diff --git a/modules/swagger-codegen/src/main/resources/Java/build.gradle.mustache b/modules/swagger-codegen/src/main/resources/Java/build.gradle.mustache
index 971dcd816a4..2725cbe1f86 100644
--- a/modules/swagger-codegen/src/main/resources/Java/build.gradle.mustache
+++ b/modules/swagger-codegen/src/main/resources/Java/build.gradle.mustache
@@ -18,72 +18,76 @@ repositories {
 
 if(hasProperty('target') && target == 'android') {
 
-	apply plugin: 'com.android.library'
-	apply plugin: 'com.github.dcendents.android-maven'
-	
-	android {
-	    compileSdkVersion 22
-	    buildToolsVersion '22.0.0'
-	    defaultConfig {
-	        minSdkVersion 14
-	        targetSdkVersion 22
-	    }
-	    compileOptions {
-	        sourceCompatibility JavaVersion.VERSION_1_7
-	        targetCompatibility JavaVersion.VERSION_1_7
-	    }
-	
-	    // Rename the aar correctly
-	    libraryVariants.all { variant ->
-	        variant.outputs.each { output ->
-	            def outputFile = output.outputFile
-	            if (outputFile != null && outputFile.name.endsWith('.aar')) {
-	                def fileName = "${project.name}-${variant.baseName}-${version}.aar"
-	                output.outputFile = new File(outputFile.parent, fileName)
-	            }
-	        }
-	    }
-	}
-	
-	afterEvaluate {
-	    android.libraryVariants.all { variant ->
-	        def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
-	        task.description = "Create jar artifact for ${variant.name}"
-	        task.dependsOn variant.javaCompile
-	        task.from variant.javaCompile.destinationDir
-	        task.destinationDir = project.file("${project.buildDir}/outputs/jar")
-	        task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
-	        artifacts.add('archives', task);
-	    }
-	}
-	
-	task sourcesJar(type: Jar) {
-	    from android.sourceSets.main.java.srcDirs
-	    classifier = 'sources'
-	}
-	
-	artifacts {
-	    archives sourcesJar
-	}
+    apply plugin: 'com.android.library'
+    apply plugin: 'com.github.dcendents.android-maven'
+    
+    android {
+        compileSdkVersion 22
+        buildToolsVersion '22.0.0'
+        defaultConfig {
+            minSdkVersion 14
+            targetSdkVersion 22
+        }
+        compileOptions {
+            sourceCompatibility JavaVersion.VERSION_1_7
+            targetCompatibility JavaVersion.VERSION_1_7
+        }
+    
+        // Rename the aar correctly
+        libraryVariants.all { variant ->
+            variant.outputs.each { output ->
+                def outputFile = output.outputFile
+                if (outputFile != null && outputFile.name.endsWith('.aar')) {
+                    def fileName = "${project.name}-${variant.baseName}-${version}.aar"
+                    output.outputFile = new File(outputFile.parent, fileName)
+                }
+            }
+        }
+
+        dependencies {
+            provided 'javax.annotation:jsr250-api:1.0'
+        }
+    }
+    
+    afterEvaluate {
+        android.libraryVariants.all { variant ->
+            def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
+            task.description = "Create jar artifact for ${variant.name}"
+            task.dependsOn variant.javaCompile
+            task.from variant.javaCompile.destinationDir
+            task.destinationDir = project.file("${project.buildDir}/outputs/jar")
+            task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
+            artifacts.add('archives', task);
+        }
+    }
+    
+    task sourcesJar(type: Jar) {
+        from android.sourceSets.main.java.srcDirs
+        classifier = 'sources'
+    }
+    
+    artifacts {
+        archives sourcesJar
+    }
 
 } else {
 
-	apply plugin: 'java'
-	apply plugin: 'maven'
-	
-	sourceCompatibility = JavaVersion.VERSION_1_7
-	targetCompatibility = JavaVersion.VERSION_1_7
-	
-	install {
-	    repositories.mavenInstaller {
-	        pom.artifactId = '{{artifactId}}'
-	    }
-	}
-	
-	task execute(type:JavaExec) {
-	   main = System.getProperty('mainClass')
-	   classpath = sourceSets.main.runtimeClasspath
-	}
+    apply plugin: 'java'
+    apply plugin: 'maven'
+    
+    sourceCompatibility = JavaVersion.VERSION_1_7
+    targetCompatibility = JavaVersion.VERSION_1_7
+    
+    install {
+        repositories.mavenInstaller {
+            pom.artifactId = '{{artifactId}}'
+        }
+    }
+    
+    task execute(type:JavaExec) {
+       main = System.getProperty('mainClass')
+       classpath = sourceSets.main.runtimeClasspath
+    }
 }
 
