[akka-scala] template upgrade dependency version and refactor #7171 (#7172)

* [akka-scala] template upgrade dependency version and refactor #7171

* update sbt dependencies version and add enforce plugin

* delete new to the case class

modules/swagger-codegen/src/main/resources/akka-scala/apiInvoker.mustache

@@ -49,8 +49,8 @@ object ApiInvoker {
 
   def addCustomStatusCode(code: CustomStatusCode): Unit = addCustomStatusCode(code.value, code.reason, code.isSuccess)
 
-  def addCustomStatusCode(code: Int, reason: String = "Application defined code", isSuccess: Boolean = true) = {
-    StatusCodes.getForKey(code) foreach { c =>
+  def addCustomStatusCode(code: Int, reason: String = "Application defined code", isSuccess: Boolean = true): Unit = {
+    StatusCodes.getForKey(code) foreach { _ =>
       StatusCodes.registerCustom(code, reason, reason, isSuccess, allowsEntity = true)
     }
   }
@@ -97,16 +97,15 @@ class ApiInvoker(formats: Formats)(implicit system: ActorSystem) extends Untrust
   import io.swagger.client.core.ApiInvoker._
   import io.swagger.client.core.ParametersMap._
 
-  implicit val ec = system.dispatcher
-  implicit val jsonFormats = formats
+  implicit val ec: ExecutionContextExecutor = system.dispatcher
+  implicit val jsonFormats: Formats = formats
 
   def settings = ApiSettings(system)
 
   import spray.http.MessagePredicate._
 
-  val CompressionFilter = MessagePredicate({ _ => settings.compressionEnabled}) &&
-    Encoder.DefaultFilter &&
-    minEntitySize(settings.compressionSizeThreshold)
+  val CompressionFilter: MessagePredicate= MessagePredicate({ _ => settings.compressionEnabled}) &&
+    Encoder.DefaultFilter && minEntitySize(settings.compressionSizeThreshold)
 
   settings.customCodes.foreach(addCustomStatusCode)
 
@@ -248,22 +247,22 @@ class ApiInvoker(formats: Formats)(implicit system: ActorSystem) extends Untrust
               case ResponseState.Success =>
                 ApiResponse(response.status.intValue, value, response.headers.map(header => (header.name, header.value)).toMap)
               case ResponseState.Error =>
-                throw new ApiError(response.status.intValue, "Error response received",
+                throw ApiError(response.status.intValue, "Error response received",
                   Some(value),
                   headers = response.headers.map(header => (header.name, header.value)).toMap)
             }
 
           case Left(MalformedContent(error, Some(cause))) ⇒
-            throw new ApiError(response.status.intValue, s"Unable to unmarshall content to [$manifest]", Some(response.entity.toString), cause)
+            throw ApiError(response.status.intValue, s"Unable to unmarshall content to [$manifest]", Some(response.entity.toString), cause)
 
           case Left(MalformedContent(error, None)) ⇒
-            throw new ApiError(response.status.intValue, s"Unable to unmarshall content to [$manifest]", Some(response.entity.toString))
+            throw ApiError(response.status.intValue, s"Unable to unmarshall content to [$manifest]", Some(response.entity.toString))
 
           case Left(ContentExpected) ⇒
-            throw new ApiError(response.status.intValue, s"Unable to unmarshall empty response to [$manifest]", Some(response.entity.toString))
+            throw ApiError(response.status.intValue, s"Unable to unmarshall empty response to [$manifest]", Some(response.entity.toString))
         }
 
-      case _ => throw new ApiError(response.status.intValue, "Unexpected response code", Some(response.entity.toString))
+      case _ => throw ApiError(response.status.intValue, "Unexpected response code", Some(response.entity.toString))
     }
   }
 

modules/swagger-codegen/src/main/resources/akka-scala/apiRequest.mustache

@@ -6,50 +6,54 @@
 package {{invokerPackage}}
 
 sealed trait ResponseState
+
 object ResponseState {
+
   case object Success extends ResponseState
+
   case object Error extends ResponseState
+
 }
 
 case class ApiRequest[U](
-                       // required fields
-                       method: ApiMethod,
-                       basePath: String,
-                       operationPath: String,
-                       contentType: String,
+  // required fields
+  method: ApiMethod,
+  basePath: String,
+  operationPath: String,
+  contentType: String,
 
