Optimizing Generate Code Function in Translator and updating enum/union to support a special hierarchical scenario

Change-Id: I14a971ff6fcda6ae5e86ffe4c11d17a844e371ce
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaSubModule.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaSubModule.java
index 34de136..177fad8 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaSubModule.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaSubModule.java
@@ -16,31 +16,22 @@
 package org.onosproject.yangutils.translator.tojava.javamodel;
 
 import java.io.IOException;
-
 import org.onosproject.yangutils.datamodel.YangBelongsTo;
 import org.onosproject.yangutils.datamodel.YangSubModule;
 import org.onosproject.yangutils.translator.exception.TranslatorException;
-import org.onosproject.yangutils.translator.tojava.HasJavaFileInfo;
-import org.onosproject.yangutils.translator.tojava.HasJavaImportData;
-import org.onosproject.yangutils.translator.tojava.HasTempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.translator.tojava.JavaCodeGenerator;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
 import org.onosproject.yangutils.translator.tojava.JavaImportData;
 import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
+import org.onosproject.yangutils.translator.tojava.utils.YangJavaModelUtils;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getCamelCase;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getCaptialCase;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getPackageDirPathFromJavaJPackage;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getRootPackage;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getAbsolutePackagePath;
 
 /**
- * Represents Sub module information extended to support java code generation.
+ * Represents sub module information extended to support java code generation.
  */
-public class YangJavaSubModule extends YangSubModule
-        implements JavaCodeGenerator, HasJavaFileInfo,
-        HasJavaImportData, HasTempJavaCodeFragmentFiles {
+public class YangJavaSubModule extends YangSubModule implements JavaCodeGeneratorInfo, JavaCodeGenerator {
 
     /**
      * Contains the information of the java file being generated.
@@ -76,7 +67,6 @@
      */
     @Override
     public JavaFileInfo getJavaFileInfo() {
-
         if (javaFileInfo == null) {
             throw new TranslatorException("Missing java info in java datamodel node");
         }
@@ -150,33 +140,18 @@
      * Prepare the information for java code generation corresponding to YANG
      * container info.
      *
-     * @param codeGenDir code generation directory
+     * @param baseCodeGenDir code generation directory
      * @throws IOException IO operation fail
      */
     @Override
-    public void generateCodeEntry(String codeGenDir) throws IOException {
-
-        getJavaFileInfo().setJavaName(getCaptialCase(getCamelCase(getName())));
-        getJavaFileInfo().setPackage(getRootPackage(getVersion(),
-                getNameSpaceFromModule(getBelongsTo()),
-                getRevision().getRevDate()));
-        getJavaFileInfo().setPackageFilePath(
-                getPackageDirPathFromJavaJPackage(getJavaFileInfo().getPackage()));
-        getJavaFileInfo().setBaseCodeGenPath(codeGenDir);
-
-        String absloutePath = getAbsolutePackagePath(
-                getJavaFileInfo().getBaseCodeGenPath(),
-                getJavaFileInfo().getPackageFilePath());
-
-        setTempJavaCodeFragmentFiles(new TempJavaCodeFragmentFiles(
-                getJavaFileInfo().getGeneratedFileTypes(), absloutePath,
-                getJavaFileInfo().getJavaName()));
-
-        getTempJavaCodeFragmentFiles().addCurNodeLeavesInfoToTempFiles(this);
+    public void generateCodeEntry(String baseCodeGenDir) throws IOException {
+        String subModulePkg = getRootPackage(getVersion(), getNameSpaceFromModule(getBelongsTo()),
+                getRevision().getRevDate());
+        YangJavaModelUtils.generateCodeOfRootNode(this, baseCodeGenDir, subModulePkg);
     }
 
     /**
-     * Create a java file using the YANG grouping info.
+     * Creates a java file using the YANG grouping info.
      */
     @Override
     public void generateCodeExit() {