -487,6 +497,7 @@ public class ElmClientCodegen extends DefaultCodegen implements CodegenConfig {
             elmImport.hasExposures = true;
             elmImports.add(elmImport);
         }
+        final boolean hasDate = anyOperationParam(ops, param -> param.isDate);
         if (hasDate) {
             final ElmImport elmImport = new ElmImport();
             elmImport.moduleName = "DateOnly";
@@ -495,6 +506,7 @@ public class ElmClientCodegen extends DefaultCodegen implements CodegenConfig {
             elmImport.hasExposures = true;
             elmImports.add(elmImport);
         }
+        final boolean hasDateTime = anyOperationParam(ops, param -> param.isDateTime);
         if (hasDateTime) {
             final ElmImport elmImport = new ElmImport();
             elmImport.moduleName = "DateTime";
@@ -503,6 +515,15 @@ public class ElmClientCodegen extends DefaultCodegen implements CodegenConfig {
             elmImport.hasExposures = true;
             elmImports.add(elmImport);
         }
+        final boolean hasUuid = anyOperationParam(ops, param -> param.isUuid);
+        if (hasUuid) {
+            final ElmImport elmImport = new ElmImport();
+            elmImport.moduleName = "Uuid";
+            elmImport.exposures = new TreeSet<>();
+            elmImport.exposures.add("Uuid");
+            elmImport.hasExposures = true;
+            elmImports.add(elmImport);
+        }
         operations.put("elmImports", elmImports);
 
         return operations;
@@ -553,7 +574,7 @@ public class ElmClientCodegen extends DefaultCodegen implements CodegenConfig {
         }
 
         String mapFn = null;
-        if (param.isString || param.isUuid || param.isBinary || param.isByteArray) {
+        if (param.isString || param.isBinary || param.isByteArray) {
             mapFn = "";
         } else if (param.isBoolean) {
             mapFn = "(\\val -> if val then \"true\" else \"false\")";
@@ -561,6 +582,8 @@ public class ElmClientCodegen extends DefaultCodegen implements CodegenConfig {
             mapFn = "DateTime.toString";
         } else if (param.isDate) {
             mapFn = "DateOnly.toString";
+        } else if (param.isUuid) {
+            mapFn = "Uuid.toString";
         } else if (ElmVersion.ELM_018.equals(elmVersion)) {
             mapFn = "toString";
         } else if (param.isInteger || param.isLong) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoClientCodegen.java

@@ -51,8 +51,6 @@ public class GoClientCodegen extends AbstractGoCodegen {
         // default HIDE_GENERATION_TIMESTAMP to true
         hideGenerationTimestamp = Boolean.TRUE;
 
-        cliOptions.add(new CliOption(CodegenConstants.PACKAGE_VERSION, "Go package version.")
-                .defaultValue("1.0.0"));
         cliOptions.add(CliOption.newBoolean(WITH_GO_CODEGEN_COMMENT, "whether to include Go codegen comment to disable Go Lint and collapse by default GitHub in PRs and diffs"));
         cliOptions.add(CliOption.newBoolean(WITH_XML, "whether to include support for application/xml content type and include XML annotations in the model (works with libraries that provide support for JSON and XML)"));
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoServerCodegen.java

@@ -17,6 +17,7 @@
 
 package org.openapitools.codegen.languages;
 
+import org.openapitools.codegen.CliOption;
 import org.openapitools.codegen.CodegenConstants;
 import org.openapitools.codegen.CodegenType;
 import org.openapitools.codegen.SupportingFile;
@@ -30,16 +31,25 @@ public class GoServerCodegen extends AbstractGoCodegen {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(GoServerCodegen.class);
 
-    protected String apiVersion = "1.0.0";
+    protected String packageVersion = "1.0.0";
     protected int serverPort = 8080;
     protected String projectName = "openapi-server";
-    protected String apiPath = "go";
+    protected String sourceFolder = "go";
+
 
     public GoServerCodegen() {
         super();
 
         // set the output folder here
         outputFolder = "generated-code/go";
+        
+        cliOptions.add(new CliOption(CodegenConstants.SOURCE_FOLDER, CodegenConstants.SOURCE_FOLDER_DESC)
+                .defaultValue(sourceFolder));
+        
+        CliOption optServerPort = new CliOption("serverPort", "The network port the generated server binds to");
+        optServerPort.setType("int");
+        optServerPort.defaultValue(Integer.toString(serverPort));
+        cliOptions.add(optServerPort);
 
         /*
          * Models.  You can write model files using the modelTemplateFiles map.
@@ -88,21 +98,35 @@ public class GoServerCodegen extends AbstractGoCodegen {
     @Override
     public void processOpts() {
         super.processOpts();
-
+        
+        
+        /*
+         * Additional Properties.  These values can be passed to the templates and
+         * are available in models, apis, and supporting files
+         */
         if (additionalProperties.containsKey(CodegenConstants.PACKAGE_NAME)) {
             setPackageName((String) additionalProperties.get(CodegenConstants.PACKAGE_NAME));
         } else {
             setPackageName("openapi");
         }
-
-        /*
-         * Additional Properties.  These values can be passed to the templates and
-         * are available in models, apis, and supporting files
-         */
-        additionalProperties.put("apiVersion", apiVersion);
-        additionalProperties.put("serverPort", serverPort);
-        additionalProperties.put("apiPath", apiPath);
-        additionalProperties.put(CodegenConstants.PACKAGE_NAME, packageName);
+        
+        if (additionalProperties.containsKey(CodegenConstants.PACKAGE_VERSION)) {
+            this.setPackageVersion((String) additionalProperties.get(CodegenConstants.PACKAGE_VERSION));
+        } else {
+            additionalProperties.put(CodegenConstants.PACKAGE_VERSION, packageVersion);
+        }
+        
+        if (additionalProperties.containsKey(CodegenConstants.SOURCE_FOLDER)) {
+            this.setSourceFolder((String) additionalProperties.get(CodegenConstants.SOURCE_FOLDER));
+        } else {
+            additionalProperties.put(CodegenConstants.SOURCE_FOLDER, sourceFolder);
+        }
+        
+        if (additionalProperties.containsKey("serverPort") && additionalProperties.get("serverPort") instanceof Integer) {
+            this.setServerPort((int) additionalProperties.get("serverPort"));
+        } else {
+            additionalProperties.put("serverPort", serverPort);
+        }
 
         modelPackage = packageName;
         apiPackage = packageName;
@@ -115,14 +139,14 @@ public class GoServerCodegen extends AbstractGoCodegen {
         supportingFiles.add(new SupportingFile("openapi.mustache", "api", "openapi.yaml"));
         supportingFiles.add(new SupportingFile("main.mustache", "", "main.go"));
         supportingFiles.add(new SupportingFile("Dockerfile.mustache", "", "Dockerfile"));
-        supportingFiles.add(new SupportingFile("routers.mustache", apiPath, "routers.go"));
-        supportingFiles.add(new SupportingFile("logger.mustache", apiPath, "logger.go"));
-        writeOptional(outputFolder, new SupportingFile("README.mustache", apiPath, "README.md"));
+        supportingFiles.add(new SupportingFile("routers.mustache", sourceFolder, "routers.go"));
+        supportingFiles.add(new SupportingFile("logger.mustache", sourceFolder, "logger.go"));
+        writeOptional(outputFolder, new SupportingFile("README.mustache", "", "README.md"));
     }
 
     @Override
     public String apiPackage() {
-        return apiPath;
+        return sourceFolder;
     }
 
     /**
@@ -172,5 +196,16 @@ public class GoServerCodegen extends AbstractGoCodegen {
     public String modelFileFolder() {
         return outputFolder + File.separator + apiPackage().replace('.', File.separatorChar);
     }
+    
+    public void setSourceFolder(String sourceFolder) {
+        this.sourceFolder = sourceFolder;
+    }
 
+    public void setPackageVersion(String packageVersion) {
+        this.packageVersion = packageVersion;
+    }
+
+    public void setServerPort(int serverPort) {
+        this.serverPort = serverPort;
+    } 
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaClientCodegen.java

@@ -116,18 +116,18 @@ public class JavaClientCodegen extends AbstractJavaCodegen
         cliOptions.add(CliOption.newBoolean(FEIGN_VERSION, "Version of OpenFeign: '10.x', '9.x' (default)"));
         cliOptions.add(CliOption.newBoolean(USE_REFLECTION_EQUALS_HASHCODE, "Use org.apache.commons.lang3.builder for equals and hashCode in the models. WARNING: This will fail under a security manager, unless the appropriate permissions are set up correctly and also there's potential performance impact."));
 