-                       // optional fields
-                       responses: Map[Int, (Manifest[_], ResponseState)] = Map.empty,
-                       bodyParam: Option[Any] = None,
-                       formParams: Map[String, Any] = Map.empty,
-                       pathParams: Map[String, Any] = Map.empty,
-                       queryParams: Map[String, Any] = Map.empty,
-                       headerParams: Map[String, Any] = Map.empty,
-                       credentials: Seq[Credentials] = List.empty) {
+  // optional fields
+  responses: Map[Int, (Manifest[_], ResponseState)] = Map.empty,
+  bodyParam: Option[Any] = None,
+  formParams: Map[String, Any] = Map.empty,
+  pathParams: Map[String, Any] = Map.empty,
+  queryParams: Map[String, Any] = Map.empty,
+  headerParams: Map[String, Any] = Map.empty,
+  credentials: Seq[Credentials] = List.empty) {
 
-  def withCredentials(cred: Credentials) = copy[U](credentials = credentials :+ cred)
+  def withCredentials(cred: Credentials): ApiRequest[U] = copy[U](credentials = credentials :+ cred)
 
-  def withApiKey(key: ApiKeyValue, keyName: String, location: ApiKeyLocation) = withCredentials(ApiKeyCredentials(key, keyName, location))
+  def withApiKey(key: ApiKeyValue, keyName: String, location: ApiKeyLocation): ApiRequest[U] = withCredentials(ApiKeyCredentials(key, keyName, location))
 
-  def withSuccessResponse[T](code: Int)(implicit m: Manifest[T]) = copy[U](responses = responses + (code -> (m, ResponseState.Success)))
+  def withSuccessResponse[T](code: Int)(implicit m: Manifest[T]): ApiRequest[U] = copy[U](responses = responses + (code -> (m, ResponseState.Success)))
 
-  def withErrorResponse[T](code: Int)(implicit m: Manifest[T]) = copy[U](responses = responses + (code -> (m, ResponseState.Error)))
+  def withErrorResponse[T](code: Int)(implicit m: Manifest[T]): ApiRequest[U] = copy[U](responses = responses + (code -> (m, ResponseState.Error)))
 
-  def withDefaultSuccessResponse[T](implicit m: Manifest[T]) = withSuccessResponse[T](0)
+  def withDefaultSuccessResponse[T](implicit m: Manifest[T]): ApiRequest[U] = withSuccessResponse[T](0)
 
-  def withDefaultErrorResponse[T](implicit m: Manifest[T]) = withErrorResponse[T](0)
+  def withDefaultErrorResponse[T](implicit m: Manifest[T]): ApiRequest[U] = withErrorResponse[T](0)
 
   def responseForCode(statusCode: Int): Option[(Manifest[_], ResponseState)] = responses.get(statusCode) orElse responses.get(0)
 
-  def withoutBody() = copy[U](bodyParam = None)
+  def withoutBody(): ApiRequest[U] = copy[U](bodyParam = None)
 
-  def withBody(body: Any) = copy[U](bodyParam = Some(body))
+  def withBody(body: Any): ApiRequest[U] = copy[U](bodyParam = Some(body))
 
-  def withFormParam(name: String, value: Any) = copy[U](formParams = formParams + (name -> value))
+  def withFormParam(name: String, value: Any): ApiRequest[U] = copy[U](formParams = formParams + (name -> value))
 
-  def withPathParam(name: String, value: Any) = copy[U](pathParams = pathParams + (name -> value))
+  def withPathParam(name: String, value: Any): ApiRequest[U] = copy[U](pathParams = pathParams + (name -> value))
 
-  def withQueryParam(name: String, value: Any) = copy[U](queryParams = queryParams + (name -> value))
+  def withQueryParam(name: String, value: Any): ApiRequest[U] = copy[U](queryParams = queryParams + (name -> value))
 
-  def withHeaderParam(name: String, value: Any) = copy[U](headerParams = headerParams + (name -> value))
+  def withHeaderParam(name: String, value: Any): ApiRequest[U] = copy[U](headerParams = headerParams + (name -> value))
 }

modules/swagger-codegen/src/main/resources/akka-scala/apiSettings.mustache

@@ -20,18 +20,17 @@ class ApiSettings(config: Config) extends Extension {
 
   private def cfg = config.getConfig("io.swagger.client.apiRequest")
 
