[ONOS-3906],[ONOS-3910] Implementation of YANG module and leaf/leaf-list translator.

Change-Id: If1a8a991ffafa14b51211f97c435176ee1bf856f
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/CachedFileHandle.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/CachedFileHandle.java
new file mode 100644
index 0000000..cd5fa81
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/CachedFileHandle.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.translator;
+
+import java.io.IOException;
+
+import org.onosproject.yangutils.datamodel.YangType;
+
+/**
+ * Cached java file handle, which supports the addition of member attributes and
+ * methods.
+ */
+public interface CachedFileHandle {
+
+    /**
+     * Add a new attribute to the file(s).
+     *
+     * @param attrType data type of the added attribute.
+     * @param name name of the attribute.
+     * @param isListAttr if the current added attribute needs to be maintained
+     *            in a list.
+     */
+    void addAttributeInfo(YangType<?> attrType, String name, boolean isListAttr);
+
+    /**
+     * Flushes the cached contents to the target file, frees used resources.
+     *
+     * @throws IOException when failes to generated java files.
+     */
+    void close() throws IOException;
+}
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/CodeGenerator.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/CodeGenerator.java
index b0ed97c..ec5a0e5 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/CodeGenerator.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/CodeGenerator.java
@@ -16,6 +16,8 @@
 
 package org.onosproject.yangutils.translator;
 
+import java.io.IOException;
+
 /**
  * Abstraction of an entity which provides Code generator functionalities.
  */
@@ -23,12 +25,16 @@
 
     /**
      * Traverse the schema of application and generate corresponding code.
+     *
+     * @throws IOException when fails to translate the data model tree.
      */
-    void generateJavaCodeEntry();
+    void generateJavaCodeEntry() throws IOException;
 
     /**
      * Traverse the schema of application and generate corresponding code.
+     *
+     * @throws IOException when fails to generate java code.
      */
-    void generateJavaCodeExit();
+    void generateJavaCodeExit() throws IOException;
 
 }
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/GeneratedFileType.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/GeneratedFileType.java
index 6a285c7..b623fb1 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/GeneratedFileType.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/GeneratedFileType.java
@@ -1,16 +1,19 @@
-/*Copyright 2016.year Open Networking Laboratory
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.*/
 package org.onosproject.yangutils.translator;
 
 /**
@@ -18,17 +21,27 @@
  */
 public enum GeneratedFileType {
     /**
-     * interface file.
+     * Interface file.
      */
     INTERFACE,
 
     /**
-     * class file.
+     * Builder class file.
      */
     BUILDER_CLASS,
 
     /**
+     * Builder interface file.
+     */
+    BUILDER_INTERFACE,
+
+    /**
+     * Impl class file.
+     */
+    IMPL,
+
+    /**
      * interface and class file.
      */
-    BOTH
+    ALL
 }
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/AttributeInfo.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/AttributeInfo.java
new file mode 100644
index 0000000..c61c96c
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/AttributeInfo.java
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.translator.tojava;
+
+import java.io.Serializable;
+
+import org.onosproject.yangutils.datamodel.YangType;
+
+/**
+ * Maintains the attribute info corresponding to class/interface generated.
+ */
+public class AttributeInfo implements Serializable {
+
+    /**
+     * version of serialized info.
+     */
+    private static final long serialVersionUID = 201602151004L;
+
+    /**
+     * The data type info of attribute.
+     */
+    private YangType<?> attrType;
+
+    /**
+     * Name of the attribute.
+     */
+    private String name;
+
+    /**
+     * If the added attribute is a list of info.
+     */
+    private boolean isListAttr;
+
+    /**
+     * If the added attribute has to be accessed in a fully qualified manner.
+     */
+    private boolean isQualifiedName;
+
+    /**
+     * Default constructor.
+     */
+    public AttributeInfo() {
+    }
+
+    /**
+     * Get the data type info of attribute.
+     *
+     * @return the data type info of attribute.
+     */
+    public YangType<?> getAttributeType() {
+        return attrType;
+    }
+
+    /**
+     * Set the data type info of attribute.
+     *
+     * @param type the data type info of attribute.
+     */
+    public void setAttributeType(YangType<?> type) {
+        attrType = type;
+    }
+
+    /**
+     * Get name of the attribute.
+     *
+     * @return name of the attribute.
+     */
+    public String getAttributeName() {
+        return name;
+    }
+
+    /**
+     * Set name of the attribute.
+     *
+     * @param attrName name of the attribute.
+     */
+    public void setAttributeName(String attrName) {
+        name = attrName;
+    }
+
+    /**
+     * Get if the added attribute is a list of info.
+     *
+     * @return the if the added attribute is a list of info.
+     */
+    public boolean isListAttr() {
+        return isListAttr;
+    }
+
+    /**
+     * Set if the added attribute is a list of info.
+     *
+     * @param isList if the added attribute is a list of info.
+     */
+    public void setListAttr(boolean isList) {
+        isListAttr = isList;
+    }
+
+    /**
+     * Get if the added attribute has to be accessed in a fully qualified
+     * manner.
+     *
+     * @return the if the added attribute has to be accessed in a fully
+     *         qualified manner.
+     */
+    public boolean isQualifiedName() {
+        return isQualifiedName;
+    }
+
+    /**
+     * Set if the added attribute has to be accessed in a fully qualified
+     * manner.
+     *
+     * @param isQualified if the added attribute has to be accessed in a fully
+     *            qualified manner.
