add support for jsr310 dates to okhttp-gson client

modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/JSON.mustache

@@ -21,10 +21,17 @@ import java.io.StringReader;
 import java.lang.reflect.Type;
 import java.util.Date;
 
+{{^java8}}
 import org.joda.time.DateTime;
 import org.joda.time.LocalDate;
 import org.joda.time.format.DateTimeFormatter;
 import org.joda.time.format.ISODateTimeFormat;
+{{/java8}}
+{{#java8}}
+import java.time.LocalDate;
+import java.time.OffsetDateTime;
+import java.time.format.DateTimeFormatter;
+{{/java8}}
 
 public class JSON {
     private ApiClient apiClient;
@@ -39,7 +46,12 @@ public class JSON {
         this.apiClient = apiClient;
         gson = new GsonBuilder()
             .registerTypeAdapter(Date.class, new DateAdapter(apiClient))
+            {{^java8}}
             .registerTypeAdapter(DateTime.class, new DateTimeTypeAdapter())
+            {{/java8}}
+            {{#java8}}
+            .registerTypeAdapter(OffsetDateTime.class, new OffsetDateTimeTypeAdapter())
+            {{/java8}}
             .registerTypeAdapter(LocalDate.class, new LocalDateTypeAdapter())
             .create();
     }
@@ -154,6 +166,7 @@ class DateAdapter implements JsonSerializer<Date>, JsonDeserializer<Date> {
     }
 }
 
+{{^java8}}
 /**
  * Gson TypeAdapter for Joda DateTime type
  */
@@ -211,4 +224,67 @@ class LocalDateTypeAdapter extends TypeAdapter<LocalDate> {
         }
     }
 }
-            
+{{/java8}}
+{{#java8}}
+/**
+ * Gson TypeAdapter for jsr310 OffsetDateTime type
+ */
+class OffsetDateTimeTypeAdapter extends TypeAdapter<OffsetDateTime> {
+
+    private final DateTimeFormatter formatter = DateTimeFormatter.ISO_OFFSET_DATE_TIME;
+
+    @Override
+    public void write(JsonWriter out, OffsetDateTime date) throws IOException {
+        if (date == null) {
+            out.nullValue();
+        } else {
+            out.value(formatter.format(date));
+        }
+    }
+
+    @Override
+    public OffsetDateTime read(JsonReader in) throws IOException {
+        switch (in.peek()) {
+            case NULL:
+                in.nextNull();
+                return null;
+            default:
+                String date = in.nextString();
+                if (date.endsWith("+0000")) {
+                    date = date.substring(0, date.length()-5) + "Z";
+                }
+
+                return OffsetDateTime.parse(date, formatter);
+        }
+    }
+}
+
+/**
+ * Gson TypeAdapter for jsr310 LocalDate type
+ */
+class LocalDateTypeAdapter extends TypeAdapter<LocalDate> {
+
+    private final DateTimeFormatter formatter = DateTimeFormatter.ISO_LOCAL_DATE;
+
+    @Override
+    public void write(JsonWriter out, LocalDate date) throws IOException {
+        if (date == null) {
+            out.nullValue();
+        } else {
+            out.value(formatter.format(date));
+        }
+    }
+
+    @Override
+    public LocalDate read(JsonReader in) throws IOException {
+        switch (in.peek()) {
+            case NULL:
+                in.nextNull();
+                return null;
+            default:
+                String date = in.nextString();
+                return LocalDate.parse(date, formatter);
+        }
+    }
+}
+{{/java8}}

modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/build.gradle.mustache

@@ -78,8 +78,8 @@ if(hasProperty('target') && target == 'android') {
     apply plugin: 'java'
     apply plugin: 'maven'
 
-    sourceCompatibility = JavaVersion.VERSION_1_7
-    targetCompatibility = JavaVersion.VERSION_1_7
+    sourceCompatibility = JavaVersion.VERSION_{{^java8}}1_7{{/java8}}{{#java8}}1_8{{/java8}}
+    targetCompatibility = JavaVersion.VERSION_{{^java8}}1_7{{/java8}}{{#java8}}1_8{{/java8}}
 
     install {
         repositories.mavenInstaller {
@@ -98,6 +98,8 @@ dependencies {
     compile 'com.squareup.okhttp:okhttp:2.7.5'
     compile 'com.squareup.okhttp:logging-interceptor:2.7.5'
     compile 'com.google.code.gson:gson:2.6.2'
+    {{^java8}}
     compile 'joda-time:joda-time:2.9.3'
+    {{/java8}}
     testCompile 'junit:junit:4.12'
 }

modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/build.sbt.mustache

@@ -13,7 +13,9 @@ lazy val root = (project in file(".")).
       "com.squareup.okhttp" % "okhttp" % "2.7.5",
       "com.squareup.okhttp" % "logging-interceptor" % "2.7.5",
       "com.google.code.gson" % "gson" % "2.6.2",
+      {{^java8}}
       "joda-time" % "joda-time" % "2.9.3" % "compile",
+      {{/java8}}
       "junit" % "junit" % "4.12" % "test",
       "com.novocode" % "junit-interface" % "0.10" % "test"
     )

modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/pom.mustache

@@ -96,15 +96,6 @@
           </execution>
         </executions>
       </plugin>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <version>2.3.2</version>
-        <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
-        </configuration>
-      </plugin>
     </plugins>
   </build>
   <dependencies>
@@ -128,11 +119,13 @@
       <artifactId>gson</artifactId>
       <version>${gson-version}</version>
     </dependency>
+    {{^java8}}
     <dependency>
       <groupId>joda-time</groupId>
       <artifactId>joda-time</artifactId>
       <version>${jodatime-version}</version>
-  </dependency>
+    </dependency>
+    {{/java8}}
 
     <!-- test dependencies -->
     <dependency>
@@ -143,6 +136,9 @@
     </dependency>
   </dependencies>
   <properties>
+    <java.version>{{#java8}}1.8{{/java8}}{{^java8}}1.7{{/java8}}</java.version>
+    <maven.compiler.source>${java.version}</maven.compiler.source>
+    <maven.compiler.target>${java.version}</maven.compiler.target>
     <swagger-core-version>1.5.9</swagger-core-version>
     <okhttp-version>2.7.5</okhttp-version>
     <gson-version>2.6.2</gson-version>