 ext {
diff --git a/modules/swagger-codegen/src/main/resources/Java/libraries/jersey2/build.gradle.mustache b/modules/swagger-codegen/src/main/resources/Java/libraries/jersey2/build.gradle.mustache
index 548c1854e5e..09262af0d63 100644
--- a/modules/swagger-codegen/src/main/resources/Java/libraries/jersey2/build.gradle.mustache
+++ b/modules/swagger-codegen/src/main/resources/Java/libraries/jersey2/build.gradle.mustache
@@ -18,72 +18,76 @@ repositories {
 
 if(hasProperty('target') && target == 'android') {
 
-	apply plugin: 'com.android.library'
-	apply plugin: 'com.github.dcendents.android-maven'
-	
-	android {
-	    compileSdkVersion 22
-	    buildToolsVersion '22.0.0'
-	    defaultConfig {
-	        minSdkVersion 14
-	        targetSdkVersion 22
-	    }
-	    compileOptions {
-	        sourceCompatibility JavaVersion.VERSION_1_7
-	        targetCompatibility JavaVersion.VERSION_1_7
-	    }
-	
-	    // Rename the aar correctly
-	    libraryVariants.all { variant ->
-	        variant.outputs.each { output ->
-	            def outputFile = output.outputFile
-	            if (outputFile != null && outputFile.name.endsWith('.aar')) {
-	                def fileName = "${project.name}-${variant.baseName}-${version}.aar"
-	                output.outputFile = new File(outputFile.parent, fileName)
-	            }
-	        }
-	    }
-	}
-	
-	afterEvaluate {
-	    android.libraryVariants.all { variant ->
-	        def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
-	        task.description = "Create jar artifact for ${variant.name}"
-	        task.dependsOn variant.javaCompile
-	        task.from variant.javaCompile.destinationDir
-	        task.destinationDir = project.file("${project.buildDir}/outputs/jar")
-	        task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
-	        artifacts.add('archives', task);
-	    }
-	}
-	
-	task sourcesJar(type: Jar) {
-	    from android.sourceSets.main.java.srcDirs
-	    classifier = 'sources'
-	}
-	
-	artifacts {
-	    archives sourcesJar
-	}
+    apply plugin: 'com.android.library'
+    apply plugin: 'com.github.dcendents.android-maven'
+    
+    android {
+        compileSdkVersion 22
+        buildToolsVersion '22.0.0'
+        defaultConfig {
+            minSdkVersion 14
+            targetSdkVersion 22
+        }
+        compileOptions {
+            sourceCompatibility JavaVersion.VERSION_1_7
+            targetCompatibility JavaVersion.VERSION_1_7
+        }
+    
+        // Rename the aar correctly
+        libraryVariants.all { variant ->
+            variant.outputs.each { output ->
+                def outputFile = output.outputFile
+                if (outputFile != null && outputFile.name.endsWith('.aar')) {
+                    def fileName = "${project.name}-${variant.baseName}-${version}.aar"
+                    output.outputFile = new File(outputFile.parent, fileName)
+                }
+            }
+        }
+
+        dependencies {
+            provided 'javax.annotation:jsr250-api:1.0'
+        }
+    }
+    
+    afterEvaluate {
+        android.libraryVariants.all { variant ->
+            def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
+            task.description = "Create jar artifact for ${variant.name}"
+            task.dependsOn variant.javaCompile
+            task.from variant.javaCompile.destinationDir
+            task.destinationDir = project.file("${project.buildDir}/outputs/jar")
+            task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
+            artifacts.add('archives', task);
+        }
+    }
+    
+    task sourcesJar(type: Jar) {
+        from android.sourceSets.main.java.srcDirs
+        classifier = 'sources'
+    }
+    
+    artifacts {
+        archives sourcesJar
+    }
 