+     */
+    public void setQualifiedName(boolean isQualified) {
+        isQualifiedName = isQualified;
+    }
+
+}
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/CachedJavaFileHandle.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/CachedJavaFileHandle.java
new file mode 100644
index 0000000..86656e9
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/CachedJavaFileHandle.java
@@ -0,0 +1,652 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.translator.tojava;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+import org.onosproject.yangutils.datamodel.YangType;
+import org.onosproject.yangutils.translator.CachedFileHandle;
+import org.onosproject.yangutils.translator.GeneratedFileType;
+import org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen;
+import org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax;
+import org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator;
+import org.onosproject.yangutils.utils.UtilConstants;
+import org.onosproject.yangutils.utils.io.impl.FileSystemUtil;
+import org.onosproject.yangutils.utils.io.impl.JavaDocGen;
+import org.onosproject.yangutils.utils.io.impl.SerializedDataStore;
+import org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType;
+import org.onosproject.yangutils.utils.io.impl.CopyrightHeader;
+
+import static org.slf4j.LoggerFactory.getLogger;
+import org.slf4j.Logger;
+
+/**
+ * Maintain the information about the java file to be generated.
+ */
+public class CachedJavaFileHandle implements CachedFileHandle {
+
+    private static final Logger log = getLogger(CachedJavaFileHandle.class);
+
+    private static final int MAX_CACHABLE_ATTR = 64;
+    private static final String JAVA_FILE_EXTENSION = ".java";
+    private static final String TEMP_FILE_EXTENSION = ".tmp";
+
+    /**
+     * The type(s) of java source file(s) to be generated when the cached file
+     * handle is closed.
+     */
+    private GeneratedFileType genFileTypes;
+
+    /**
+     * The type(s) of java method to be generated when the cached file handle is
+     * closed.
+     */
+    private GeneratedMethodTypes genMethodTypes;
+
+    /**
+     * Java package in which the class/interface needs to be generated.
+     */
+    private String pkg;
+
+    /**
+     * Name of the object in YANG file.
+     */
+    private String yangName;
+
+    /**
+     * Sorted set of import info, to be used to maintain the set of classes to
+     * be imported in the generated class.
+     */
+    private SortedSet<ImportInfo> importSet;
+
+    /**
+     * Cached list of attribute info.
+     */
+    private List<AttributeInfo> attributeList;
+
+    /**
+     * Prevent invoking default constructor.
+     */
+    private CachedJavaFileHandle() {
+        setCachedAttributeList(new LinkedList<AttributeInfo>());
+    }
+
+    /**
+     * Create a cached file handle which takes care of adding attributes to the
+     * generated java file.
+     *
+     * @param pcg package in which class/interface need to be generated.
+     * @param yangName name of the attribute in YANG file.
+     * @param types the types of files that needs to be generated.
+     * @throws IOException file IO exception.
+     */
+    public CachedJavaFileHandle(String pcg, String yangName, GeneratedFileType types) throws IOException {
+        if ((new File(pcg).exists())) {
+            setGeneratedFileTypes(types);
+            setPackage(pcg);
+            setYangName(yangName);
+        } else {
+            FileSystemUtil.createPackage(pcg, yangName);
+            setGeneratedFileTypes(types);
+            setPackage(pcg);
+            setYangName(yangName);
+        }
+    }
+
+    /**
+     * Get the types of files being generated corresponding to the YANG
+     * definition.
+     *
+     * @return the types of files being generated corresponding to the YANG
+     *         definition.
+     */
+    public GeneratedFileType getGeneratedFileTypes() {
+        return genFileTypes;
+    }
+
+    /**
+     * Set the types of files being generated corresponding to the YANG
+     * definition.
+     *
+     * @param fileTypes the types of files being generated corresponding to the
+     *            YANG definition.
+     */
+    public void setGeneratedFileTypes(GeneratedFileType fileTypes) {
+        genFileTypes = fileTypes;
+    }
+
+    /**
+     * Get the corresponding name defined in YANG.
+     *
+     * @return the corresponding name defined in YANG.
+     */
+    public String getYangName() {
+        return yangName;
+    }
+
+    /**
+     * Set the corresponding name defined in YANG.
+     *
+     * @param yangName the corresponding name defined in YANG.
+     */
+    public void setYangName(String yangName) {
+        this.yangName = yangName;
+    }
+
+    /**
+     * Get the java package.
+     *
+     * @return the java package.
+     */
+    public String getPackage() {
+        return pkg;
+    }
+
+    /**
+     * Set the java package.
+     *
+     * @param pcg the package to set
+     */
+    public void setPackage(String pcg) {
+        pkg = pcg;
+    }
+
+    /**
+     * Get the set containing the imported class/interface info.
+     *
+     * @return the set containing the imported class/interface info.
+     */
+    public SortedSet<ImportInfo> getImportSet() {
+        return importSet;
+    }
+
+    /**
+     * Assign the set containing the imported class/interface info.
+     *
+     * @param importSet the set containing the imported class/interface info.
+     */
+    private void setImportSet(SortedSet<ImportInfo> importSet) {
+        this.importSet = importSet;
+    }
+
+    /**
+     * Add an imported class/interface info is it is not already part of the
+     * set. If already part of the set, return false, else add to set and return
+     * true.
+     *
+     * @param importInfo class/interface info being imported.