-        supportedLibraries.put(JERSEY1, "HTTP client: Jersey client 1.19.4. JSON processing: Jackson 2.8.9. Enable Java6 support using '-DsupportJava6=true'. Enable gzip request encoding using '-DuseGzipFeature=true'.");
-        supportedLibraries.put(FEIGN, "HTTP client: OpenFeign 9.4.0. JSON processing: Jackson 2.8.9. To enable OpenFeign 10.x, set the 'feignVersion' option to '10.x'");
-        supportedLibraries.put(JERSEY2, "HTTP client: Jersey client 2.25.1. JSON processing: Jackson 2.8.9");
-        supportedLibraries.put(OKHTTP_GSON, "HTTP client: OkHttp 2.7.5. JSON processing: Gson 2.8.1. Enable Parcelable models on Android using '-DparcelableModel=true'. Enable gzip request encoding using '-DuseGzipFeature=true'.");
-        supportedLibraries.put(RETROFIT_1, "HTTP client: OkHttp 2.7.5. JSON processing: Gson 2.3.1 (Retrofit 1.9.0). IMPORTANT NOTE: retrofit1.x is no longer actively maintained so please upgrade to 'retrofit2' instead.");
-        supportedLibraries.put(RETROFIT_2, "HTTP client: OkHttp 3.8.0. JSON processing: Gson 2.6.1 (Retrofit 2.3.0). Enable the RxJava adapter using '-DuseRxJava[2]=true'. (RxJava 1.x or 2.x)");
-        supportedLibraries.put(RESTTEMPLATE, "HTTP client: Spring RestTemplate 4.3.9-RELEASE. JSON processing: Jackson 2.8.9");
-        supportedLibraries.put(WEBCLIENT, "HTTP client: Spring WebClient 5.0.7-RELEASE. JSON processing: Jackson 2.9.5");
-        supportedLibraries.put(RESTEASY, "HTTP client: Resteasy client 3.1.3.Final. JSON processing: Jackson 2.8.9");
-        supportedLibraries.put(VERTX, "HTTP client: VertX client 3.2.4. JSON processing: Jackson 2.8.9");
-        supportedLibraries.put(GOOGLE_API_CLIENT, "HTTP client: Google API client 1.23.0. JSON processing: Jackson 2.8.9");
-        supportedLibraries.put(REST_ASSURED, "HTTP client: rest-assured : 3.1.0. JSON processing: Gson 2.6.1. Only for Java8");
+        supportedLibraries.put(JERSEY1, "HTTP client: Jersey client 1.19.x. JSON processing: Jackson 2.8.x. Enable Java6 support using '-DsupportJava6=true'. Enable gzip request encoding using '-DuseGzipFeature=true'.");
+        supportedLibraries.put(FEIGN, "HTTP client: OpenFeign 9.x or 10.x. JSON processing: Jackson 2.8.x. To enable OpenFeign 10.x, set the 'feignVersion' option to '10.x'");
+        supportedLibraries.put(JERSEY2, "HTTP client: Jersey client 2.25.1. JSON processing: Jackson 2.8.x");
+        supportedLibraries.put(OKHTTP_GSON, "HTTP client: OkHttp 3.x. JSON processing: Gson 2.8.x. Enable Parcelable models on Android using '-DparcelableModel=true'. Enable gzip request encoding using '-DuseGzipFeature=true'.");
+        supportedLibraries.put(RETROFIT_1, "HTTP client: OkHttp 2.x. JSON processing: Gson 2.x (Retrofit 1.9.0). IMPORTANT NOTE: retrofit1.x is no longer actively maintained so please upgrade to 'retrofit2' instead.");
+        supportedLibraries.put(RETROFIT_2, "HTTP client: OkHttp 3.x. JSON processing: Gson 2.x (Retrofit 2.3.0). Enable the RxJava adapter using '-DuseRxJava[2]=true'. (RxJava 1.x or 2.x)");
+        supportedLibraries.put(RESTTEMPLATE, "HTTP client: Spring RestTemplate 4.x. JSON processing: Jackson 2.8.x");
+        supportedLibraries.put(WEBCLIENT, "HTTP client: Spring WebClient 5.x. JSON processing: Jackson 2.9.x");
+        supportedLibraries.put(RESTEASY, "HTTP client: Resteasy client 3.x. JSON processing: Jackson 2.8.x");
+        supportedLibraries.put(VERTX, "HTTP client: VertX client 3.x. JSON processing: Jackson 2.8.x");
+        supportedLibraries.put(GOOGLE_API_CLIENT, "HTTP client: Google API client 1.x. JSON processing: Jackson 2.8.x");
+        supportedLibraries.put(REST_ASSURED, "HTTP client: rest-assured : 3.x. JSON processing: Gson 2.x. Only for Java8");
 
         CliOption libraryOption = new CliOption(CodegenConstants.LIBRARY, "library template (sub-template) to use");
         libraryOption.setEnum(supportedLibraries);

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavascriptClientCodegen.java

@@ -51,8 +51,8 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
 
     final String[][] JAVASCRIPT_SUPPORTING_FILES = new String[][]{
             new String[]{"package.mustache", "package.json"},
-            new String[]{"index.mustache", "src/index.js"},
-            new String[]{"ApiClient.mustache", "src/ApiClient.js"},
+            // new String[]{"index.mustache", "src/index.js", },
+            // new String[]{"ApiClient.mustache", "src/ApiClient.js"},
             new String[]{"git_push.sh.mustache", "git_push.sh"},
             new String[]{"README.mustache", "README.md"},
             new String[]{"mocha.opts", "mocha.opts"},
@@ -61,8 +61,8 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
 
     final String[][] JAVASCRIPT_ES6_SUPPORTING_FILES = new String[][]{
             new String[]{"package.mustache", "package.json"},
-            new String[]{"index.mustache", "src/index.js"},
-            new String[]{"ApiClient.mustache", "src/ApiClient.js"},
+            // new String[]{"index.mustache", "src/index.js"},
+            // new String[]{"ApiClient.mustache", "src/ApiClient.js"},
             new String[]{"git_push.sh.mustache", "git_push.sh"},
             new String[]{"README.mustache", "README.md"},
             new String[]{"mocha.opts", "mocha.opts"},
@@ -85,7 +85,7 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
     protected String modelDocPath = "docs/";
     protected String apiTestPath = "api/";
     protected String modelTestPath = "model/";
-    protected boolean useES6 = true; // default is ES5
+    protected boolean useES6 = true; // default is ES6
     private String modelPropertyNaming = "camelCase";
 
     public JavascriptClientCodegen() {
@@ -205,7 +205,7 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
 
     @Override
     public String getHelp() {
-        return "Generates a Javascript client library.";
+        return "Generates a JavaScript client library.";
     }
 
     @Override
@@ -337,6 +337,10 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
         for (String[] supportingTemplateFile : supportingTemplateFiles) {
             supportingFiles.add(new SupportingFile(supportingTemplateFile[0], "", supportingTemplateFile[1]));
         }
+
+        supportingFiles.add(new SupportingFile("index.mustache", createPath(sourceFolder, invokerPackage), "index.js"));
+        supportingFiles.add(new SupportingFile("ApiClient.mustache", createPath(sourceFolder, invokerPackage), "ApiClient.js"));
+
     }
 
     @Override
@@ -373,12 +377,12 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
 
     @Override
     public String apiTestFileFolder() {
-        return (outputFolder + "/test/" + apiTestPath).replace('/', File.separatorChar);
+        return createPath(outputFolder, "test", invokerPackage, apiTestPath);
     }
 
     @Override
     public String modelTestFileFolder() {
-        return (outputFolder + "/test/" + modelTestPath).replace('/', File.separatorChar);
+        return createPath(outputFolder, "test", invokerPackage, modelTestPath);
     }
 
     @Override
@@ -788,7 +792,7 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
      * @param type Primitive type
      * @return Normalized type
      */
-    public String normalizeType(String type) {
+    private String normalizeType(String type) {
         return type.replaceAll("\\b(Boolean|Integer|Number|String|Date|Blob)\\b", "'$1'");
     }
 
@@ -867,10 +871,11 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
         return codegenModel;
     }
 
