[#1800] Update compiler for support to java 8

framework/dependencies.yml

@@ -44,7 +44,7 @@ require:    &allDependencies
     - org.apache.ivy -> ivy 2.3.0
     - org.bouncycastle -> bcprov-jdk15 1.45
     - org.codehaus.groovy -> groovy-all 1.8.6
-    - org.eclipse.jdt.core 3.7.1.v_B76_R37x 
+    - org.eclipse.jdt.core 3.9.50.v20140317-1741
     - org.hibernate -> hibernate-core 4.1.3.Final
     - org.hibernate -> hibernate-commons-annotations 4.0.1.Final
     - org.hibernate -> hibernate-entitymanager 4.1.3.Final

framework/src/play/classloading/ApplicationCompiler.java

@@ -55,13 +55,17 @@ public ApplicationCompiler(ApplicationClasses applicationClasses) {
             javaVersion = CompilerOptions.VERSION_1_6;
         } else if (System.getProperty("java.version").startsWith("1.7")) {
             javaVersion = CompilerOptions.VERSION_1_7;
+        } else if (System.getProperty("java.version").startsWith("1.8")) {
+            javaVersion = CompilerOptions.VERSION_1_8;
         }
         if("1.5".equals(Play.configuration.get("java.source"))) {
             javaVersion = CompilerOptions.VERSION_1_5;
         } else if("1.6".equals(Play.configuration.get("java.source"))) {
             javaVersion = CompilerOptions.VERSION_1_6;
         } else if("1.7".equals(Play.configuration.get("java.source"))) {
             javaVersion = CompilerOptions.VERSION_1_7;
+        }else if("1.8".equals(Play.configuration.get("java.source"))) {
+            javaVersion = CompilerOptions.VERSION_1_8;
         }
         this.settings.put(CompilerOptions.OPTION_Source, javaVersion);
         this.settings.put(CompilerOptions.OPTION_TargetPlatform, javaVersion);
@@ -113,6 +117,12 @@ public ApplicationCompiler(ApplicationClasses applicationClasses) {
         public char[][] getPackageName() {
             return packageName;
         }
+
+        @Override
+        public boolean ignoreOptionalProblems() {
+            // TODO Auto-generated method stub
+            return false;
+        }
     }
 
     /**