+     * @return status of new addition of class/interface to the import set
+     */
+    public boolean addImportInfo(ImportInfo importInfo) {
+        /*
+         * implement the import info adding. The return value will be used to
+         * check if the qualified name will be used or class/interface name will
+         * be used in the generated class.
+         */
+        if (getImportSet() == null) {
+            setImportSet(new TreeSet<ImportInfo>());
+        }
+        return getImportSet().add(importInfo);
+    }
+
+    /**
+     * Get the list of cached attribute list.
+     *
+     * @return the set containing the imported class/interface info.
+     */
+    public List<AttributeInfo> getCachedAttributeList() {
+        return attributeList;
+    }
+
+    /**
+     * Set the cached attribute list.
+     *
+     * @param attrList attribute list.
+     */
+    private void setCachedAttributeList(List<AttributeInfo> attrList) {
+        attributeList = attrList;
+    }
+
+    /**
+     * Flush the cached attribute list to the serialized file.
+     */
+    private void flushCacheAttrToSerFile() {
+
+        for (AttributeInfo attr : getCachedAttributeList()) {
+            parseAttributeInfo(attr);
+        }
+
+        /*
+         * clear the contents from the cached attribute list.
+         */
+        getCachedAttributeList().clear();
+    }
+
+    /**
+     * Add a new attribute to the file(s).
+     *
+     * @param attrType data type of the added attribute.
+     * @param name name of the attribute.
+     * @param isListAttr if the current added attribute needs to be maintained
+     *            in a list.
+     */
+    @Override
+    public void addAttributeInfo(YangType<?> attrType, String name, boolean isListAttr) {
+
+        AttributeInfo newAttr = new AttributeInfo();
+        attrType.setDataTypeName(attrType.getDataTypeName().replace("\"", ""));
+        if (attrType.getDataTypeName().equals("string")) {
+            attrType.setDataTypeName(
+                    attrType.getDataTypeName().substring(0, 1).toUpperCase() + attrType.getDataTypeName().substring(1));
+        }
+        newAttr.setAttributeType(attrType);
+        newAttr.setAttributeName(name);
+        newAttr.setListAttr(isListAttr);
+
+        /*
+         * TODO: get the prefix and name of data type from attrType and
+         * initialize in importInfo.
+         */
+
+        /**
+         * TODO: Handle QualifiedFlag for imports.
+         */
+
+        if (getCachedAttributeList() != null) {
+            if (getCachedAttributeList().size() == MAX_CACHABLE_ATTR) {
+                flushCacheAttrToSerFile();
+            }
+            getCachedAttributeList().add(newAttr);
+        } else {
+            List<AttributeInfo> newAttributeInfo = new LinkedList<>();
+            newAttributeInfo.add(newAttr);
+            setCachedAttributeList(newAttributeInfo);
+        }
+        name = JavaIdentifierSyntax.getCamelCase(name);
+    }
+
+    /**
+     * Flushes the cached contents to the target file, frees used resources.
+     */
+    @Override
+    public void close() throws IOException {
+
+        String className = getYangName();
+        className = (className.substring(0, 1).toUpperCase() + className.substring(1));
+        String packagePath = getPackage();
+        String filePath = UtilConstants.YANG_GEN_DIR + packagePath.replace(".", "/");
+        GeneratedFileType fileType = getGeneratedFileTypes();
+
+        /**
+         * Create interface file.
+         */
+        String interfaceFileName = className + JAVA_FILE_EXTENSION;
+        File interfaceFile = new File(filePath + File.separator + interfaceFileName);
+
+        /**
+         * Create temp builder interface file.
+         */
+        String builderInterfaceFileName = interfaceFileName + TEMP_FILE_EXTENSION;
+        File builderInterfaceFile = new File(filePath + File.separator + builderInterfaceFileName);
+
+        /**
+         * Create builder class file.
+         */
+        String builderFileName = className + UtilConstants.BUILDER + JAVA_FILE_EXTENSION;
+        File builderFile = new File(filePath + File.separator + builderFileName);
+        MethodsGenerator.setBuilderClassName(className + UtilConstants.BUILDER);
+
+        /**
+         * Create temp impl class file.
+         */
+
+        String implFileName = className + UtilConstants.IMPL + TEMP_FILE_EXTENSION;
+        File implTempFile = new File(filePath + File.separator + implFileName);
+
+        if (fileType.equals(GeneratedFileType.INTERFACE) || fileType.equals(GeneratedFileType.ALL)) {
+
+            try {
+                interfaceFile.createNewFile();
+                appendContents(interfaceFile, className, GeneratedFileType.INTERFACE);
+            } catch (IOException e) {
+                throw new IOException("Failed to create interface file.");
+            }
+        }
+
+        if (fileType.equals(GeneratedFileType.BUILDER_CLASS) || fileType.equals(GeneratedFileType.ALL)) {
+
+            try {
+                builderFile.createNewFile();
+                appendContents(builderFile, className, GeneratedFileType.BUILDER_CLASS);
+            } catch (IOException e) {
+                throw new IOException("Failed to create builder class file.");
+            }
+        }
+
+        if (fileType.equals(GeneratedFileType.IMPL) || fileType.equals(GeneratedFileType.ALL)) {
+
+            try {
+                implTempFile.createNewFile();
+                appendContents(implTempFile, className, GeneratedFileType.IMPL);
+            } catch (IOException e) {
+                throw new IOException("Failed to create impl class file.");
+            }
+        }
+
+        if (fileType.equals(GeneratedFileType.BUILDER_INTERFACE) || fileType.equals(GeneratedFileType.ALL)) {
+
+            try {
+                builderInterfaceFile.createNewFile();
+                appendContents(builderInterfaceFile, className, GeneratedFileType.BUILDER_INTERFACE);
+            } catch (IOException e) {
+                throw new IOException("Failed to create builder interface class file.");
+            }
+        }
+        /*
+         * TODO: add the file header using
+         * JavaCodeSnippetGen.getFileHeaderComment
+         */
+        /*
+         * TODO: get the import list using getImportText and add to the
+         * generated java file using JavaCodeSnippetGen.getImportText
+         */
+
+        List<String> attributes = new LinkedList<>();
+        List<String> interfaceMethods = new LinkedList<>();
+        List<String> builderInterfaceMethods = new LinkedList<>();
+        List<String> builderClassMethods = new LinkedList<>();
+        List<String> implClassMethods = new LinkedList<>();
+        //TODO: Handle imports for the attributes.