+    /*
     private String sanitizePath(String p) {
         //prefer replace a ', instead of a fuLL URL encode for readability
         return p.replaceAll("'", "%27");
-    }
+    }*/
 
     private String trimBrackets(String s) {
         if (s != null) {
@@ -959,7 +964,7 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
         if (operations != null) {
             List<CodegenOperation> ops = (List<CodegenOperation>) operations.get("operation");
             for (CodegenOperation operation : ops) {
-                List<String> argList = new ArrayList<String>();
+                List<String> argList = new ArrayList<>();
                 boolean hasOptionalParams = false;
                 for (CodegenParameter p : operation.allParams) {
                     if (p.required) {
@@ -976,7 +981,7 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
 
                 if (hasOptionalParams) {
                     argList.add("opts");
-                } 
+                }
 
                 if (!usePromises) {
                     argList.add("callback");
@@ -1014,7 +1019,7 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
             // NOTE: can't use 'mandatory' as it is built from ModelImpl.getRequired(), which sorts names
             // alphabetically and in any case the document order of 'required' and 'properties' can differ.
             List<CodegenProperty> required = new ArrayList<>();
-            List<CodegenProperty> allRequired = supportsInheritance || supportsMixins ? new ArrayList<CodegenProperty>() : required;
+            List<CodegenProperty> allRequired = supportsInheritance || supportsMixins ? new ArrayList<>() : required;
             cm.vendorExtensions.put("x-required", required);
             cm.vendorExtensions.put("x-all-required", allRequired);
 
@@ -1120,15 +1125,6 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
         return codegenModel;
     }
 
-    private static String sanitizePackageName(String packageName) { // FIXME parameter should not be assigned. Also declare it as "final"
-        packageName = packageName.trim();
-        packageName = packageName.replaceAll("[^a-zA-Z0-9_\\.]", "_");
-        if (Strings.isNullOrEmpty(packageName)) {
-            return "invalidPackageName";
-        }
-        return packageName;
-    }
-
     @Override
     public String toEnumName(CodegenProperty property) {
         return sanitizeName(camelize(property.name)) + "Enum";
@@ -1160,12 +1156,18 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
 
     @Override
     public String escapeQuotationMark(String input) {
+        if (input == null) {
+            return "";
+        }
         // remove ', " to avoid code injection
         return input.replace("\"", "").replace("'", "");
     }
 
     @Override
     public String escapeUnsafeCharacters(String input) {
+        if (input == null) {
+            return "";
+        }
         return input.replace("*/", "*_/").replace("/*", "/_*");
     }
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavascriptFlowtypedClientCodegen.java

@@ -164,7 +164,12 @@ public class JavascriptFlowtypedClientCodegen extends AbstractTypeScriptClientCo
         }
 
         if (additionalProperties.containsKey(SNAPSHOT) && Boolean.valueOf(additionalProperties.get(SNAPSHOT).toString())) {
-            this.setNpmVersion(npmVersion + "-SNAPSHOT." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            if (npmVersion.toUpperCase(Locale.ROOT).matches("^.*-SNAPSHOT$")) {
+                this.setNpmVersion(npmVersion + "." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            }
+            else {
+                this.setNpmVersion(npmVersion + "-SNAPSHOT." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            }
         }
         additionalProperties.put(NPM_VERSION, npmVersion);
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/KotlinSpringServerCodegen.java

@@ -44,7 +44,7 @@ public class KotlinSpringServerCodegen extends AbstractKotlinCodegen
             LoggerFactory.getLogger(KotlinSpringServerCodegen.class);
 
     private static final HashSet<String> VARIABLE_RESERVED_WORDS =
-            new HashSet<String>(Arrays.asList(
+            new HashSet<>(Arrays.asList(
                     "ApiClient",
                     "ApiException",
                     "ApiResponse"
@@ -109,6 +109,10 @@ public class KotlinSpringServerCodegen extends AbstractKotlinCodegen
         importMapping.put("Date", "java.time.LocalDate");
         importMapping.put("DateTime", "java.time.OffsetDateTime");
 
+        // use resource for file handling
+        typeMapping.put("file", "org.springframework.core.io.Resource");
+
+
         languageSpecificPrimitives.addAll(Arrays.asList(
                 "Any",
                 "Byte",
@@ -562,4 +566,33 @@ public class KotlinSpringServerCodegen extends AbstractKotlinCodegen
 
         return m;
     }
+
+    /**
+     * Output the proper model name (capitalized).
+     * In case the name belongs to the TypeSystem it won't be renamed.
+     *
+     * @param name the name of the model
+     * @return capitalized model name
+     */
+    @Override
+    public String toModelName(final String name) {
+        // Allow for explicitly configured spring.*
+        if (name.startsWith("org.springframework.") ) {
+            return name;
+        }
+        return super.toModelName(name);
+    }
+
+    /**
+     * Check the type to see if it needs import the library/module/package
+     *
+     * @param type name of the type
+     * @return true if the library/module/package of the corresponding type needs to be imported
+     */
+    @Override
+    protected boolean needToImport(String type) {
+        // provides extra protection against improperly trying to import language primitives and java types
+        boolean imports = !type.startsWith("org.springframework.") && super.needToImport(type);
+        return imports;
+    }
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/NodeJSFastifyServerCodegen.java

@@ -0,0 +1,153 @@
+/*
+ * Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.openapitools.codegen.languages;
+
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.info.Info;
+import org.openapitools.codegen.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.*;
+
+public class NodeJSFastifyServerCodegen extends DefaultCodegen implements CodegenConfig {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(NodeJSServerCodegen.class);
+
+    protected String projectName = "openapi-server";
+
+    public NodeJSFastifyServerCodegen() {
+        super();
+
+        outputFolder = "generated-code/nodejs-fastify";
+
+        modelTemplateFiles.clear();
+        apiTemplateFiles.clear();
+
+        embeddedTemplateDir = templateDir = "nodejs-fastify";
+
+        setReservedWordsLowerCase(
+                Arrays.asList(
+                        "break", "case", "class", "catch", "const", "continue", "debugger",
+                        "default", "delete", "do", "else", "export", "extends", "finally",
+                        "for", "function", "if", "import", "in", "instanceof", "let", "new",
+                        "return", "super", "switch", "this", "throw", "try", "typeof", "var",
+                        "void", "while", "with", "yield")
+        );
+
+        supportingFiles.add(new SupportingFile("index.mustache", "", "index.js"));
+        supportingFiles.add(new SupportingFile("readme.mustache", "", "README.md"));
+        supportingFiles.add(new SupportingFile("openapi.mustache", "", "openapi.json"));
+        supportingFiles.add(new SupportingFile("package.mustache", "", "package.json"));
+
+    }
+
+    /**
+     * Configures the type of generator.
+     *
+     * @return the CodegenType for this generator
+     * @see org.openapitools.codegen.CodegenType
+     */
+    @Override
+    public CodegenType getTag() {
+        return CodegenType.SERVER;
+    }
+
+    /**
+     * Configures a friendly name for the generator.  This will be used by the generator
+     * to select the library with the -g flag.
+     *
+     * @return the friendly name for the generator
+     */
+    @Override
+    public String getName() {
+        return "nodejs-fastify-server";
+    }
+
+    /**
+     * Returns human-friendly help for the generator.  Provide the consumer with help
+     * tips, parameters here
+     *
+     * @return A string value for the help message
+     */
+    @Override
+    public String getHelp() {
+        return "Generates a NodeJS Fastify server library";
+    }
+
+    @Override
+    public void processOpts() {
+        super.processOpts();
+
+        writeOptional(outputFolder, new SupportingFile("service.mustache", "", "service.js"));
+    }
+
+    @Override
+    public Map<String, Object> postProcessSupportingFileData(Map<String, Object> objs) {
+        generateJSONSpecFile(objs);
+
+        return super.postProcessSupportingFileData(objs);
+    }
+
+    @Override
+    public void preprocessOpenAPI(OpenAPI openAPI) {
+
+        if (openAPI.getInfo() != null) {
+            Info info = openAPI.getInfo();
+            if (info.getTitle() != null) {
+                // when info.title is defined, use it for projectName
+                // used in package.json
+                projectName = info.getTitle()
+                        .replaceAll("[^a-zA-Z0-9]", "-")
+                        .replaceAll("^[-]*", "")
+                        .replaceAll("[-]*$", "")
+                        .replaceAll("[-]{2,}", "-")
+                        .toLowerCase(Locale.ROOT);
+            }
+        }
+
+        this.additionalProperties.put("projectName", projectName);
+
+    }
+
+    /**
+     * Escapes a reserved word as defined in the `reservedWords` array. Handle escaping
+     * those terms here.  This logic is only called if a variable matches the reserved words
+     *
+     * @return the escaped term
+     */
+    @Override
+    public String escapeReservedWord(String name) {
+        if (this.reservedWordsMappings().containsKey(name)) {
+            return this.reservedWordsMappings().get(name);
+        }
+        return "_" + name;
+    }
+
+    @Override
+    public String escapeUnsafeCharacters(String input) {
+        return input.replace("*/", "*_/").replace("/*", "/_*");
+    }
+
+    @Override
+    public String escapeQuotationMark(String input) {
+        // remove " to avoid code injection
+        return input.replace("\"", "");
+    }
+
+
+}