 } else {
 
-	apply plugin: 'java'
-	apply plugin: 'maven'
-	
-	sourceCompatibility = JavaVersion.VERSION_1_7
-	targetCompatibility = JavaVersion.VERSION_1_7
-	
-	install {
-	    repositories.mavenInstaller {
-	        pom.artifactId = '{{artifactId}}'
-	    }
-	}
-	
-	task execute(type:JavaExec) {
-	   main = System.getProperty('mainClass')
-	   classpath = sourceSets.main.runtimeClasspath
-	}
+    apply plugin: 'java'
+    apply plugin: 'maven'
+    
+    sourceCompatibility = JavaVersion.VERSION_1_7
+    targetCompatibility = JavaVersion.VERSION_1_7
+    
+    install {
+        repositories.mavenInstaller {
+            pom.artifactId = '{{artifactId}}'
+        }
+    }
+    
+    task execute(type:JavaExec) {
+       main = System.getProperty('mainClass')
+       classpath = sourceSets.main.runtimeClasspath
+    }
 }
 
 ext {
diff --git a/modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/build.gradle.mustache b/modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/build.gradle.mustache
index 289f9a6df72..9741cb13d10 100644
--- a/modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/build.gradle.mustache
+++ b/modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/build.gradle.mustache
@@ -18,72 +18,76 @@ repositories {
 
 if(hasProperty('target') && target == 'android') {
 
-	apply plugin: 'com.android.library'
-	apply plugin: 'com.github.dcendents.android-maven'
-	
-	android {
-	    compileSdkVersion 22
-	    buildToolsVersion '22.0.0'
-	    defaultConfig {
-	        minSdkVersion 14
-	        targetSdkVersion 22
-	    }
-	    compileOptions {
-	        sourceCompatibility JavaVersion.VERSION_1_7
-	        targetCompatibility JavaVersion.VERSION_1_7
-	    }
-	
-	    // Rename the aar correctly
-	    libraryVariants.all { variant ->
-	        variant.outputs.each { output ->
-	            def outputFile = output.outputFile
-	            if (outputFile != null && outputFile.name.endsWith('.aar')) {
-	                def fileName = "${project.name}-${variant.baseName}-${version}.aar"
-	                output.outputFile = new File(outputFile.parent, fileName)
-	            }
-	        }
-	    }
-	}
-	
-	afterEvaluate {
-	    android.libraryVariants.all { variant ->
-	        def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
-	        task.description = "Create jar artifact for ${variant.name}"
-	        task.dependsOn variant.javaCompile
-	        task.from variant.javaCompile.destinationDir
-	        task.destinationDir = project.file("${project.buildDir}/outputs/jar")
-	        task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
-	        artifacts.add('archives', task);
-	    }
-	}
-	
-	task sourcesJar(type: Jar) {
-	    from android.sourceSets.main.java.srcDirs
-	    classifier = 'sources'
-	}
-	
-	artifacts {
-	    archives sourcesJar
-	}
+    apply plugin: 'com.android.library'
+    apply plugin: 'com.github.dcendents.android-maven'
+    
+    android {
+        compileSdkVersion 22
+        buildToolsVersion '22.0.0'
+        defaultConfig {
+            minSdkVersion 14
+            targetSdkVersion 22
+        }
+        compileOptions {
+            sourceCompatibility JavaVersion.VERSION_1_7
+            targetCompatibility JavaVersion.VERSION_1_7
+        }
+    
+        // Rename the aar correctly
+        libraryVariants.all { variant ->
+            variant.outputs.each { output ->
+                def outputFile = output.outputFile
+                if (outputFile != null && outputFile.name.endsWith('.aar')) {
+                    def fileName = "${project.name}-${variant.baseName}-${version}.aar"
+                    output.outputFile = new File(outputFile.parent, fileName)
+                }
+            }
+        }
+
+        dependencies {
+            provided 'javax.annotation:jsr250-api:1.0'
+        }
+    }
+    
+    afterEvaluate {
+        android.libraryVariants.all { variant ->
+            def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
+            task.description = "Create jar artifact for ${variant.name}"
+            task.dependsOn variant.javaCompile
+            task.from variant.javaCompile.destinationDir
+            task.destinationDir = project.file("${project.buildDir}/outputs/jar")
+            task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
+            artifacts.add('archives', task);
+        }
+    }
+    
+    task sourcesJar(type: Jar) {
+        from android.sourceSets.main.java.srcDirs
+        classifier = 'sources'
+    }
+    
+    artifacts {
+        archives sourcesJar
+    }
 