+        try {
+            attributes = SerializedDataStore.getSerializeData(SerializedDataStore.SerializedDataStoreType.ATTRIBUTE);
+
+            interfaceMethods = SerializedDataStore
+                    .getSerializeData(SerializedDataStore.SerializedDataStoreType.INTERFACE_METHODS);
+
+            builderInterfaceMethods = SerializedDataStore
+                    .getSerializeData(SerializedDataStore.SerializedDataStoreType.BUILDER_INTERFACE_METHODS);
+
+            builderClassMethods = SerializedDataStore
+                    .getSerializeData(SerializedDataStore.SerializedDataStoreType.BUILDER_METHODS);
+
+            implClassMethods = SerializedDataStore
+                    .getSerializeData(SerializedDataStore.SerializedDataStoreType.IMPL_METHODS);
+
+            //TODO:imports = SerializedDataStore.getSerializeData(SerializedDataStore.SerializedDataStoreType.IMPORT);
+        } catch (ClassNotFoundException | IOException e) {
+            log.info("There is no attribute info of " + className + " YANG file in the serialized files.");
+        }
+
+        if (getCachedAttributeList() != null) {
+            MethodsGenerator.setAttrInfo(getCachedAttributeList());
+            for (AttributeInfo attr : getCachedAttributeList()) {
+                attributes.add(getAttributeString(attr));
+
+                interfaceMethods.add(MethodsGenerator.getMethodString(attr, GeneratedFileType.INTERFACE));
+
+                builderClassMethods.add(MethodsGenerator.getMethodString(attr, GeneratedFileType.BUILDER_CLASS));
+
+                builderInterfaceMethods
+                .add(MethodsGenerator.getMethodString(attr, GeneratedFileType.BUILDER_INTERFACE));
+
+                implClassMethods.add(MethodsGenerator.getMethodString(attr, GeneratedFileType.IMPL));
+            }
+        }
+
+        builderInterfaceMethods.add(MethodsGenerator.parseBuilderInterfaceBuildMethodString(className));
+        builderClassMethods.add(UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.JAVA_DOC_FIRST_LINE
+                + MethodsGenerator.getDefaultConstructorString(GeneratedFileType.BUILDER_CLASS, className));
+        builderClassMethods.add(MethodsGenerator.getBuildString(className));
+
+        implClassMethods.add(UtilConstants.JAVA_DOC_FIRST_LINE
+                + MethodsGenerator.getDefaultConstructorString(GeneratedFileType.IMPL, className));
+        implClassMethods.add(MethodsGenerator.getConstructorString(className));
+
+        /**
+         * Add attributes to the file.
+         */
+        for (String attribute : attributes) {
+            insert(builderFile, UtilConstants.NEW_LINE + UtilConstants.FOUR_SPACE_INDENTATION + attribute);
+            insert(implTempFile, UtilConstants.NEW_LINE + UtilConstants.FOUR_SPACE_INDENTATION + attribute);
+        }
+
+        insert(builderFile, UtilConstants.NEW_LINE);
+        insert(implTempFile, UtilConstants.NEW_LINE);
+
+        /**
+         * Add getter methods to interface file.
+         */
+        for (String method : interfaceMethods) {
+            appendMethod(interfaceFile, method + UtilConstants.NEW_LINE);
+        }
+
+        /**
+         * Add getters and setters in builder interface.
+         */
+        for (String method : builderInterfaceMethods) {
+            appendMethod(builderInterfaceFile, UtilConstants.FOUR_SPACE_INDENTATION + method + UtilConstants.NEW_LINE);
+        }
+
+        insert(builderInterfaceFile, UtilConstants.CLOSE_CURLY_BRACKET + UtilConstants.NEW_LINE);
+        /**
+         * Add methods in builder class.
+         */
+        for (String method : builderClassMethods) {
+            appendMethod(builderFile, method + UtilConstants.NEW_LINE);
+        }
+
+        /**
+         * Add methods in impl class.
+         */
+        for (String method : implClassMethods) {
+            appendMethod(implTempFile, UtilConstants.FOUR_SPACE_INDENTATION + method + UtilConstants.NEW_LINE);
+        }
+
+        insert(implTempFile, UtilConstants.CLOSE_CURLY_BRACKET + UtilConstants.NEW_LINE);
+
+        /**
+         * Append builder interface file to interface file and close it.
+         */
+        appendFileContents(builderInterfaceFile, interfaceFile);
+        insert(interfaceFile, closeFile(GeneratedFileType.INTERFACE, interfaceFileName));
+
+        /**
+         * Append impl class to builder class and close it.