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/NodeJSServerCodegen.java

@@ -38,6 +38,8 @@ import java.util.*;
 import java.util.Map.Entry;
 import java.util.regex.Pattern;
 
+import static org.openapitools.codegen.utils.StringUtils.*;
+
 public class NodeJSServerCodegen extends DefaultCodegen implements CodegenConfig {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(NodeJSServerCodegen.class);
@@ -160,7 +162,7 @@ public class NodeJSServerCodegen extends DefaultCodegen implements CodegenConfig
         if (name.length() == 0) {
             return "DefaultController";
         }
-        return initialCaps(name);
+        return camelize(name);
     }
 
     @Override

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PhpSlimServerCodegen.java

@@ -30,6 +30,8 @@ import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
 import java.util.*;
 
+import static org.openapitools.codegen.utils.StringUtils.*;
+
 public class PhpSlimServerCodegen extends AbstractPhpCodegen {
     private static final Logger LOGGER = LoggerFactory.getLogger(PhpSlimServerCodegen.class);
 
@@ -175,7 +177,7 @@ public class PhpSlimServerCodegen extends AbstractPhpCodegen {
         if (name.length() == 0) {
             return toAbstractName("DefaultApi");
         }
-        return toAbstractName(initialCaps(name) + "Api");
+        return toAbstractName(camelize(name) + "Api");
     }
 
     @Override
@@ -183,7 +185,7 @@ public class PhpSlimServerCodegen extends AbstractPhpCodegen {
         if (name.length() == 0) {
             return "DefaultApiTest";
         }
-        return initialCaps(name) + "ApiTest";
+        return camelize(name) + "ApiTest";
     }
 
     /**

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonAbstractConnexionServerCodegen.java

@@ -324,10 +324,10 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
                 // Fix path parameters to be in snake_case
                 if (pathname.contains("{")) {
                     String fixedPath = new String();
-                    for (String token: pathname.substring(1).split("/")) {
+                    for (String token : pathname.substring(1).split("/")) {
                         if (token.startsWith("{")) {
-                            String snake_case_token = "{" + this.toParamName(token.substring(1, token.length()-1)) + "}";
-                            if(!token.equals(snake_case_token)) {
+                            String snake_case_token = "{" + this.toParamName(token.substring(1, token.length() - 1)) + "}";
+                            if (!token.equals(snake_case_token)) {
                                 token = snake_case_token;
                             }
                         }
@@ -336,6 +336,7 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
                     if (!fixedPath.equals(pathname)) {
                         LOGGER.warn("Path '" + pathname + "' is not consistant with Python variable names. It will be replaced by '" + fixedPath + "'");
                         paths.remove(pathname);
+                        path.addExtension("x-python-connexion-openapi-name", pathname);
                         paths.put(fixedPath, path);
                     }
                 }
@@ -359,11 +360,12 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
                             );
                         }
                         if (operation.getParameters() != null) {
-                            for (Parameter parameter: operation.getParameters()) {
+                            for (Parameter parameter : operation.getParameters()) {
                                 String swaggerParameterName = parameter.getName();
                                 String pythonParameterName = this.toParamName(swaggerParameterName);
                                 if (!swaggerParameterName.equals(pythonParameterName)) {
                                     LOGGER.warn("Parameter name '" + swaggerParameterName + "' is not consistant with Python variable names. It will be replaced by '" + pythonParameterName + "'");
+                                    parameter.addExtension("x-python-connexion-openapi-name", swaggerParameterName);
                                     parameter.setName(pythonParameterName);
                                 }
                                 if (swaggerParameterName.isEmpty()) {
@@ -377,8 +379,7 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
                                 String bodyParameterName = "body";
                                 if (operation.getExtensions() != null && operation.getExtensions().containsKey("x-codegen-request-body-name")) {
                                     bodyParameterName = (String) operation.getExtensions().get("x-codegen-request-body-name");
-                                }
-                                else {
+                                } else {
                                     // Used by code generator
                                     operation.addExtension("x-codegen-request-body-name", bodyParameterName);
                                 }
@@ -392,7 +393,7 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
             // Sort path names after variable name fix
             List<String> fixedPathnames = new ArrayList(paths.keySet());
             Collections.sort(fixedPathnames);
-            for (String pathname: fixedPathnames) {
+            for (String pathname : fixedPathnames) {
                 PathItem pathItem = paths.remove(pathname);
                 paths.put(pathname, pathItem);
             }
@@ -401,7 +402,7 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
     }
 
     private void addSecurityExtension(SecurityScheme securityScheme, String extensionName, String functionName) {
-        if (securityScheme.getExtensions() == null || ! securityScheme.getExtensions().containsKey(extensionName)) {
+        if (securityScheme.getExtensions() == null || !securityScheme.getExtensions().containsKey(extensionName)) {
             securityScheme.addExtension(extensionName, functionName);
         }
     }
@@ -410,18 +411,17 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
         Components components = openAPI.getComponents();
         if (components != null && components.getSecuritySchemes() != null) {
             Map<String, SecurityScheme> securitySchemes = components.getSecuritySchemes();
-            for(String securityName: securitySchemes.keySet()) {
+            for (String securityName : securitySchemes.keySet()) {
                 SecurityScheme securityScheme = securitySchemes.get(securityName);
                 String baseFunctionName = controllerPackage + ".security_controller_.";
-                switch(securityScheme.getType()) {
+                switch (securityScheme.getType()) {
                     case APIKEY:
                         addSecurityExtension(securityScheme, "x-apikeyInfoFunc", baseFunctionName + "info_from_" + securityName);
                         break;
                     case HTTP:
                         if ("basic".equals(securityScheme.getScheme())) {
                             addSecurityExtension(securityScheme, "x-basicInfoFunc", baseFunctionName + "info_from_" + securityName);
-                        }
-                        else if ("bearer".equals(securityScheme.getScheme())) {
+                        } else if ("bearer".equals(securityScheme.getScheme())) {
                             addSecurityExtension(securityScheme, "x-bearerInfoFunc", baseFunctionName + "info_from_" + securityName);
                         }
                         break;
@@ -474,6 +474,68 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
 
     @Override
     public Map<String, Object> postProcessSupportingFileData(Map<String, Object> objs) {
+        // XXX - Revert the original parameter (and path) names to make sure we have
+        //       a consistent REST interface across other server/client languages:
+        //
+        // XXX - Reverts `x-python-connexion-openapi-name` back to the original (query/path) parameter name.
+        //       We do not want to have our REST API itself being converted to pythonic params.
+        //       This would be incompatible with other server implementations.
+        OpenAPI openAPI = (OpenAPI) objs.get("openAPI");
+        Map<String, PathItem> paths = openAPI.getPaths();
+        if (paths != null) {
+            List<String> pathnames = new ArrayList(paths.keySet());
+            for (String pythonPathname : pathnames) {
+                PathItem path = paths.get(pythonPathname);
+
+                // Fix path parameters back to original casing
+                Map<String, Object> pathExtensions = path.getExtensions();
+                if (pathExtensions != null) {
+                    // Get and remove the (temporary) vendor extension
+                    String openapiPathname = (String) pathExtensions.remove("x-python-connexion-openapi-name");
+                    if (openapiPathname != null && openapiPathname != pythonPathname) {
+                        LOGGER.info("Path '" + pythonPathname + "' is not consistant with the original OpenAPI definition. It will be replaced back by '" + openapiPathname + "'");
+                        paths.remove(pythonPathname);
+                        paths.put(openapiPathname, path);
+                    }
+                }
+
+                Map<HttpMethod, Operation> operationMap = path.readOperationsMap();
+                if (operationMap != null) {
+                    for (HttpMethod method : operationMap.keySet()) {
+                        Operation operation = operationMap.get(method);
+                        if (operation.getParameters() != null) {
+                            for (Parameter parameter : operation.getParameters()) {
+                                Map<String, Object> parameterExtensions = parameter.getExtensions();
+                                if (parameterExtensions != null) {
+                                    // Get and remove the (temporary) vendor extension
+                                    String swaggerParameterName = (String) parameterExtensions.remove("x-python-connexion-openapi-name");
+                                    if (swaggerParameterName != null) {
+                                        String pythonParameterName = parameter.getName();
+                                        if (swaggerParameterName != pythonParameterName) {
+                                            LOGGER.info("Reverting name of parameter '" + pythonParameterName + "' of operation '" + operation.getOperationId() + "' back to '" + swaggerParameterName + "'");
+                                            parameter.setName(swaggerParameterName);
+                                        } else {
+                                            LOGGER.debug("Name of parameter '" + pythonParameterName + "' of operation '" + operation.getOperationId() + "' was unchanged.");
+                                        }
+                                    } else {
+                                        LOGGER.debug("x-python-connexion-openapi-name was not set on parameter '" + parameter.getName() + "' of operation '" + operation.getOperationId() + "'");
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+
+            // Sort path names after variable name fix
+            List<String> recoveredPathnames = new ArrayList(paths.keySet());
+            Collections.sort(recoveredPathnames);
+            for (String pathname : recoveredPathnames) {
+                PathItem pathItem = paths.remove(pathname);
+                paths.put(pathname, pathItem);
+            }
+        }
+
         generateYAMLSpecFile(objs);
 
         for (Map<String, Object> operations : getOperations(objs)) {
@@ -581,6 +643,7 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
 