 } else {
 
-	apply plugin: 'java'
-	apply plugin: 'maven'
-	
-	sourceCompatibility = JavaVersion.VERSION_1_7
-	targetCompatibility = JavaVersion.VERSION_1_7
-	
-	install {
-	    repositories.mavenInstaller {
-	        pom.artifactId = '{{artifactId}}'
-	    }
-	}
-	
-	task execute(type:JavaExec) {
-	   main = System.getProperty('mainClass')
-	   classpath = sourceSets.main.runtimeClasspath
-	}
+    apply plugin: 'java'
+    apply plugin: 'maven'
+    
+    sourceCompatibility = JavaVersion.VERSION_1_7
+    targetCompatibility = JavaVersion.VERSION_1_7
+    
+    install {
+        repositories.mavenInstaller {
+            pom.artifactId = '{{artifactId}}'
+        }
+    }
+    
+    task execute(type:JavaExec) {
+       main = System.getProperty('mainClass')
+       classpath = sourceSets.main.runtimeClasspath
+    }
 }
 
 dependencies {
diff --git a/modules/swagger-codegen/src/main/resources/Java/libraries/retrofit/build.gradle.mustache b/modules/swagger-codegen/src/main/resources/Java/libraries/retrofit/build.gradle.mustache
index a285745505a..7072c8752f5 100644
--- a/modules/swagger-codegen/src/main/resources/Java/libraries/retrofit/build.gradle.mustache
+++ b/modules/swagger-codegen/src/main/resources/Java/libraries/retrofit/build.gradle.mustache
@@ -18,72 +18,76 @@ repositories {
 
 if(hasProperty('target') && target == 'android') {
 
-	apply plugin: 'com.android.library'
-	apply plugin: 'com.github.dcendents.android-maven'
-	
-	android {
-	    compileSdkVersion 22
-	    buildToolsVersion '22.0.0'
-	    defaultConfig {
-	        minSdkVersion 14
-	        targetSdkVersion 22
-	    }
-	    compileOptions {
-	        sourceCompatibility JavaVersion.VERSION_1_7
-	        targetCompatibility JavaVersion.VERSION_1_7
-	    }
-	
-	    // Rename the aar correctly
-	    libraryVariants.all { variant ->
-	        variant.outputs.each { output ->
-	            def outputFile = output.outputFile
-	            if (outputFile != null && outputFile.name.endsWith('.aar')) {
-	                def fileName = "${project.name}-${variant.baseName}-${version}.aar"
-	                output.outputFile = new File(outputFile.parent, fileName)
-	            }
-	        }
-	    }
-	}
-	
-	afterEvaluate {
-	    android.libraryVariants.all { variant ->
-	        def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
-	        task.description = "Create jar artifact for ${variant.name}"
-	        task.dependsOn variant.javaCompile
-	        task.from variant.javaCompile.destinationDir
-	        task.destinationDir = project.file("${project.buildDir}/outputs/jar")
-	        task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
-	        artifacts.add('archives', task);
-	    }
-	}
-	
-	task sourcesJar(type: Jar) {
-	    from android.sourceSets.main.java.srcDirs
-	    classifier = 'sources'
-	}
-	
-	artifacts {
-	    archives sourcesJar
-	}
+    apply plugin: 'com.android.library'
+    apply plugin: 'com.github.dcendents.android-maven'
+    
+    android {
+        compileSdkVersion 22
+        buildToolsVersion '22.0.0'
+        defaultConfig {
+            minSdkVersion 14
+            targetSdkVersion 22
+        }
+        compileOptions {
+            sourceCompatibility JavaVersion.VERSION_1_7
+            targetCompatibility JavaVersion.VERSION_1_7
+        }
+    
+        // Rename the aar correctly
+        libraryVariants.all { variant ->
+            variant.outputs.each { output ->
+                def outputFile = output.outputFile
+                if (outputFile != null && outputFile.name.endsWith('.aar')) {
+                    def fileName = "${project.name}-${variant.baseName}-${version}.aar"
+                    output.outputFile = new File(outputFile.parent, fileName)
+                }
+            }
+        }
+
+        dependencies {
+            provided 'javax.annotation:jsr250-api:1.0'
+        }
+    }
+    
+    afterEvaluate {
+        android.libraryVariants.all { variant ->
+            def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
+            task.description = "Create jar artifact for ${variant.name}"
+            task.dependsOn variant.javaCompile
+            task.from variant.javaCompile.destinationDir
+            task.destinationDir = project.file("${project.buildDir}/outputs/jar")
+            task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
+            artifacts.add('archives', task);
+        }
+    }
+    
+    task sourcesJar(type: Jar) {
+        from android.sourceSets.main.java.srcDirs
+        classifier = 'sources'
+    }
+    
+    artifacts {
+        archives sourcesJar
+    }
 