-  val alwaysTrustCertificates = cfg.getBoolean("trust-certificates")
-  val defaultHeaders = cfg.getConfig("default-headers").entrySet.toList.map(c => RawHeader(c.getKey, c.getValue.render))
+  val alwaysTrustCertificates: Boolean = cfg.getBoolean("trust-certificates")
+  val defaultHeaders: List[RawHeader] = cfg.getConfig("default-headers").entrySet.toList.map(c => RawHeader(c.getKey, c.getValue.render))
   val connectionTimeout = FiniteDuration(cfg.getDuration("connection-timeout", TimeUnit.MILLISECONDS), TimeUnit.MILLISECONDS)
-  val compressionEnabled = cfg.getBoolean("compression.enabled")
-  val compressionSizeThreshold = cfg.getBytes("compression.size-threshold").toInt
-  val customCodes = cfg.getConfigList("custom-codes").toList.map { c => CustomStatusCode(
-    c.getInt("code"),
-    c.getString("reason"),
-    c.getBoolean("success"))
+  val compressionEnabled: Boolean = cfg.getBoolean("compression.enabled")
+  val compressionSizeThreshold: Int = cfg.getBytes("compression.size-threshold").toInt
+  val customCodes: List[CustomStatusCode] = cfg.getConfigList("custom-codes").toList.map { c =>
+    CustomStatusCode(
+      c.getInt("code"),
+      c.getString("reason"),
+      c.getBoolean("success"))
   }
-
-
 }
 
 object ApiSettings extends ExtensionKey[ApiSettings]

modules/swagger-codegen/src/main/resources/akka-scala/build.sbt.mustache

@@ -1,26 +1,21 @@
-version       := "{{artifactVersion}}"
-
-name          := "{{artifactId}}"
-
-organization  := "{{groupId}}"
-
-scalaVersion  := "2.11.8"
+version := "{{artifactVersion}}"
+name := "{{artifactId}}"
+organization := "{{groupId}}"
+scalaVersion := "2.11.12"
 
 libraryDependencies ++= Seq(
   "io.swagger" % "swagger-core" % "1.5.15",
-  "com.typesafe" % "config" % "1.2.1",
-  "com.typesafe.akka" % "akka-actor_2.10" % "2.3.9",
+  "com.typesafe" % "config" % "1.3.2",
+  "com.typesafe.akka" %% "akka-actor" % "2.5.8",
   "io.spray" % "spray-client" % "1.3.1",
-  "joda-time" % "joda-time" % "2.2",
-  "org.joda" % "joda-convert" % "1.2",
-  "org.json4s" % "json4s-jackson_2.10" % "3.2.11",
-  "org.scalatest" %% "scalatest" % "2.2.4" % "test",
-  "junit" % "junit" % "4.8.1" % "test"
+  "joda-time" % "joda-time" % "2.9.9",
+  "org.joda" % "joda-convert" % "1.9.2",
+  "org.json4s" %% "json4s-jackson" % "3.5.3",
+  "org.scalatest" %% "scalatest" % "3.0.4" % "test",
+  "junit" % "junit" % "4.12" % "test"
 )
 
-resolvers ++= Seq(
-  Resolver.mavenLocal
-)
+resolvers ++= Seq(Resolver.mavenLocal)
 
 scalacOptions := Seq(
   "-unchecked",
@@ -29,4 +24,3 @@ scalacOptions := Seq(
 )
 
 publishArtifact in (Compile, packageDoc) := false
-

modules/swagger-codegen/src/main/resources/akka-scala/enumsSerializers.mustache

@@ -11,27 +11,24 @@ import scala.reflect.ClassTag
 
 object EnumsSerializers {
 
-  def all = Seq[Serializer[_]](){{#models}}{{#model}}{{#hasEnums}}{{#vars}}{{#isEnum}} :+
+  def all: Seq[Serializer[_]] = Seq[Serializer[_]](){{#models}}{{#model}}{{#hasEnums}}{{#vars}}{{#isEnum}} :+
     new EnumNameSerializer({{classname}}Enums.{{datatypeWithEnum}}){{/isEnum}}{{/vars}}{{/hasEnums}}{{/model}}{{/models}}
 
-
-
   private class EnumNameSerializer[E <: Enumeration: ClassTag](enum: E)
     extends Serializer[E#Value] {
     import JsonDSL._
 
