add java version to pom in resteasy eap java8

modules/swagger-codegen/src/main/resources/JavaJaxRS/resteasy/eap/pom.mustache

@@ -9,6 +9,15 @@
     <build>
         <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.6.1</version>
+                <configuration>
+                    <source>{{#java8}}1.8{{/java8}}{{^java8}}1.7{{/java8}}</source>
+                    <target>{{#java8}}1.8{{/java8}}{{^java8}}1.7{{/java8}}</target>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-war-plugin</artifactId>

modules/swagger-codegen/src/main/resources/JavaJaxRS/resteasy/pom.mustache

@@ -9,6 +9,15 @@
     <build>
         <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.6.1</version>
+                <configuration>
+                    <source>{{#java8}}1.8{{/java8}}{{^java8}}1.7{{/java8}}</source>
+                    <target>{{#java8}}1.8{{/java8}}{{^java8}}1.7{{/java8}}</target>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-war-plugin</artifactId>

samples/server/petstore/jaxrs-resteasy/eap-java8/pom.xml

@@ -9,6 +9,15 @@
     <build>
         <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.6.1</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-war-plugin</artifactId>

samples/server/petstore/jaxrs-resteasy/eap-java8/src/gen/java/io/swagger/model/Pet.java

@@ -19,8 +19,8 @@ public class Pet   {
   private Long id = null;
   private Category category = null;
   private String name = null;
-  private List<String> photoUrls = new ArrayList<String>();
+  private List<String> photoUrls = new ArrayList<>();
-  private List<Tag> tags = new ArrayList<Tag>();
+  private List<Tag> tags = new ArrayList<>();
 
   /**
    * pet status in the store