 } else {
 
-	apply plugin: 'java'
-	apply plugin: 'maven'
-	
-	sourceCompatibility = JavaVersion.VERSION_1_7
-	targetCompatibility = JavaVersion.VERSION_1_7
-	
-	install {
-	    repositories.mavenInstaller {
-	        pom.artifactId = '{{artifactId}}'
-	    }
-	}
-	
-	task execute(type:JavaExec) {
-	   main = System.getProperty('mainClass')
-	   classpath = sourceSets.main.runtimeClasspath
-	}
+    apply plugin: 'java'
+    apply plugin: 'maven'
+    
+    sourceCompatibility = JavaVersion.VERSION_1_7
+    targetCompatibility = JavaVersion.VERSION_1_7
+    
+    install {
+        repositories.mavenInstaller {
+            pom.artifactId = '{{artifactId}}'
+        }
+    }
+    
+    task execute(type:JavaExec) {
+       main = System.getProperty('mainClass')
+       classpath = sourceSets.main.runtimeClasspath
+    }
 }
 
 ext {
diff --git a/samples/client/petstore/java/default/build.gradle b/samples/client/petstore/java/default/build.gradle
index baa5ce97b01..b7ccd1df774 100644
--- a/samples/client/petstore/java/default/build.gradle
+++ b/samples/client/petstore/java/default/build.gradle
@@ -18,72 +18,76 @@ repositories {
 
 if(hasProperty('target') && target == 'android') {
 
-	apply plugin: 'com.android.library'
-	apply plugin: 'com.github.dcendents.android-maven'
-	
-	android {
-	    compileSdkVersion 22
-	    buildToolsVersion '22.0.0'
-	    defaultConfig {
-	        minSdkVersion 14
-	        targetSdkVersion 22
-	    }
-	    compileOptions {
-	        sourceCompatibility JavaVersion.VERSION_1_7
-	        targetCompatibility JavaVersion.VERSION_1_7
-	    }
-	
-	    // Rename the aar correctly
-	    libraryVariants.all { variant ->
-	        variant.outputs.each { output ->
-	            def outputFile = output.outputFile
-	            if (outputFile != null && outputFile.name.endsWith('.aar')) {
-	                def fileName = "${project.name}-${variant.baseName}-${version}.aar"
-	                output.outputFile = new File(outputFile.parent, fileName)
-	            }
-	        }
-	    }
-	}
-	
-	afterEvaluate {
-	    android.libraryVariants.all { variant ->
-	        def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
-	        task.description = "Create jar artifact for ${variant.name}"
-	        task.dependsOn variant.javaCompile
-	        task.from variant.javaCompile.destinationDir
-	        task.destinationDir = project.file("${project.buildDir}/outputs/jar")
-	        task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
-	        artifacts.add('archives', task);
-	    }
-	}
-	
-	task sourcesJar(type: Jar) {
-	    from android.sourceSets.main.java.srcDirs
-	    classifier = 'sources'
-	}
-	
-	artifacts {
-	    archives sourcesJar
-	}
+    apply plugin: 'com.android.library'
+    apply plugin: 'com.github.dcendents.android-maven'
+    
+    android {
+        compileSdkVersion 22
+        buildToolsVersion '22.0.0'
+        defaultConfig {
+            minSdkVersion 14
+            targetSdkVersion 22
+        }
+        compileOptions {
+            sourceCompatibility JavaVersion.VERSION_1_7
+            targetCompatibility JavaVersion.VERSION_1_7
+        }
+    
+        // Rename the aar correctly
+        libraryVariants.all { variant ->
+            variant.outputs.each { output ->
+                def outputFile = output.outputFile
+                if (outputFile != null && outputFile.name.endsWith('.aar')) {
+                    def fileName = "${project.name}-${variant.baseName}-${version}.aar"
+                    output.outputFile = new File(outputFile.parent, fileName)
+                }
+            }
+        }
+
+        dependencies {
+            provided 'javax.annotation:jsr250-api:1.0'
+        }
+    }
+    
+    afterEvaluate {
+        android.libraryVariants.all { variant ->
+            def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
+            task.description = "Create jar artifact for ${variant.name}"
+            task.dependsOn variant.javaCompile
+            task.from variant.javaCompile.destinationDir
+            task.destinationDir = project.file("${project.buildDir}/outputs/jar")
+            task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
+            artifacts.add('archives', task);
+        }
+    }
+    
+    task sourcesJar(type: Jar) {
+        from android.sourceSets.main.java.srcDirs
+        classifier = 'sources'
+    }
+    
+    artifacts {
+        archives sourcesJar
+    }
 