+         */
+        appendFileContents(implTempFile, builderFile);
+        insert(builderFile, closeFile(GeneratedFileType.BUILDER_CLASS, builderFileName));
+
+        /**
+         * Remove temp files.
+         */
+        clean(implTempFile);
+        clean(builderInterfaceFile);
+    }
+
+    /**
+     * Appends the temp files to main files.
+     *
+     * @param appendFile temp file
+     * @param srcFile main file
+     */
+    private static void appendFileContents(File appendFile, File srcFile) throws IOException {
+        try {
+            FileSystemUtil.appendFileContents(appendFile, srcFile);
+        } catch (IOException e) {
+            throw new IOException("Failed to append " + appendFile + " in " + srcFile);
+        }
+    }
+
+    /**
+     * Append methods to the generated files.
+     *
+     * @param file file in which method needs to be appended.
+     * @param method method which needs to be appended.
+     */
+    private static void appendMethod(File file, String method) throws IOException {
+        insert(file, method);
+    }
+
+    /**
+     * Closes the current generated file.
+     *
+     * @param fileType generate file type
+     * @param yangName file name
+     * @return end of class definition string.
+     */
+    private static String closeFile(GeneratedFileType fileType, String yangName) {
+        return JavaCodeSnippetGen.getJavaClassDefClose(fileType, yangName);
+    }
+
+    /**
+     * Parses attribute info and fetch specific data and creates serialized
+     * files of it.
+     *
+     * @param attr attribute info.
+     */
+    private void parseAttributeInfo(AttributeInfo attr) {
+
+        String attrString = "";
+        String methodString = "";
+        String getterString = "";
+
+        try {
+            /*
+             * Serialize attributes.
+             */
+            attrString = getAttributeString(attr);
+            attrString = attrString.replace("\"", "");
+            SerializedDataStore.setSerializeData(attrString, SerializedDataStore.SerializedDataStoreType.ATTRIBUTE);
+
+            if (getGeneratedFileTypes().equals(GeneratedFileType.ALL)) {
+
+                methodString = MethodsGenerator.getMethodString(attr, GeneratedFileType.INTERFACE);
+                SerializedDataStore.setSerializeData(methodString,
+                        SerializedDataStore.SerializedDataStoreType.INTERFACE_METHODS);
+
+                methodString = MethodsGenerator.getMethodString(attr, GeneratedFileType.BUILDER_CLASS);
+                SerializedDataStore.setSerializeData(methodString,
+                        SerializedDataStore.SerializedDataStoreType.BUILDER_METHODS);
+
+                methodString = MethodsGenerator.getMethodString(attr, GeneratedFileType.BUILDER_INTERFACE);
+                SerializedDataStore.setSerializeData(methodString,
+                        SerializedDataStore.SerializedDataStoreType.BUILDER_INTERFACE_METHODS);
+
+                methodString = MethodsGenerator.getMethodString(attr, GeneratedFileType.IMPL);
+                SerializedDataStore.setSerializeData(methodString,
+                        SerializedDataStore.SerializedDataStoreType.IMPL_METHODS);
+
+            } else if (getGeneratedFileTypes().equals(GeneratedFileType.INTERFACE)) {
+
+                getterString = MethodsGenerator.getGetterString(attr);
+                SerializedDataStore.setSerializeData(methodString,
+                        SerializedDataStore.SerializedDataStoreType.INTERFACE_METHODS);
+            }
+        } catch (IOException e) {
+            log.info("Failed to get data for " + attr.getAttributeName() + " from serialized files.");
+        }
+    }
+
+    /**
+     * Returns attribute string.
+     *
+     * @param attr attribute info
+     * @return attribute string
+     */
+    private String getAttributeString(AttributeInfo attr) {
+        return JavaCodeSnippetGen.getJavaAttributeInfo(getGeneratedFileTypes(), attr.getAttributeName(),
+                attr.getAttributeType());
+    }
+
+    /**
+     * Appends all the contents into a generated java file.
+     *
+     * @param file generated file
+     * @param fileName generated file name
+     * @param type generated file type
+     */
+    private void appendContents(File file, String fileName, GeneratedFileType type) throws IOException {
+
+        if (type.equals(GeneratedFileType.IMPL)) {
+
+            write(file, fileName, type, JavaDocType.IMPL_CLASS);
+        } else if (type.equals(GeneratedFileType.BUILDER_INTERFACE)) {
+
+            write(file, fileName, type, JavaDocType.BUILDER_INTERFACE);
+        } else {
+
+            // TODO: handle imports for attributes.
+
+            if (type.equals(GeneratedFileType.INTERFACE)) {
+                insert(file, CopyrightHeader.getCopyrightHeader());
+                insert(file, "package" + UtilConstants.SPACE + getPackage() + UtilConstants.SEMI_COLAN
+                        + UtilConstants.NEW_LINE);
+                write(file, fileName, type, JavaDocType.INTERFACE);
+            } else if (type.equals(GeneratedFileType.BUILDER_CLASS)) {
+                insert(file, CopyrightHeader.getCopyrightHeader());
+                insert(file, "package" + UtilConstants.SPACE + getPackage() + UtilConstants.SEMI_COLAN
+                        + UtilConstants.NEW_LINE);
+                write(file, fileName, type, JavaDocType.BUILDER_CLASS);
+            }
+        }
+    }
+
+    /**
+     * Write data to the specific generated file.