     /**
      * Return the default value of the property
+     *
      * @param p OpenAPI property object
      * @return string presentation of the default value of the property
      */
@@ -691,8 +754,7 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
         if (example == null) {
             if (Boolean.TRUE.equals(p.isListContainer)) {
                 example = "[]";
-            }
-            else {
+            } else {
                 example = "None";
             }
         } else if (Boolean.TRUE.equals(p.isListContainer)) {
@@ -799,7 +861,7 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
         for (CodegenOperation operation : operationList) {
             Map<String, String> skipTests = new HashMap<>();
             // Set flag to deactivate tests due to connexion issue.
-            if (operation.consumes != null ) {
+            if (operation.consumes != null) {
                 if (operation.consumes.size() == 1) {
                     Map<String, String> consume = operation.consumes.get(0);
                     if (!("application/json".equals(consume.get(MEDIA_TYPE))
@@ -810,8 +872,7 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
                         }
                     }
                     operation.vendorExtensions.put("x-prefered-consume", consume);
-                }
-                else if (operation.consumes.size() > 1) {
+                } else if (operation.consumes.size() > 1) {
                     Map<String, String> consume = operation.consumes.get(0);
                     skipTests.put("reason", "Connexion does not support multiple consummes. See https://github.com/zalando/connexion/pull/760");
                     operation.vendorExtensions.put("x-prefered-consume", consume);
@@ -819,8 +880,7 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
                         operation.isMultipart = Boolean.TRUE;
                     }
                 }
-            }
-            else {
+            } else {
                 // A body without consumes means '*/*' has been used instead of application/json
                 if (operation.bodyParam != null) {
                     Map<String, String> consume = new HashMap<>();
@@ -830,19 +890,19 @@ public class PythonAbstractConnexionServerCodegen extends DefaultCodegen impleme
                 }
             }
             // Choose to consume 'application/json' if available, else choose the last one.
-            if (operation.produces != null ) {
-                for (Map<String, String> produce: operation.produces) {
+            if (operation.produces != null) {
+                for (Map<String, String> produce : operation.produces) {
                     operation.vendorExtensions.put("x-prefered-produce", produce);
                     if (produce.get(MEDIA_TYPE).equals("application/json")) {
                         break;
                     }
                 }
             }
-            if (! skipTests.isEmpty()) {
+            if (!skipTests.isEmpty()) {
                 operation.vendorExtensions.put("x-skip-test", skipTests);
             }
             if (operation.requestBodyExamples != null) {
-                for (Map<String, String> example: operation.requestBodyExamples) {
+                for (Map<String, String> example : operation.requestBodyExamples) {
                     if (example.get("contentType") != null && example.get("contentType").equals("application/json")) {
                         operation.bodyParam.example = example.get("example");
                     }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonClientCodegen.java

@@ -238,6 +238,7 @@ public class PythonClientCodegen extends DefaultCodegen implements CodegenConfig
         supportingFiles.add(new SupportingFile("__init__package.mustache", packagePath(), "__init__.py"));
         supportingFiles.add(new SupportingFile("__init__model.mustache", packagePath() + File.separatorChar + modelPackage, "__init__.py"));
         supportingFiles.add(new SupportingFile("__init__api.mustache", packagePath() + File.separatorChar + apiPackage, "__init__.py"));
+        supportingFiles.add(new SupportingFile("exceptions.mustache", packagePath(), "exceptions.py"));
 
         if (Boolean.FALSE.equals(excludeTests)) {
             supportingFiles.add(new SupportingFile("__init__test.mustache", testFolder, "__init__.py"));

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/RClientCodegen.java

@@ -539,6 +539,7 @@ public class RClientCodegen extends DefaultCodegen implements CodegenConfig {
 
     /**
      * Return the default value of the property
+     *
      * @param p OpenAPI property object
      * @return string presentation of the default value of the property
      */
@@ -581,7 +582,7 @@ public class RClientCodegen extends DefaultCodegen implements CodegenConfig {
 
     @Override
     public String apiTestFileFolder() {
-        return outputFolder + File.separator + testFolder; 
+        return outputFolder + File.separator + testFolder;
     }
 
     @Override
@@ -598,4 +599,88 @@ public class RClientCodegen extends DefaultCodegen implements CodegenConfig {
     public String toModelTestFilename(String name) {
         return "test_" + toModelFilename(name);
     }
-}
+
+    @Override
+    public Map<String, Object> postProcessOperationsWithModels(Map<String, Object> objs, List<Object> allModels) {
+        Map<String, Object> objectMap = (Map<String, Object>) objs.get("operations");
+
+        HashMap<String, CodegenModel> modelMaps = new HashMap<String, CodegenModel>();
+        for (Object o : allModels) {
+            HashMap<String, Object> h = (HashMap<String, Object>) o;
+            CodegenModel m = (CodegenModel) h.get("model");
+            modelMaps.put(m.classname, m);
+        }
+
+        List<CodegenOperation> operations = (List<CodegenOperation>) objectMap.get("operation");
+        for (CodegenOperation operation : operations) {
+            for (CodegenParameter cp : operation.allParams) {
+                cp.vendorExtensions.put("x-r-example", constructExampleCode(cp, modelMaps));
+            }
+        }
+        return objs;
+    }
+
+    public String constructExampleCode(CodegenParameter codegenParameter, HashMap<String, CodegenModel> modelMaps) {
+        if (codegenParameter.isListContainer) { // array
+            return "list(" + constructExampleCode(codegenParameter.items, modelMaps) + ")";
+        } else if (codegenParameter.isMapContainer) { // TODO: map
+            return "TODO";
+        } else if (languageSpecificPrimitives.contains(codegenParameter.dataType)) { // primitive type
+            if ("character".equals(codegenParameter.dataType)) {
+                return codegenParameter.example;
+            } else {
+                return codegenParameter.example;
+            }
+        } else { // model
+            // look up the model
+            if (modelMaps.containsKey(codegenParameter.dataType)) {
+                return constructExampleCode(modelMaps.get(codegenParameter.dataType), modelMaps);
+            } else {
+                LOGGER.error("Error in constructing examples. Failed to look up the model " + codegenParameter.dataType);
+                return "TODO";
+            }
+        }
+    }
+
+    public String constructExampleCode(CodegenProperty codegenProperty, HashMap<String, CodegenModel> modelMaps) {
+        if (codegenProperty.isListContainer) { // array
+            return "list(" + constructExampleCode(codegenProperty.items, modelMaps) + ")";
+        } else if (codegenProperty.isMapContainer) { // TODO: map
+            return "TODO";
+        } else if (languageSpecificPrimitives.contains(codegenProperty.dataType)) { // primitive type
+            if ("character".equals(codegenProperty.dataType)) {
+                if (StringUtils.isEmpty(codegenProperty.example)) {
+                    return "\"" + codegenProperty.example + "\"";
+                } else {
+                    return "\"" + codegenProperty.name + "_example\"";
+                }
+            } else { // numeric
+                if (StringUtils.isEmpty(codegenProperty.example)) {
+                    return codegenProperty.example;
+                } else {
+                    return "123";
+                }
+            }
+        } else {
+            // look up the model
+            if (modelMaps.containsKey(codegenProperty.dataType)) {
+                return constructExampleCode(modelMaps.get(codegenProperty.dataType), modelMaps);
+            } else {
+                LOGGER.error("Error in constructing examples. Failed to look up the model " + codegenProperty.dataType);
+                return "TODO";
+            }
+        }
+    }
+
+    public String constructExampleCode(CodegenModel codegenModel, HashMap<String, CodegenModel> modelMaps) {
+        String example;
+        example = codegenModel.name + "$new(";
+        List<String> propertyExamples = new ArrayList<>();
+        for (CodegenProperty codegenProperty : codegenModel.vars) {
+            propertyExamples.add(constructExampleCode(codegenProperty, modelMaps));
+        }
+        example += StringUtils.join(propertyExamples, ", ");
+        example += ")";
+        return example;
+    }
+}