 } else {
 
-	apply plugin: 'java'
-	apply plugin: 'maven'
-	
-	sourceCompatibility = JavaVersion.VERSION_1_7
-	targetCompatibility = JavaVersion.VERSION_1_7
-	
-	install {
-	    repositories.mavenInstaller {
-	        pom.artifactId = 'swagger-java-client'
-	    }
-	}
-	
-	task execute(type:JavaExec) {
-	   main = System.getProperty('mainClass')
-	   classpath = sourceSets.main.runtimeClasspath
-	}
+    apply plugin: 'java'
+    apply plugin: 'maven'
+    
+    sourceCompatibility = JavaVersion.VERSION_1_7
+    targetCompatibility = JavaVersion.VERSION_1_7
+    
+    install {
+        repositories.mavenInstaller {
+            pom.artifactId = 'swagger-java-client'
+        }
+    }
+    
+    task execute(type:JavaExec) {
+       main = System.getProperty('mainClass')
+       classpath = sourceSets.main.runtimeClasspath
+    }
 }
 
 ext {
diff --git a/samples/client/petstore/java/jersey2/build.gradle b/samples/client/petstore/java/jersey2/build.gradle
index 9727e5693e6..85ad4f048b9 100644
--- a/samples/client/petstore/java/jersey2/build.gradle
+++ b/samples/client/petstore/java/jersey2/build.gradle
@@ -18,72 +18,76 @@ repositories {
 
 if(hasProperty('target') && target == 'android') {
 
-	apply plugin: 'com.android.library'
-	apply plugin: 'com.github.dcendents.android-maven'
-	
-	android {
-	    compileSdkVersion 22
-	    buildToolsVersion '22.0.0'
-	    defaultConfig {
-	        minSdkVersion 14
-	        targetSdkVersion 22
-	    }
-	    compileOptions {
-	        sourceCompatibility JavaVersion.VERSION_1_7
-	        targetCompatibility JavaVersion.VERSION_1_7
-	    }
-	
-	    // Rename the aar correctly
-	    libraryVariants.all { variant ->
-	        variant.outputs.each { output ->
-	            def outputFile = output.outputFile
-	            if (outputFile != null && outputFile.name.endsWith('.aar')) {
-	                def fileName = "${project.name}-${variant.baseName}-${version}.aar"
-	                output.outputFile = new File(outputFile.parent, fileName)
-	            }
-	        }
-	    }
-	}
-	
-	afterEvaluate {
-	    android.libraryVariants.all { variant ->
-	        def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
-	        task.description = "Create jar artifact for ${variant.name}"
-	        task.dependsOn variant.javaCompile
-	        task.from variant.javaCompile.destinationDir
-	        task.destinationDir = project.file("${project.buildDir}/outputs/jar")
-	        task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
-	        artifacts.add('archives', task);
-	    }
-	}
-	
-	task sourcesJar(type: Jar) {
-	    from android.sourceSets.main.java.srcDirs
-	    classifier = 'sources'
-	}
-	
-	artifacts {
-	    archives sourcesJar
-	}
+    apply plugin: 'com.android.library'
+    apply plugin: 'com.github.dcendents.android-maven'
+    
+    android {
+        compileSdkVersion 22
+        buildToolsVersion '22.0.0'
+        defaultConfig {
+            minSdkVersion 14
+            targetSdkVersion 22
+        }
+        compileOptions {
+            sourceCompatibility JavaVersion.VERSION_1_7
+            targetCompatibility JavaVersion.VERSION_1_7
+        }
+    
+        // Rename the aar correctly
+        libraryVariants.all { variant ->
+            variant.outputs.each { output ->
+                def outputFile = output.outputFile
+                if (outputFile != null && outputFile.name.endsWith('.aar')) {
+                    def fileName = "${project.name}-${variant.baseName}-${version}.aar"
+                    output.outputFile = new File(outputFile.parent, fileName)
+                }
+            }
+        }
+
+        dependencies {
+            provided 'javax.annotation:jsr250-api:1.0'
+        }
+    }
+    
+    afterEvaluate {
+        android.libraryVariants.all { variant ->
+            def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
+            task.description = "Create jar artifact for ${variant.name}"
+            task.dependsOn variant.javaCompile
+            task.from variant.javaCompile.destinationDir
+            task.destinationDir = project.file("${project.buildDir}/outputs/jar")
+            task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
+            artifacts.add('archives', task);
+        }
+    }
+    
+    task sourcesJar(type: Jar) {
+        from android.sourceSets.main.java.srcDirs
+        classifier = 'sources'
+    }
+    
+    artifacts {
+        archives sourcesJar
+    }
 