+     *
+     * @param file generated file
+     * @param fileName file name
+     * @param genType generated file type
+     * @param javaDocType java doc type
+     */
+    private static void write(File file, String fileName, GeneratedFileType genType, JavaDocGen.JavaDocType javaDocType)
+            throws IOException {
+
+        insert(file, JavaDocGen.getJavaDoc(javaDocType, fileName));
+        insert(file, JavaCodeSnippetGen.getJavaClassDefStart(genType, fileName));
+    }
+
+    /**
+     * Insert in the generated file.
+     *
+     * @param file file in which need to be inserted.
+     * @param data data which need to be inserted.
+     */
+    private static void insert(File file, String data) throws IOException {
+        try {
+            FileSystemUtil.insertStringInFile(file, data);
+        } catch (IOException e) {
+            throw new IOException("Failed to insert in " + file + "file");
+        }
+    }
+
+    /**
+     * Removes temp files.
+     *
+     * @param file file to be removed.
+     */
+    private static void clean(File file) {
+        if (file.exists()) {
+            file.delete();
+        }
+    }
+}
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedMethodTypes.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedMethodTypes.java
new file mode 100644
index 0000000..f733419
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedMethodTypes.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.translator.tojava;
+
+/**
+ * Type of method generated.
+ */
+public enum GeneratedMethodTypes {
+    /**
+     * getter method.
+     */
+    GETTER,
+
+    /**
+     * setter method.
+     */
+    SETTER,
+
+    /**
+     * Constructor.
+     */
+    CONSTRUCTOR,
+
+    /**
+     * Build.
+     */
+    BUILD,
+
+    /**
+     * Default Constructor.
+     */
+    DEFAULT_CONSTRUCTOR
+}
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/ImportInfo.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/ImportInfo.java
new file mode 100644
index 0000000..76d691d
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/ImportInfo.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.translator.tojava;
+
+import java.util.Objects;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Maintains the information about individual imports in the generated file.
+ */
+public class ImportInfo {
+
+    /**
+     * Package location where the imported class/interface is defined.
+     */
+    private String pkgInfo;
+
+    /**
+     * class/interface being referenced.
+     */
+    private String classInfo;
+
+    /**
+     * Default constructor.
+     */
+    public ImportInfo() {
+    }
+
+    /**
+     * Get the imported package info.
+     *
+     * @return the imported package info.
+     */
+    public String getPkgInfo() {
+        return pkgInfo;
+    }
+
+    /**
+     * Set the imported package info.
+     *
+     * @param pkgInfo the imported package info.
+     */
+    public void setPkgInfo(String pkgInfo) {
+        this.pkgInfo = pkgInfo;
+    }
+
+    /**
+     * Get the imported class/interface info.
+     *
+     * @return the imported class/interface info.
+     */
+    public String getClassInfo() {
+        return classInfo;
+    }
+
+    /**
+     * Set the imported class/interface info.
+     *
+     * @param classInfo the imported class/interface info.
+     */
+    public void setClassInfo(String classInfo) {
+        this.classInfo = classInfo;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(pkgInfo, classInfo);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof ImportInfo) {
+            ImportInfo other = (ImportInfo) obj;
+            return Objects.equals(pkgInfo, other.pkgInfo) &&
+                    Objects.equals(classInfo, other.classInfo);
+        }
+        return false;
+    }
+
+    /**
+     * check if the import info matches.
+     *
+     * @param importInfo matched import
+     * @return if equal or not
+     */
+    public boolean exactMatch(ImportInfo importInfo) {
+        return equals(importInfo)
+                && Objects.equals(pkgInfo, importInfo.getPkgInfo())
+                && Objects.equals(classInfo, importInfo.getClassInfo());
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("pkgInfo", pkgInfo)
+                .add("classInfo", classInfo).toString();
+    }
+
+}
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/JavaCodeGenerator.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/JavaCodeGenerator.java
new file mode 100644
index 0000000..000ab8b
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/JavaCodeGenerator.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.translator.tojava;
+
+import java.io.IOException;
+
+import org.onosproject.yangutils.datamodel.YangNode;
+
+/**
+ * Implementation of Java code generator based on application schema.
+ */
+public final class JavaCodeGenerator {
+
+    /**
+     * Default constructor.
+     */
+    private JavaCodeGenerator() {
+    }
+
+    /**
+     * Generate Java code files corresponding to the YANG schema.
+     *
+     * @param rootNode root node of the data model tree.
+     * @throws IOException when fails to generate java code file the current node.
+     */
+    public static void generateJavaCode(YangNode rootNode) throws IOException {
+        YangNode curNode = rootNode;
+        TraversalType curTraversal = TraversalType.ROOT;
+
+        while (!(curNode == null)) {
+            if (curTraversal != TraversalType.PARENT) {
+                curNode.generateJavaCodeEntry();
+            }
+            if (curTraversal != TraversalType.PARENT && !(curNode.getChild() == null)) {
+                curTraversal = TraversalType.CHILD;
+                curNode = curNode.getChild();
+            } else if (!(curNode.getNextSibling() == null)) {
+                curTraversal = TraversalType.SIBILING;
+                curNode = curNode.getNextSibling();
+            } else {
+                curTraversal = TraversalType.PARENT;
+                curNode.generateJavaCodeExit();
+                curNode = curNode.getParent();
+            }
+        }
+    }
+}
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java
new file mode 100644
index 0000000..736f40c
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.translator.tojava.utils;
+
+import org.onosproject.yangutils.translator.GeneratedFileType;
+import org.onosproject.yangutils.utils.UtilConstants;
+
+/**
+ * Generates class definition for generated files.