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/RustServerCodegen.java

@@ -732,6 +732,14 @@ public class RustServerCodegen extends DefaultCodegen implements CodegenConfig {
                 }
                 header.nameInCamelCase = toModelName(header.baseName);
             }
+
+            if (op.authMethods != null) {
+                for (CodegenSecurity s : op.authMethods) {
+                    if (s.isApiKey && s.isKeyInHeader) {
+                        s.vendorExtensions.put("x-apiKeyName", toModelName(s.keyParamName));
+                    }
+                }
+            }
         }
 
         return objs;

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaAkkaClientCodegen.java

@@ -49,13 +49,7 @@ public class ScalaAkkaClientCodegen extends AbstractScalaCodegen implements Code
     protected boolean registerNonStandardStatusCodes = true;
     protected boolean renderJavadoc = true;
     protected boolean removeOAuthSecurities = true;
-    /**
-     * If set to true, only the default response (the one with le lowest 2XX code) will be considered as a success, and all
-     * others as ApiErrors.
-     * If set to false, all responses defined in the model will be considered as a success upon reception. Only http errors,
-     * unmarshalling problems and any other RuntimeException will be considered as ApiErrors.
-     */
-    protected boolean onlyOneSuccess = true;
+
 
     @SuppressWarnings("hiding")
     protected Logger LOGGER = LoggerFactory.getLogger(ScalaAkkaClientCodegen.class);
@@ -92,7 +86,6 @@ public class ScalaAkkaClientCodegen extends AbstractScalaCodegen implements Code
         additionalProperties.put("fnCapitalize", new CapitalizeLambda());
         additionalProperties.put("fnCamelize", new CamelizeLambda(false));
         additionalProperties.put("fnEnumEntry", new EnumEntryLambda());
-        additionalProperties.put("onlyOneSuccess", onlyOneSuccess);
         additionalProperties.put("mainPackage", mainPackage);
 
         importMapping.remove("Seq");
@@ -235,16 +228,6 @@ public class ScalaAkkaClientCodegen extends AbstractScalaCodegen implements Code
         return codegenSecurities;
     }
 
-    @Override
-    public String toOperationId(String operationId) {
-        // throw exception if method name is empty
-        if (StringUtils.isEmpty(operationId)) {
-            throw new RuntimeException("Empty method name (operationId) not allowed");
-        }
-
-        return super.toOperationId(CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, operationId));
-    }
-
     @Override
     public String toParamName(String name) {
         return formatIdentifier(name, false);

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaPlayFrameworkServerCodegen.java

@@ -0,0 +1,417 @@
+/*
+ * Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.openapitools.codegen.languages;
+
+import com.google.common.collect.ImmutableMap;
+import com.samskivert.mustache.Mustache;
+import io.swagger.v3.oas.models.media.ArraySchema;
+import io.swagger.v3.oas.models.media.Schema;
+import org.openapitools.codegen.*;
+import org.openapitools.codegen.mustache.*;
+import org.openapitools.codegen.utils.ModelUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+import static org.apache.commons.lang3.StringUtils.rightPad;
+import static org.openapitools.codegen.utils.StringUtils.camelize;
+
+public class ScalaPlayFrameworkServerCodegen extends AbstractScalaCodegen implements CodegenConfig {
+    public static final String TITLE = "title";
+    public static final String SKIP_STUBS = "skipStubs";
+    public static final String SUPPORT_ASYNC = "supportAsync";
+    public static final String GENERATE_CUSTOM_EXCEPTIONS = "generateCustomExceptions";
+    public static final String USE_SWAGGER_UI = "useSwaggerUI";
+    public static final String ROUTES_FILE_NAME = "routesFileName";
+    public static final String BASE_PACKAGE = "basePackage";
+
+    static Logger LOGGER = LoggerFactory.getLogger(ScalaPlayFrameworkServerCodegen.class);
+
+    protected boolean skipStubs = false;
+    protected boolean supportAsync = false;
+    protected boolean generateCustomExceptions = true;
+    protected boolean useSwaggerUI = true;
+    protected String routesFileName = "routes";
+    protected String basePackage = "org.openapitools";
+
+    public ScalaPlayFrameworkServerCodegen() {
+        super();
+        outputFolder = "generated-code" + File.separator + "scala-play-server";
+        modelTemplateFiles.put("model.mustache", ".scala");
+        apiTemplateFiles.put("api.mustache", ".scala");
+        embeddedTemplateDir = templateDir = "scala-play-server";
+        hideGenerationTimestamp = false;
+        sourceFolder = "app";
+        apiPackage = "api";
+        modelPackage = "model";
+
+        instantiationTypes.put("map", "Map");
+        instantiationTypes.put("array", "List");
+
+        typeMapping.put("DateTime", "OffsetDateTime");
+        typeMapping.put("Date", "LocalDate");
+        typeMapping.put("Integer", "Int");
+        typeMapping.put("binary", "Array[Byte]");
+        typeMapping.put("ByteArray", "Array[Byte]");
+        typeMapping.put("object", "JsObject");
+        typeMapping.put("file", "TemporaryFile");
+
+        importMapping.put("OffsetDateTime", "java.time.OffsetDateTime");
+        importMapping.put("LocalDate", "java.time.LocalDate");
+        importMapping.remove("BigDecimal");
+        importMapping.put("TemporaryFile", "play.api.libs.Files.TemporaryFile");
+
+        cliOptions.add(new CliOption(ROUTES_FILE_NAME, "Name of the routes file to generate.").defaultValue(routesFileName));
+        cliOptions.add(new CliOption(ROUTES_FILE_NAME, "Base package in which supporting classes are generated.").defaultValue(basePackage));
+
+        addCliOptionWithDefault(SKIP_STUBS, "If set, skips generation of stub classes.", skipStubs);
+        addCliOptionWithDefault(SUPPORT_ASYNC, "If set, wraps API return types with Futures and generates async actions.", supportAsync);
+        addCliOptionWithDefault(GENERATE_CUSTOM_EXCEPTIONS, "If set, generates custom exception types.", generateCustomExceptions);
+        addCliOptionWithDefault(USE_SWAGGER_UI, "Add a route to /api which show your documentation in swagger-ui. Will also import needed dependencies", useSwaggerUI);
+    }
+
+    public CodegenType getTag() {
+        return CodegenType.SERVER;
+    }
+
+    public String getName() {
+        return "scala-play-server";
+    }
+
+    public String getHelp() {
+        return "Generates a Scala server application (beta) with Play Framework.";
+    }
+
+    public void setSupportAsync(boolean supportAsync) {
+        this.supportAsync = supportAsync;
+    }
+
+    public void setSkipStubs(boolean skipStubs) {
+        this.skipStubs = skipStubs;
+    }
+
+    public void setGenerateCustomExceptions(boolean generateCustomExceptions) {
+        this.generateCustomExceptions = generateCustomExceptions;
+    }
+
+    public void setRoutesFileName(String routesFileName) {
+        this.routesFileName = routesFileName;
+    }
+
+    public void setBasePackage(String basePackage) {
+        this.basePackage = basePackage;
+    }
+
+    public void setUseSwaggerUI(boolean useSwaggerUI) {
+        this.useSwaggerUI = useSwaggerUI;
+    }
+
+    @Override
+    public void processOpts() {
+        super.processOpts();
+
+        if (additionalProperties.containsKey(SKIP_STUBS)) {
+            this.setSkipStubs(convertPropertyToBoolean(SKIP_STUBS));
+        }
+        writePropertyBack(SKIP_STUBS, skipStubs);
+
+        if (additionalProperties.containsKey(SUPPORT_ASYNC)) {
+            this.setSupportAsync(convertPropertyToBoolean(SUPPORT_ASYNC));
+        }
+        writePropertyBack(SUPPORT_ASYNC, supportAsync);
+
+        if (additionalProperties.containsKey(GENERATE_CUSTOM_EXCEPTIONS)) {
+            this.setGenerateCustomExceptions(convertPropertyToBoolean(GENERATE_CUSTOM_EXCEPTIONS));
+        }
+        writePropertyBack(GENERATE_CUSTOM_EXCEPTIONS, generateCustomExceptions);
+
+        if (additionalProperties.containsKey(USE_SWAGGER_UI)) {
+            this.setUseSwaggerUI(convertPropertyToBoolean(USE_SWAGGER_UI));
+        }
+        writePropertyBack(USE_SWAGGER_UI, useSwaggerUI);
+
+        if (additionalProperties.containsKey(ROUTES_FILE_NAME)) {
+            this.setRoutesFileName((String) additionalProperties.get(ROUTES_FILE_NAME));
+        } else {
+            additionalProperties.put(ROUTES_FILE_NAME, routesFileName);
+        }
+
+        if (additionalProperties.containsKey(BASE_PACKAGE)) {
+            this.setBasePackage((String) additionalProperties.get(BASE_PACKAGE));
+        } else {
+            additionalProperties.put(BASE_PACKAGE, basePackage);
+        }
+
+        apiTemplateFiles.remove("api.mustache");
+
+        if (!skipStubs) {
+            apiTemplateFiles.put("app/apiImplStubs.scala.mustache", "Impl.scala");
+        }
+
+        apiTemplateFiles.put("app/apiTrait.scala.mustache", ".scala");
+        apiTemplateFiles.put("app/apiController.scala.mustache", "Controller.scala");
+
+        supportingFiles.add(new SupportingFile("README.md.mustache", "", "README.md"));
+        supportingFiles.add(new SupportingFile("build.sbt.mustache", "", "build.sbt"));
+        supportingFiles.add(new SupportingFile("conf/application.conf.mustache", "conf", "application.conf"));
+        supportingFiles.add(new SupportingFile("conf/logback.xml.mustache", "conf", "logback.xml"));
+        supportingFiles.add(new SupportingFile("project/build.properties.mustache", "project", "build.properties"));
+        supportingFiles.add(new SupportingFile("project/plugins.sbt.mustache", "project", "plugins.sbt"));
+        supportingFiles.add(new SupportingFile("conf/routes.mustache", "conf", routesFileName));
+        supportingFiles.add(new SupportingFile("app/module.scala.mustache", getBasePackagePath(), "Module.scala"));
+        supportingFiles.add(new SupportingFile("app/errorHandler.scala.mustache", getBasePackagePath(), "ErrorHandler.scala"));
+
+        if (generateCustomExceptions) {
+            supportingFiles.add(new SupportingFile("app/exceptions.scala.mustache", getBasePackagePath(), "OpenApiExceptions.scala"));
+        }
+
+        if (this.useSwaggerUI) {
+            //App/Controllers
+            supportingFiles.add(new SupportingFile("public/openapi.json.mustache", "public", "openapi.json"));
+            supportingFiles.add(new SupportingFile("app/apiDocController.scala.mustache", String.format(Locale.ROOT, "app/%s", apiPackage.replace(".", File.separator)), "ApiDocController.scala"));
+        }
+        addMustacheLambdas(additionalProperties);
+    }
+
+    private void addMustacheLambdas(Map<String, Object> objs) {
+        Map<String, Mustache.Lambda> lambdas = new ImmutableMap.Builder<String, Mustache.Lambda>()
+                .put("indented_4", new IndentedLambda(4, " "))
+                .put("indented_8", new IndentedLambda(8, " "))
+                .build();
+        objs.put("lambda", lambdas);
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public Map<String, Object> postProcessOperationsWithModels(Map<String, Object> objs, List<Object> allModels) {
+        Map<String, CodegenModel> models = new HashMap<>();
+
+        for (Object _mo : allModels) {
+            CodegenModel model = (CodegenModel) ((Map<String, Object>) _mo).get("model");
+            models.put(model.classname, model);
+        }
+
+        Map<String, Object> operations = (Map<String, Object>) objs.get("operations");
+        if (operations != null) {
+            List<CodegenOperation> ops = (List<CodegenOperation>) operations.get("operation");
+            for (CodegenOperation operation : ops) {
+                Pattern pathVariableMatcher = Pattern.compile("\\{([^}]+)}");
+                Matcher match = pathVariableMatcher.matcher(operation.path);
+                while (match.find()) {
+                    String completeMatch = match.group();
+                    String replacement = ":" + camelize(match.group(1), true);
+                    operation.path = operation.path.replace(completeMatch, replacement);
+                }
+
+                if ("null".equals(operation.defaultResponse) && models.containsKey(operation.returnType)) {
+                    operation.defaultResponse = models.get(operation.returnType).defaultValue;
+                }
+            }
+        }
+
+        return objs;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public Map<String, Object> postProcessAllModels(Map<String, Object> objs) {
+        objs = super.postProcessAllModels(objs);
+        Map<String, CodegenModel> modelsByClassName = new HashMap<>();
+
+        for (Object _outer : objs.values()) {
+            Map<String, Object> outer = (Map<String, Object>) _outer;
+            List<Map<String, Object>> models = (List<Map<String, Object>>) outer.get("models");
+
+            for (Map<String, Object> mo : models) {
+                CodegenModel cm = (CodegenModel) mo.get("model");
+                postProcessModelsEnum(outer);
+                cm.classVarName = camelize(cm.classVarName, true);
+                modelsByClassName.put(cm.classname, cm);
+                boolean hasFiles = cm.vars.stream().anyMatch(var -> var.isFile);
+                cm.vendorExtensions.put("hasFiles", hasFiles);
+            }
+        }
+
+        for (CodegenModel model : modelsByClassName.values()) {
+            model.defaultValue = generateModelDefaultValue(model, modelsByClassName);
+        }
+
+        return objs;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public Map<String, Object> postProcessSupportingFileData(Map<String, Object> objs) {
+        objs = super.postProcessSupportingFileData(objs);
+        generateJSONSpecFile(objs);
+
+        // Prettify routes file
+        Map<String, Object> apiInfo = (Map<String, Object>) objs.get("apiInfo");
+        List<Map<String, Object>> apis = (List<Map<String, Object>>) apiInfo.get("apis");
+        List<CodegenOperation> ops = apis.stream()
+                .map(api -> (Map<String, Object>) api.get("operations"))
+                .flatMap(operations -> ((List<CodegenOperation>) operations.get("operation")).stream())
+                .collect(Collectors.toList());
+        int maxPathLength = ops.stream()
+                .mapToInt(op -> op.httpMethod.length() + op.path.length())
+                .reduce(0, Integer::max);
+        ops.forEach(op -> op.vendorExtensions.put("paddedPath", rightPad(op.path, maxPathLength - op.httpMethod.length())));
+        ops.forEach(op -> op.vendorExtensions.put("hasPathParams", op.getHasPathParams()));
+
+        return objs;
+    }
+
+    @Override
+    public String getSchemaType(Schema p) {
+        String openAPIType = super.getSchemaType(p);
+        openAPIType = getAlias(openAPIType);
+
+        // don't apply renaming on types from the typeMapping
+        if (typeMapping.containsKey(openAPIType)) {
+            return typeMapping.get(openAPIType);
+        }
+
+        if (null == openAPIType) {
+            LOGGER.error("No Type defined for Schema " + p);
+        }
+        return toModelName(openAPIType);
+    }
+
+    @Override
+    public String toDefaultValue(Schema p) {
+        if (p.getRequired() != null && p.getRequired().contains(p.getName())) {
+            return "None";
+        }
+
+        if (p.getDefault() != null) {
+            return p.getDefault().toString();
+        }
+
+        if (ModelUtils.isBooleanSchema(p)) {
+            return "false";
+        }
+
+        if (ModelUtils.isDateSchema(p)) {
+            return "LocalDate.now";
+        }
+
+        if (ModelUtils.isDateTimeSchema(p)) {
+            return "OffsetDateTime.now";
+        }
+
+        if (ModelUtils.isDoubleSchema(p)) {
+            return "0.0";
+        }
+
+        if (ModelUtils.isFloatSchema(p)) {
+            return "0.0F";
+        }
+
+        if (ModelUtils.isIntegerSchema(p)) {
+            return "0";
+        }
+
+        if (ModelUtils.isLongSchema(p)) {
+            return "0L";
+        }
+
+        if (ModelUtils.isStringSchema(p)) {
+            return "\"\"";
+        }
+
+        if (ModelUtils.isMapSchema(p)) {
+            Schema ap = ModelUtils.getAdditionalProperties(p);
+            String inner = getSchemaType(ap);
+            return "Map.empty[String, " + inner + "]";
+        }
+
+        if (ModelUtils.isArraySchema(p)) {
+            Schema items = ((ArraySchema) p).getItems();
+            String inner = getSchemaType(items);
+            return "List.empty[" + inner + "]";
+        }
+
+        return "null";
+    }
+
+    @Override
+    public String toEnumName(CodegenProperty property) {
+        return camelize(property.name);
+    }
+
+    @Override
+    public String toEnumVarName(String value, String datatype) {
+        if (value.length() == 0) {
+            return "EMPTY";
+        }
+
+        String var = camelize(value.replaceAll("\\W+", "_"));
+        if (var.matches("\\d.*")) {
+            return "_" + var;
+        } else {
+            return var;
+        }
+    }
+
+    private void addCliOptionWithDefault(String name, String description, boolean defaultValue) {
+        cliOptions.add(CliOption.newBoolean(name, description).defaultValue(Boolean.toString(defaultValue)));
+    }
+
+    private String getBasePackagePath() {
+        return String.format(Locale.ROOT, "%s/%s", sourceFolder, basePackage.replace(".", File.separator));
+    }
+
+    private String generateModelDefaultValue(CodegenModel cm, Map<String, CodegenModel> models) {
+        StringBuilder defaultValue = new StringBuilder();
+        defaultValue.append(cm.classname).append('(');
+
+        for (CodegenProperty var : cm.vars) {
+            if (!var.required) {
+                defaultValue.append("None");
+            } else if (models.containsKey(var.dataType)) {
+                defaultValue.append(generateModelDefaultValue(models.get(var.dataType), models));
+            } else if (var.defaultValue != null) {
+                defaultValue.append(var.defaultValue);
+            } else if (var.isEnum) {
+                defaultValue.append(cm.classname).append('.').append(var.enumName).append(".values.head");
+            } else {
+                LOGGER.warn("Unknown default value for var {0} in class {1}", var.name, cm.classname);
+                defaultValue.append("null");
+            }
+
+            if (var.hasMore) {
+                defaultValue.append(", ");
+            }
+        }
+
+        if (cm.isMapModel) {
+            defaultValue.append(", Map.empty");
+        }
+
+        defaultValue.append(')');
+
+        return defaultValue.toString();
+    }
+}