 } else {
 
-	apply plugin: 'java'
-	apply plugin: 'maven'
-	
-	sourceCompatibility = JavaVersion.VERSION_1_7
-	targetCompatibility = JavaVersion.VERSION_1_7
-	
-	install {
-	    repositories.mavenInstaller {
-	        pom.artifactId = 'swagger-petstore-jersey2'
-	    }
-	}
-	
-	task execute(type:JavaExec) {
-	   main = System.getProperty('mainClass')
-	   classpath = sourceSets.main.runtimeClasspath
-	}
+    apply plugin: 'java'
+    apply plugin: 'maven'
+    
+    sourceCompatibility = JavaVersion.VERSION_1_7
+    targetCompatibility = JavaVersion.VERSION_1_7
+    
+    install {
+        repositories.mavenInstaller {
+            pom.artifactId = 'swagger-petstore-jersey2'
+        }
+    }
+    
+    task execute(type:JavaExec) {
+       main = System.getProperty('mainClass')
+       classpath = sourceSets.main.runtimeClasspath
+    }
 }
 
 ext {
diff --git a/samples/client/petstore/java/okhttp-gson/build.gradle b/samples/client/petstore/java/okhttp-gson/build.gradle
index ada6a992573..c739b5e1a23 100644
--- a/samples/client/petstore/java/okhttp-gson/build.gradle
+++ b/samples/client/petstore/java/okhttp-gson/build.gradle
@@ -1,11 +1,93 @@
-apply plugin: 'java'
-apply plugin: 'maven'
+group = 'io.swagger'
+version = '1.0.0'
 
-sourceCompatibility = JavaVersion.VERSION_1_7
-targetCompatibility = JavaVersion.VERSION_1_7
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:1.2.2'
+        classpath 'com.github.dcendents:android-maven-plugin:1.2'
+    }
+}
 
 repositories {
-    mavenCentral()
+    jcenter()
+}
+
+
+if(hasProperty('target') && target == 'android') {
+
+    apply plugin: 'com.android.library'
+    apply plugin: 'com.github.dcendents.android-maven'
+    
+    android {
+        compileSdkVersion 22
+        buildToolsVersion '22.0.0'
+        defaultConfig {
+            minSdkVersion 14
+            targetSdkVersion 22
+        }
+        compileOptions {
+            sourceCompatibility JavaVersion.VERSION_1_7
+            targetCompatibility JavaVersion.VERSION_1_7
+        }
+    
+        // Rename the aar correctly
+        libraryVariants.all { variant ->
+            variant.outputs.each { output ->
+                def outputFile = output.outputFile
+                if (outputFile != null && outputFile.name.endsWith('.aar')) {
+                    def fileName = "${project.name}-${variant.baseName}-${version}.aar"
+                    output.outputFile = new File(outputFile.parent, fileName)
+                }
+            }
+        }
+
+        dependencies {
+            provided 'javax.annotation:jsr250-api:1.0'
+        }
+    }
+    
+    afterEvaluate {
+        android.libraryVariants.all { variant ->
+            def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
+            task.description = "Create jar artifact for ${variant.name}"
+            task.dependsOn variant.javaCompile
+            task.from variant.javaCompile.destinationDir
+            task.destinationDir = project.file("${project.buildDir}/outputs/jar")
+            task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
+            artifacts.add('archives', task);
+        }
+    }
+    
+    task sourcesJar(type: Jar) {
+        from android.sourceSets.main.java.srcDirs
+        classifier = 'sources'
+    }
+    
+    artifacts {
+        archives sourcesJar
+    }
+
+} else {
+
+    apply plugin: 'java'
+    apply plugin: 'maven'
+    
+    sourceCompatibility = JavaVersion.VERSION_1_7
+    targetCompatibility = JavaVersion.VERSION_1_7
+    
+    install {
+        repositories.mavenInstaller {
+            pom.artifactId = 'swagger-petstore-okhttp-gson'
+        }
+    }
+    
+    task execute(type:JavaExec) {
+       main = System.getProperty('mainClass')
+       classpath = sourceSets.main.runtimeClasspath
+    }
 }
 
 dependencies {
@@ -15,17 +97,3 @@ dependencies {
     compile 'com.brsanthu:migbase64:2.2'
     testCompile 'junit:junit:4.8.1'
 }
-
-group = 'io.swagger'
-version = '1.0.0'
-
-install {
-    repositories.mavenInstaller {
-        pom.artifactId = 'swagger-petstore-okhttp-gson'
-    }
-}
-
-task execute(type:JavaExec) {
-   main = System.getProperty('mainClass')
-   classpath = sourceSets.main.runtimeClasspath
-}
diff --git a/samples/client/petstore/java/retrofit/build.gradle b/samples/client/petstore/java/retrofit/build.gradle
index 710d9da9a54..255a76e0403 100644
--- a/samples/client/petstore/java/retrofit/build.gradle
+++ b/samples/client/petstore/java/retrofit/build.gradle
@@ -18,72 +18,76 @@ repositories {
 