-    val EnumerationClass = classOf[E#Value]
+    val EnumerationClass: Class[E#Value] = classOf[E#Value]
 
     def deserialize(implicit format: Formats):
     PartialFunction[(TypeInfo, JValue), E#Value] = {
-      case (t @ TypeInfo(EnumerationClass, _), json) if isValid(json) => {
+      case (t @ TypeInfo(EnumerationClass, _), json) if isValid(json) =>
         json match {
           case JString(value) =>
             enum.withName(value)
           case value =>
             throw new MappingException(s"Can't convert $value to $EnumerationClass")
         }
-      }
     }
 
     private[this] def isValid(json: JValue) = json match {

modules/swagger-codegen/src/main/resources/akka-scala/pom.mustache

@@ -1,246 +1,258 @@
 <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>{{groupId}}</groupId>
-    <artifactId>{{artifactId}}</artifactId>
-    <packaging>jar</packaging>
-    <name>{{artifactId}}</name>
-    <version>{{artifactVersion}}</version>
+  <modelVersion>4.0.0</modelVersion>
 
-    <pluginRepositories>
-        <pluginRepository>
-            <id>maven-mongodb-plugin-repo</id>
-            <name>maven mongodb plugin repository</name>
-            <url>http://maven-mongodb-plugin.googlecode.com/svn/maven/repo</url>
-            <layout>default</layout>
-        </pluginRepository>
-    </pluginRepositories>
+  <name>{{artifactId}}</name>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-enforcer-plugin</artifactId>
-                <version>3.0.0-M1</version>
-                <executions>
-                    <execution>
-                        <id>enforce-maven</id>
-                        <goals>
-                            <goal>enforce</goal>
-                        </goals>
-                        <configuration>
-                            <rules>
-                                <requireMavenVersion>
-                                    <version>2.2.0</version>
-                                </requireMavenVersion>
-                            </rules>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.12</version>
-                <configuration>
-                    <systemProperties>
-                        <property>
-                            <name>loggerPath</name>
-                            <value>conf/log4j.properties</value>
-                        </property>
-                    </systemProperties>
-                    <argLine>-Xms512m -Xmx1500m</argLine>
-                    <parallel>methods</parallel>
-                    <forkMode>pertest</forkMode>
-                </configuration>
-            </plugin>
-            <plugin>
-                <artifactId>maven-dependency-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>copy-dependencies</goal>
-                        </goals>
-                        <configuration>
-                            <outputDirectory>${project.build.directory}/lib</outputDirectory>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
+  <groupId>{{groupId}}</groupId>
+  <artifactId>{{artifactId}}</artifactId>
+  <version>{{artifactVersion}}</version>
 
-            <!-- attach test jar -->
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <version>2.2</version>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>jar</goal>
-                            <goal>test-jar</goal>
-                        </goals>
-                    </execution>
-                </executions>
-                <configuration>
-                </configuration>
-            </plugin>
+  <packaging>jar</packaging>
 