+ */
+public final class ClassDefinitionGenerator {
+
+    /**
+     * Default constructor.
+     */
+    private ClassDefinitionGenerator() {
+    }
+
+    /**
+     * Generate class definition for specific classes.
+     *
+     * @param genFileTypes generated file type
+     * @param yangName class name
+     * @return class definition
+     */
+    public static String generateClassDefinition(GeneratedFileType genFileTypes, String yangName) {
+
+        /**
+         * based on the file type and the YANG name of the file, generate
+         * the class / interface definition start.
+         */
+        if (genFileTypes.equals(GeneratedFileType.INTERFACE)) {
+
+            return getInterfaceDefinition(yangName);
+        } else if (genFileTypes.equals(GeneratedFileType.BUILDER_CLASS)) {
+
+            return getBuilderClassDefinition(yangName);
+        } else if (genFileTypes.equals(GeneratedFileType.IMPL)) {
+
+            return getImplClassDefinition(yangName);
+        } else if (genFileTypes.equals(GeneratedFileType.BUILDER_INTERFACE)) {
+
+            return getBuilderInterfaceDefinition();
+        }
+        return null;
+    }
+
+    /**
+     * Returns interface file class definition.
+     *
+     * @param yangName file name
+     * @return definition
+     */
+    private static String getInterfaceDefinition(String yangName) {
+
+        return UtilConstants.PUBLIC + UtilConstants.SPACE + UtilConstants.INTERFACE + UtilConstants.SPACE + yangName
+                + UtilConstants.SPACE + UtilConstants.OPEN_CURLY_BRACKET + UtilConstants.NEW_LINE;
+    }
+
+    /**
+     * Returns builder interface file class definition.
+     *
+     * @return definition
+     */
+    private static String getBuilderInterfaceDefinition() {
+        return UtilConstants.INTERFACE + UtilConstants.SPACE + UtilConstants.BUILDER + UtilConstants.SPACE
+                + UtilConstants.OPEN_CURLY_BRACKET + UtilConstants.NEW_LINE;
+    }
+
+    /**
+     * Returns builder file class definition.
+     *
+     * @param yangName file name
+     * @return definition
+     */
+    private static String getBuilderClassDefinition(String yangName) {
+
+        return UtilConstants.PUBLIC + UtilConstants.SPACE + UtilConstants.CLASS + UtilConstants.SPACE + yangName
+                + UtilConstants.BUILDER + UtilConstants.SPACE + UtilConstants.IMPLEMENTS + UtilConstants.SPACE
+                + yangName + UtilConstants.PERIOD + UtilConstants.BUILDER + UtilConstants.SPACE
+                + UtilConstants.OPEN_CURLY_BRACKET + UtilConstants.NEW_LINE;
+    }
+
+    /**
+     * Returns impl file class definition.
+     *
+     * @param yangName file name
+     * @return definition
+     */
+    private static String getImplClassDefinition(String yangName) {
+
+        return UtilConstants.PUBLIC + UtilConstants.SPACE + UtilConstants.FINAL + UtilConstants.SPACE
+                + UtilConstants.CLASS + UtilConstants.SPACE + yangName + UtilConstants.IMPL + UtilConstants.SPACE
+                + UtilConstants.IMPLEMENTS + UtilConstants.SPACE + yangName + UtilConstants.OPEN_CURLY_BRACKET
+                + UtilConstants.SPACE + UtilConstants.NEW_LINE;
+    }
+
+}
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaCodeSnippetGen.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaCodeSnippetGen.java
new file mode 100644
index 0000000..5998342
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaCodeSnippetGen.java
@@ -0,0 +1,146 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.translator.tojava.utils;
+
+import java.util.List;
+import java.util.SortedSet;
+
+import org.onosproject.yangutils.datamodel.YangType;
+import org.onosproject.yangutils.translator.GeneratedFileType;
+import org.onosproject.yangutils.translator.tojava.GeneratedMethodTypes;
+import org.onosproject.yangutils.translator.tojava.ImportInfo;
+import org.onosproject.yangutils.utils.UtilConstants;
+
+/**
+ * Utility class to generate the java snippet.
+ */
+public final class JavaCodeSnippetGen {
+
+    /**
+     * Default constructor.
+     */
+    private JavaCodeSnippetGen() {
+    }
+
+    /**
+     * Get the java file header comment.
+     *
+     * @return the java file header comment.
+     */
+    public static String getFileHeaderComment() {
+
+        /**
+         * TODO return the file header.
+         */
+        return null;
+    }
+
+    /**
+     * reorder the import list based on the ONOS import rules.
+     *
+     * @param importInfo the set of classes/interfaces to be imported.
+     * @return string of import info.
+     */
+    public List<ImportInfo> sortImportOrder(SortedSet<ImportInfo> importInfo) {
+        /* TODO: reorder the import list based on the ONOS import rules. */
+        return null;
+    }
+
+    /**
+     * Get the textual java code information corresponding to the import list.
+     *
+     * @param importInfo sorted list of import info.
+     * @return the textual java code information corresponding to the import
+     *         list.