 if(hasProperty('target') && target == 'android') {
 
-	apply plugin: 'com.android.library'
-	apply plugin: 'com.github.dcendents.android-maven'
-	
-	android {
-	    compileSdkVersion 22
-	    buildToolsVersion '22.0.0'
-	    defaultConfig {
-	        minSdkVersion 14
-	        targetSdkVersion 22
-	    }
-	    compileOptions {
-	        sourceCompatibility JavaVersion.VERSION_1_7
-	        targetCompatibility JavaVersion.VERSION_1_7
-	    }
-	
-	    // Rename the aar correctly
-	    libraryVariants.all { variant ->
-	        variant.outputs.each { output ->
-	            def outputFile = output.outputFile
-	            if (outputFile != null && outputFile.name.endsWith('.aar')) {
-	                def fileName = "${project.name}-${variant.baseName}-${version}.aar"
-	                output.outputFile = new File(outputFile.parent, fileName)
-	            }
-	        }
-	    }
-	}
-	
-	afterEvaluate {
-	    android.libraryVariants.all { variant ->
-	        def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
-	        task.description = "Create jar artifact for ${variant.name}"
-	        task.dependsOn variant.javaCompile
-	        task.from variant.javaCompile.destinationDir
-	        task.destinationDir = project.file("${project.buildDir}/outputs/jar")
-	        task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
-	        artifacts.add('archives', task);
-	    }
-	}
-	
-	task sourcesJar(type: Jar) {
-	    from android.sourceSets.main.java.srcDirs
-	    classifier = 'sources'
-	}
-	
-	artifacts {
-	    archives sourcesJar
-	}
+    apply plugin: 'com.android.library'
+    apply plugin: 'com.github.dcendents.android-maven'
+    
+    android {
+        compileSdkVersion 22
+        buildToolsVersion '22.0.0'
+        defaultConfig {
+            minSdkVersion 14
+            targetSdkVersion 22
+        }
+        compileOptions {
+            sourceCompatibility JavaVersion.VERSION_1_7
+            targetCompatibility JavaVersion.VERSION_1_7
+        }
+    
+        // Rename the aar correctly
+        libraryVariants.all { variant ->
+            variant.outputs.each { output ->
+                def outputFile = output.outputFile
+                if (outputFile != null && outputFile.name.endsWith('.aar')) {
+                    def fileName = "${project.name}-${variant.baseName}-${version}.aar"
+                    output.outputFile = new File(outputFile.parent, fileName)
+                }
+            }
+        }
+
+        dependencies {
+            provided 'javax.annotation:jsr250-api:1.0'
+        }
+    }
+    
+    afterEvaluate {
+        android.libraryVariants.all { variant ->
+            def task = project.tasks.create "jar${variant.name.capitalize()}", Jar
+            task.description = "Create jar artifact for ${variant.name}"
+            task.dependsOn variant.javaCompile
+            task.from variant.javaCompile.destinationDir
+            task.destinationDir = project.file("${project.buildDir}/outputs/jar")
+            task.archiveName = "${project.name}-${variant.baseName}-${version}.jar"
+            artifacts.add('archives', task);
+        }
+    }
+    
+    task sourcesJar(type: Jar) {
+        from android.sourceSets.main.java.srcDirs
+        classifier = 'sources'
+    }
+    
+    artifacts {
+        archives sourcesJar
+    }
 
 } else {
 
-	apply plugin: 'java'
-	apply plugin: 'maven'
-	
-	sourceCompatibility = JavaVersion.VERSION_1_7
-	targetCompatibility = JavaVersion.VERSION_1_7
-	
-	install {
-	    repositories.mavenInstaller {
-	        pom.artifactId = 'swagger-petstore-retrofit'
-	    }
-	}
-	
-	task execute(type:JavaExec) {
-	   main = System.getProperty('mainClass')
-	   classpath = sourceSets.main.runtimeClasspath
-	}
+    apply plugin: 'java'
+    apply plugin: 'maven'
+    
+    sourceCompatibility = JavaVersion.VERSION_1_7
+    targetCompatibility = JavaVersion.VERSION_1_7
+    
+    install {
+        repositories.mavenInstaller {
+            pom.artifactId = 'swagger-petstore-retrofit'
+        }
+    }
+    
+    task execute(type:JavaExec) {
+       main = System.getProperty('mainClass')
+       classpath = sourceSets.main.runtimeClasspath
+    }
 }
 
 ext {