Java support for application/xml (#5962)

* WIP: CodegenProperty with XML

* WIP: CodegenModel XML bits

* WIP: Jackson XML

* WIP: Java templating

* WIP: Java client withXml flag

* WIP: resttemplate work

* WIP: withXml only when Jackson is used

* WIP: Tabs to spaces

* WIP: java-petstore-resttemplate-withxml sample

* WIP: language: spring

* WIP: language "spring" using library "spring-boot" should include apiPackage in @ComponentScan to detect the API

* WIP: javax.xml for non-Jackson Java and enabled payload logging for jersey2

* WIP: updated java petstore samples

* WIP: JavaSpring with non-jackson XML

* WIP: bin/spring-all-pestore.sh

modules/swagger-codegen/src/main/resources/JavaSpring/libraries/spring-boot/pom.mustache

@@ -55,6 +55,15 @@
             <artifactId>springfox-swagger-ui</artifactId>
             <version>${springfox-version}</version>
         </dependency>
+        {{#withXml}}
+
+        <!-- XML processing: Jackson -->
+        <dependency>
+          <groupId>com.fasterxml.jackson.dataformat</groupId>
+          <artifactId>jackson-dataformat-xml</artifactId>
+        </dependency>
+
+        {{/withXml}}
         {{#java8}}
 
         <dependency>

modules/swagger-codegen/src/main/resources/JavaSpring/libraries/spring-boot/swagger2SpringBoot.mustache

@@ -10,7 +10,7 @@ import springfox.documentation.swagger2.annotations.EnableSwagger2;
 
 @SpringBootApplication
 @EnableSwagger2
-@ComponentScan(basePackages = "{{basePackage}}")
+@ComponentScan(basePackages = { "{{basePackage}}", "{{apiPackage}}" })
 public class Swagger2SpringBoot implements CommandLineRunner {
 
     @Override

modules/swagger-codegen/src/main/resources/JavaSpring/libraries/spring-cloud/pom.mustache

@@ -50,6 +50,15 @@
             <groupId>org.springframework.security.oauth</groupId>
             <artifactId>spring-security-oauth2</artifactId>
         </dependency>
+        {{#withXml}}
+
+        <!-- XML processing: Jackson -->
+        <dependency>
+          <groupId>com.fasterxml.jackson.dataformat</groupId>
+          <artifactId>jackson-dataformat-xml</artifactId>
+        </dependency>
+
+        {{/withXml}}
         {{#java8}}
 
         <dependency>

modules/swagger-codegen/src/main/resources/JavaSpring/libraries/spring-mvc/pom.mustache

@@ -100,6 +100,16 @@
             <version>${springfox-version}</version>
         </dependency>
 
+        {{#withXml}}
+
+        <!-- XML processing: Jackson -->
+        <dependency>
+          <groupId>com.fasterxml.jackson.dataformat</groupId>
+          <artifactId>jackson-dataformat-xml</artifactId>
+          <version>${jackson-version}</version>
+        </dependency>
+
+        {{/withXml}}
         {{#java8}}
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>