-            <plugin>
-                <groupId>org.codehaus.mojo</groupId>
-                <artifactId>build-helper-maven-plugin</artifactId>
-                <version>3.0.0</version>
-                <executions>
-                    <execution>
-                        <id>add_sources</id>
-                        <phase>generate-sources</phase>
-                        <goals>
-                            <goal>add-source</goal>
-                        </goals>
-                        <configuration>
-                            <sources>
-                                <source>
-                                src/main/java</source>
-                            </sources>
-                        </configuration>
-                    </execution>
-                    <execution>
-                        <id>add_test_sources</id>
-                        <phase>generate-test-sources</phase>
-                        <goals>
-                            <goal>add-test-source</goal>
-                        </goals>
-                        <configuration>
-                            <sources>
-                                <source>
-                                src/test/java</source>
-                            </sources>
-                        </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>
-            <plugin>
-                <groupId>net.alchim31.maven</groupId>
-                <artifactId>scala-maven-plugin</artifactId>
-                <version>${scala-maven-plugin-version}</version>
-                <executions>
-                    <execution>
-                        <id>scala-compile-first</id>
-                        <phase>process-resources</phase>
-                        <goals>
-                            <goal>add-source</goal>
-                            <goal>compile</goal>
-                        </goals>
-                    </execution>
-                    <execution>
-                        <id>scala-test-compile</id>
-                        <phase>process-test-resources</phase>
-                        <goals>
-                            <goal>testCompile</goal>
-                        </goals>
-                    </execution>
-                </executions>
-                <configuration>
-                    <args>
-                        <arg>-feature</arg>
-                    </args>
-                    <jvmArgs>
-                        <jvmArg>-Xms128m</jvmArg>
-                        <jvmArg>-Xmx1500m</jvmArg>
-                    </jvmArgs>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-    <reporting>
-        <plugins>
-            <plugin>
-                <groupId>org.scala-tools</groupId>
-                <artifactId>maven-scala-plugin</artifactId>
-                <configuration>
-                    <scalaVersion>${scala-version}</scalaVersion>
-                </configuration>
-            </plugin>
-        </plugins>
-    </reporting>
-    <dependencies>
-        <dependency>
-            <groupId>org.scala-lang</groupId>
-            <artifactId>scala-library</artifactId>
-            <version>${scala-version}</version>
-        </dependency>
-        <dependency>
-            <groupId>io.swagger</groupId>
-            <artifactId>swagger-core</artifactId>
-            <version>${swagger-core-version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.scalatest</groupId>
-            <artifactId>scalatest_2.10</artifactId>
-            <version>${scala-test-version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>${junit-version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>joda-time</groupId>
-            <artifactId>joda-time</artifactId>
-            <version>${joda-time-version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.joda</groupId>
-            <artifactId>joda-convert</artifactId>
-            <version>${joda-version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.typesafe</groupId>
-            <artifactId>config</artifactId>
-            <version>1.2.1</version>
-        </dependency>
-        <dependency>
-            <groupId>com.typesafe.akka</groupId>
-            <artifactId>akka-actor_2.10</artifactId>
-            <version>${akka-version}</version>
-        </dependency>
-        <dependency>
-            <groupId>io.spray</groupId>
-            <artifactId>spray-client</artifactId>
-            <version>${spray-version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.json4s</groupId>
-            <artifactId>json4s-jackson_2.10</artifactId>
-            <version>${json4s-jackson-version}</version>
-        </dependency>
-    </dependencies>
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <scala-version>2.10.4</scala-version>
-        <json4s-jackson-version>3.2.11</json4s-jackson-version>
-        <json4s-ext-version>3.2.11</json4s-ext-version>
-        <spray-version>1.3.1</spray-version>
-        <akka-version>2.3.9</akka-version>
-        <joda-version>1.2</joda-version>
-        <joda-time-version>2.2</joda-time-version>
-        <swagger-core-version>1.5.15</swagger-core-version>
-        <maven-plugin.version>1.0.0</maven-plugin.version>
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+    <jdk.version>1.8</jdk.version>
+    <scala-version>2.11.12</scala-version>
+    <json4s-jackson-version>3.5.3</json4s-jackson-version>
+    <json4s-ext-version>3.2.11</json4s-ext-version>
+    <spray-version>1.3.1</spray-version>
+    <akka-version>2.5.8</akka-version>
+    <joda-convert-version>1.9.2</joda-convert-version>
+    <joda-time-version>2.9.9</joda-time-version>
+    <swagger-core-version>1.5.15</swagger-core-version>
+    <maven-plugin.version>1.0.0</maven-plugin.version>
 