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/Swift3Codegen.java

@@ -443,7 +443,7 @@ public class Swift3Codegen extends DefaultCodegen implements CodegenConfig {
     public String toApiName(String name) {
         if (name.length() == 0)
             return "DefaultAPI";
-        return initialCaps(name) + "API";
+        return camelize(name) + "API";
     }
 
     @Override

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/Swift4Codegen.java

@@ -552,7 +552,7 @@ public class Swift4Codegen extends DefaultCodegen implements CodegenConfig {
         if (name.length() == 0) {
             return "DefaultAPI";
         }
-        return initialCaps(name) + "API";
+        return camelize(name) + "API";
     }
 
     @Override

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/SwiftClientCodegen.java

@@ -434,7 +434,7 @@ public class SwiftClientCodegen extends DefaultCodegen implements CodegenConfig
     public String toApiName(String name) {
         if (name.length() == 0)
             return "DefaultAPI";
-        return initialCaps(name) + "API";
+        return camelize(name) + "API";
     }
 
     @Override

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptAngularClientCodegen.java

@@ -22,11 +22,11 @@ import io.swagger.v3.parser.util.SchemaTypeUtil;
 import org.openapitools.codegen.*;
 import org.openapitools.codegen.utils.ModelUtils;
 import org.openapitools.codegen.utils.SemVer;
+import org.openapitools.codegen.utils.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.File;
-import java.text.SimpleDateFormat;
 import java.util.*;
 
 import static org.openapitools.codegen.utils.StringUtils.*;
@@ -208,9 +208,13 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
             this.setNpmVersion(this.getVersionFromApi());
         }
 
-        if (additionalProperties.containsKey(SNAPSHOT)
-                && Boolean.valueOf(additionalProperties.get(SNAPSHOT).toString())) {
-            this.setNpmVersion(npmVersion + "-SNAPSHOT." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+        if (additionalProperties.containsKey(SNAPSHOT) && Boolean.valueOf(additionalProperties.get(SNAPSHOT).toString())) {
+            if (npmVersion.toUpperCase(Locale.ROOT).matches("^.*-SNAPSHOT$")) {
+                this.setNpmVersion(npmVersion + "." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            }
+            else {
+                this.setNpmVersion(npmVersion + "-SNAPSHOT." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            }
         }
         additionalProperties.put(NPM_VERSION, npmVersion);
 
@@ -445,9 +449,9 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
     /**
      * Finds and returns a path parameter of an operation by its name
      *
-     * @param operation
-     * @param parameterName
-     * @return
+     * @param operation the operation
+     * @param parameterName the name of the parameter
+     * @return param
      */
     private CodegenParameter findPathParameterByName(CodegenOperation operation, String parameterName) {
         for (CodegenParameter param : operation.pathParams) {
@@ -509,7 +513,7 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
         if (name.length() == 0) {
             return "DefaultService";
         }
-        return initialCaps(name) + serviceSuffix;
+        return camelize(name) + serviceSuffix;
     }
 
     @Override
@@ -564,6 +568,7 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
         return toApiFilename(name);
     }
 
+    /*
     private String getModelnameFromModelFilename(String filename) {
         String name = filename.substring((modelPackage() + "/").length());
         // Remove the file suffix and add the class suffix.
@@ -574,6 +579,7 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
         }
         return camelize(name) + modelSuffix;
     }
+    */
 
     @Override
     public String toModelName(String name) {
@@ -654,7 +660,7 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
     /**
      * Returns version from OpenAPI info.
      *
-     * @return
+     * @return version
      */
     private String getVersionFromApi() {
         if (this.openAPI != null && this.openAPI.getInfo() != null) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptAngularJsClientCodegen.java

@@ -74,7 +74,7 @@ public class TypeScriptAngularJsClientCodegen extends AbstractTypeScriptClientCo
     @Override
     public void postProcessParameter(CodegenParameter parameter) {
         super.postProcessParameter(parameter);
-        parameter.dataType = addModelPrefix(parameter.dataType);
+        // parameter.dataType = addModelPrefix(parameter.dataType);
     }
 
     private String getIndexDirectory() {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptAureliaClientCodegen.java

@@ -18,9 +18,12 @@
 package org.openapitools.codegen.languages;
 
 import org.openapitools.codegen.*;
+import org.openapitools.codegen.utils.StringUtils;
 
 import java.util.*;
 
+import static org.openapitools.codegen.utils.StringUtils.*;
+
 public class TypeScriptAureliaClientCodegen extends AbstractTypeScriptClientCodegen {
 
     public static final String NPM_NAME = "npmName";
@@ -104,7 +107,7 @@ public class TypeScriptAureliaClientCodegen extends AbstractTypeScriptClientCode
         List<CodegenOperation> operationList = (List<CodegenOperation>) operations.get("operation");
         for (CodegenOperation op : operationList) {
             // Aurelia uses "asGet", "asPost", ... methods; change the method format
-            op.httpMethod = initialCaps(op.httpMethod.toLowerCase(Locale.ROOT));
+            op.httpMethod = camelize(op.httpMethod.toLowerCase(Locale.ROOT));
 
             // Collect models to be imported
             for (CodegenParameter param : op.allParams) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptAxiosClientCodegen.java

@@ -231,7 +231,12 @@ public class TypeScriptAxiosClientCodegen extends AbstractTypeScriptClientCodege
         }
 
         if (additionalProperties.containsKey(SNAPSHOT) && Boolean.valueOf(additionalProperties.get(SNAPSHOT).toString())) {
-            this.setNpmVersion(npmVersion + "-SNAPSHOT." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            if (npmVersion.toUpperCase(Locale.ROOT).matches("^.*-SNAPSHOT$")) {
+                this.setNpmVersion(npmVersion + "." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            }
+            else {
+                this.setNpmVersion(npmVersion + "-SNAPSHOT." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            }
         }
         additionalProperties.put(NPM_VERSION, npmVersion);
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptFetchClientCodegen.java

@@ -194,7 +194,12 @@ public class TypeScriptFetchClientCodegen extends AbstractTypeScriptClientCodege
         }
 
         if (additionalProperties.containsKey(SNAPSHOT) && Boolean.valueOf(additionalProperties.get(SNAPSHOT).toString())) {
-            this.setNpmVersion(npmVersion + "-SNAPSHOT." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            if (npmVersion.toUpperCase(Locale.ROOT).matches("^.*-SNAPSHOT$")) {
+                this.setNpmVersion(npmVersion + "." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            }
+            else {
+                this.setNpmVersion(npmVersion + "-SNAPSHOT." + SNAPSHOT_SUFFIX_FORMAT.format(new Date()));
+            }
         }
         additionalProperties.put(NPM_VERSION, npmVersion);