-        <junit-version>4.8.1</junit-version>
-        <scala-maven-plugin-version>3.1.5</scala-maven-plugin-version>
-        <scala-test-version>2.2.0</scala-test-version>
-    </properties>
+    <junit-version>4.12</junit-version>
+    <scala-test-version>3.0.4</scala-test-version>
+
+    <scala-maven-plugin-version>3.3.1</scala-maven-plugin-version>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.scala-lang</groupId>
+      <artifactId>scala-library</artifactId>
+      <version>${scala-version}</version>
+    </dependency>
+    <dependency>
+      <groupId>io.swagger</groupId>
+      <artifactId>swagger-core</artifactId>
+      <version>${swagger-core-version}</version>
+    </dependency>
+    <dependency>
+      <groupId>joda-time</groupId>
+      <artifactId>joda-time</artifactId>
+      <version>${joda-time-version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.joda</groupId>
+      <artifactId>joda-convert</artifactId>
+      <version>${joda-convert-version}</version>
+    </dependency>
+    <dependency>
+      <groupId>com.typesafe</groupId>
+      <artifactId>config</artifactId>
+      <version>1.2.1</version>
+    </dependency>
+    <dependency>
+      <groupId>com.typesafe.akka</groupId>
+      <artifactId>akka-actor_2.11</artifactId>
+      <version>${akka-version}</version>
+    </dependency>
+    <dependency>
+      <groupId>io.spray</groupId>
+      <artifactId>spray-client</artifactId>
+      <version>${spray-version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.json4s</groupId>
+      <artifactId>json4s-jackson_2.11</artifactId>
+      <version>${json4s-jackson-version}</version>
+    </dependency>
+    <!--test dependencies-->
+    <dependency>
+      <groupId>org.scalatest</groupId>
+      <artifactId>scalatest_2.11</artifactId>
+      <version>${scala-test-version}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>${junit-version}</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <pluginRepositories>
+    <pluginRepository>
+      <id>maven-mongodb-plugin-repo</id>
+      <name>maven mongodb plugin repository</name>
+      <url>http://maven-mongodb-plugin.googlecode.com/svn/maven/repo</url>
+      <layout>default</layout>
+    </pluginRepository>
+  </pluginRepositories>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-enforcer-plugin</artifactId>
+        <version>3.0.0-M1</version>
+        <executions>
+          <execution>
+            <id>enforce-maven</id>
+            <goals>
+              <goal>enforce</goal>
+            </goals>
+            <configuration>
+              <rules>
+                <requireMavenVersion>
+                  <version>2.2.0</version>
+                </requireMavenVersion>
+              </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>2.20.1</version>
+        <configuration>
+          <systemProperties>
+            <property>
+              <name>loggerPath</name>
+              <value>conf/log4j.properties</value>
+            </property>
+          </systemProperties>
+          <argLine>-Xms512m -Xmx1500m</argLine>
+          <parallel>methods</parallel>
+          <forkMode>pertest</forkMode>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-dependency-plugin</artifactId>
+        <version>3.0.2</version>
+        <executions>
+          <execution>
+            <phase>package</phase>
+            <goals>
+              <goal>copy-dependencies</goal>
+            </goals>
+            <configuration>
+              <outputDirectory>${project.build.directory}/lib</outputDirectory>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+
+      <!-- attach test jar -->
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <version>2.6</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>jar</goal>
+              <goal>test-jar</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+        </configuration>
+      </plugin>
+
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>build-helper-maven-plugin</artifactId>
+        <version>3.0.0</version>
+        <executions>
+          <execution>
+            <id>add_sources</id>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>add-source</goal>
+            </goals>
+            <configuration>
+              <sources>
+                <source>
+                  src/main/java
+                </source>
+              </sources>
+            </configuration>
+          </execution>
+          <execution>
+            <id>add_test_sources</id>
+            <phase>generate-test-sources</phase>
+            <goals>
+              <goal>add-test-source</goal>
+            </goals>
+            <configuration>
+              <sources>
+                <source>
+                  src/test/java
+                </source>
+              </sources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.7.0</version>
+        <configuration>
+          <source>${jdk.version}</source>
+          <target>${jdk.version}</target>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>net.alchim31.maven</groupId>
+        <artifactId>scala-maven-plugin</artifactId>
+        <version>${scala-maven-plugin-version}</version>
+        <executions>
+          <execution>
+            <id>scala-compile-first</id>
+            <phase>process-resources</phase>
+            <goals>
+              <goal>add-source</goal>
+              <goal>compile</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>scala-test-compile</id>
+            <phase>process-test-resources</phase>
+            <goals>
+              <goal>testCompile</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <args>
+            <arg>-feature</arg>
+          </args>
+          <jvmArgs>
+            <jvmArg>-Xms128m</jvmArg>
+            <jvmArg>-Xmx1500m</jvmArg>
+          </jvmArgs>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+  <reporting>
+    <plugins>
+      <plugin>
+        <groupId>org.scala-tools</groupId>
+        <artifactId>maven-scala-plugin</artifactId>
+        <configuration>
+          <scalaVersion>${scala-version}</scalaVersion>
+        </configuration>
+      </plugin>
+    </plugins>
+  </reporting>
 </project>

modules/swagger-codegen/src/main/resources/akka-scala/requests.mustache

@@ -7,20 +7,34 @@ package {{invokerPackage}}
 
 import java.io.File
 import java.net.URLEncoder
+
 import scala.util.Try
 
 sealed trait ApiReturnWithHeaders {
   def headers: Map[String, String]
+
   def header(name: String): Option[String] = headers.get(name)
-  def getStringHeader(name: String) = header(name)
+
+  def getStringHeader(name: String): Option[String] = header(name)
+
   // workaround: return date time header in string instead of datetime object
-  def getDateTimeHeader(name: String) = header(name)
-  def getIntHeader(name: String) = castedHeader(name, java.lang.Integer.parseInt)
-  def getLongHeader(name: String) = castedHeader(name, java.lang.Long.parseLong)
-  def getFloatHeader(name: String) = castedHeader(name, java.lang.Float.parseFloat)
-  def getDoubleHeader(name: String) = castedHeader(name, java.lang.Double.parseDouble)
-  def getBooleanHeader(name: String) = castedHeader(name, java.lang.Boolean.parseBoolean)
-  private def castedHeader[U](name: String, conversion: String => U): Option[U] = { Try { header(name).map( conversion ) }.get }
+  def getDateTimeHeader(name: String): Option[String] = header(name)
+
+  def getIntHeader(name: String): Option[Int] = castedHeader(name, java.lang.Integer.parseInt)
+
+  def getLongHeader(name: String): Option[Long] = castedHeader(name, java.lang.Long.parseLong)
+
+  def getFloatHeader(name: String): Option[Float] = castedHeader(name, java.lang.Float.parseFloat)
+
+  def getDoubleHeader(name: String): Option[Double] = castedHeader(name, java.lang.Double.parseDouble)
+
+  def getBooleanHeader(name: String): Option[Boolean] = castedHeader(name, java.lang.Boolean.parseBoolean)
+
+  private def castedHeader[U](name: String, conversion: String => U): Option[U] = {
+    Try {
+      header(name).map(conversion)
+    }.get
+  }
 }
 
 sealed case class ApiResponse[T](code: Int, content: T, headers: Map[String, String] = Map.empty)
@@ -28,7 +42,7 @@ sealed case class ApiResponse[T](code: Int, content: T, headers: Map[String, Str
 
 sealed case class ApiError[T](code: Int, message: String, responseContent: Option[T], cause: Throwable = null, headers: Map[String, String] = Map.empty)
   extends Throwable(s"($code) $message.${responseContent.map(s => s" Content : $s").getOrElse("")}", cause)
-  with ApiReturnWithHeaders
+    with ApiReturnWithHeaders
 
 sealed case class ApiMethod(value: String)
 
@@ -74,15 +88,17 @@ object ApiKeyLocations {
   case object QUERY extends ApiKeyLocation
 
   case object HEADER extends ApiKeyLocation
+
 }
 
 
 /**
  * Case class used to unapply numeric values only in pattern matching
+ *
  * @param value the string representation of the numeric value
  */
 sealed case class NumericValue(value: String) {
-  override def toString = value
+  override def toString: String = value
 }
 
 object NumericValue {
@@ -144,9 +160,9 @@ object ParametersMap {
    */
   implicit class ParametersMapImprovements(val m: Map[String, Any]) {
 
-    def asFormattedParamsList = m.toList.flatMap(formattedParams)
+    def asFormattedParamsList: List[(String, Any)] = m.toList.flatMap(formattedParams)
 
-    def asFormattedParams = m.flatMap(formattedParams)
+    def asFormattedParams: Map[String, Any] = m.flatMap(formattedParams)
 
     private def urlEncode(v: Any) = URLEncoder.encode(String.valueOf(v), "utf-8").replaceAll("\\+", "%20")
 
@@ -159,15 +175,13 @@ object ParametersMap {
           case format: MergedArrayFormat => Seq((name, arr.values.mkString(format.separator)))
         }
       case None => Seq.empty
-      case Some(opt) =>
-        formattedParams(name, opt)
-      case s: Seq[Any] =>
-        formattedParams(name, ArrayValues(s))
+      case Some(opt) => formattedParams(name, opt)
+      case s: Seq[Any] => formattedParams(name, ArrayValues(s))
       case v: String => Seq((name, urlEncode(v)))
       case NumericValue(v) => Seq((name, urlEncode(v)))
       case f: File => Seq((name, f))
       case m: ApiModel => Seq((name, m))
     }
-
   }
+
 }