+     */
+    public static String getImportText(List<ImportInfo> importInfo) {
+        /*
+         * TODO: get the textual java code information corresponding to the
+         * import list
+         */
+        return null;
+    }
+
+    /**
+     * Based on the file type and the YANG name of the file, generate the class
+     * / interface definition start.
+     *
+     * @param genFileTypes type of file being generated.
+     * @param yangName YANG name.
+     * @return corresponding textual java code information.
+     */
+    public static String getJavaClassDefStart(GeneratedFileType genFileTypes, String yangName) {
+        /*
+         * get the camel case name for java class / interface.
+         */
+        yangName = JavaIdentifierSyntax.getCamelCase(yangName);
+        return ClassDefinitionGenerator.generateClassDefinition(genFileTypes, yangName);
+    }
+
+    /**
+     * Get the textual java code for attribute definition in class.
+     *
+     * @param genFileTypes type of file being generated.
+     * @param yangName YANG name of the the attribute.
+     * @param type type of the the attribute.
+     * @return the textual java code for attribute definition in class.
+     */
+    public static String getJavaAttributeInfo(GeneratedFileType genFileTypes, String yangName, YangType<?> type) {
+        yangName = JavaIdentifierSyntax.getCamelCase(yangName);
+        return UtilConstants.PRIVATE + UtilConstants.SPACE + type.getDataTypeName() + UtilConstants.SPACE + yangName
+                + UtilConstants.SEMI_COLAN;
+    }
+
+    /**
+     * Based on the file type and method type(s) and the YANG name of the
+     * method, generate the method definitions(s).
+     *
+     * @param genFileTypes type of file being generated
+     * @param yangName name if the attribute whose getter / setter is required.
+     * @param methodTypes getter and / or setter type of method indicator.
+     * @param returnType type return type of the method.
+     * @return based on the file type and method type(s) the method
+     *         definitions(s).
+     */
+    public static String getJavaMethodInfo(GeneratedFileType genFileTypes, String yangName,
+            GeneratedMethodTypes methodTypes, YangType<?> returnType) {
+
+        yangName = JavaIdentifierSyntax.getCamelCase(yangName);
+        return MethodsGenerator.constructMethodInfo(genFileTypes, yangName, methodTypes, returnType);
+    }
+
+    /**
+     * Based on the file type and the YANG name of the file, generate the class
+     * / interface definition close.
+     *
+     * @param genFileTypes type of file being generated.
+     * @param yangName YANG name.
+     * @return corresponding textual java code information.
+     */
+    public static String getJavaClassDefClose(GeneratedFileType genFileTypes, String yangName) {
+
+        if (genFileTypes.equals(GeneratedFileType.INTERFACE)) {
+
+            return UtilConstants.CLOSE_CURLY_BRACKET;
+        } else if (genFileTypes.equals(GeneratedFileType.BUILDER_CLASS)) {
+
+            return UtilConstants.CLOSE_CURLY_BRACKET;
+        }
+        return null;
+    }
+
+}
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaIdentifierSyntax.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaIdentifierSyntax.java
new file mode 100644
index 0000000..94bcfeb
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaIdentifierSyntax.java
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.translator.tojava.utils;
+
+import java.util.ArrayList;
+
+import org.onosproject.yangutils.utils.UtilConstants;
+
+/**
+ * Utility Class for translating the name from YANG to java convention.
+ */
+public final class JavaIdentifierSyntax {
+
+    /**
+     * Util class, with static functions only.
+     */
+    private JavaIdentifierSyntax() {
+    }
+
+    /**
+     * Get the root package string.
+     *
+     * @param version YANG version.
+     * @param nameSpace name space of the module.
+     * @param revision revision of the module defined
+     * @return returns the root package string.
+     */
+    public static String getRootPackage(byte version, String nameSpace, String revision) {
+
+        String pkg;
+        pkg = UtilConstants.DEFAULT_BASE_PKG;
+        pkg = pkg + UtilConstants.PERIOD;
+        pkg = pkg + getYangVersion(version);
+        pkg = pkg + UtilConstants.PERIOD;
+        pkg = pkg + getPkgFromNameSpace(nameSpace);
+        pkg = pkg + UtilConstants.PERIOD;
+        pkg = pkg + getYangRevisionStr(revision);
+
+        return pkg;
+    }
+
+    /**
+     * Returns version.
+     *
+     * @param ver YANG version.
+     * @return version
+     */
+    private static String getYangVersion(byte ver) {
+        return "v" + ver;
+    }
+
+    /**
+     * Get package name from name space.
+     *
+     * @param nameSpace name space of YANG module
+     *  @return java package name as per java rules.
+     */
+    public static String getPkgFromNameSpace(String nameSpace) {
+        ArrayList<String> pkgArr = new ArrayList<String>();
+        nameSpace = nameSpace.replace("\"", "");
+
+        String[] nameSpaceArr = nameSpace.split(UtilConstants.COLAN);
+
+        for (String nameSpaceString : nameSpaceArr) {
+            pkgArr.add(nameSpaceString);
+        }
+        return getPkgFrmArr(pkgArr);
+    }
+
+    /**
+     * Returns revision string array.
+     *
+     * @param date YANG module revision
+     * @return revision string
+     */
+    public static String getYangRevisionStr(String date) {
+        String[] revisionArr = date.split(UtilConstants.HYPHEN);
+
+        String rev = "rev";
+        for (String element : revisionArr) {
+            Integer val = Integer.parseInt(element);
+            if (val < 10) {
+                rev = rev + "0";
+            }
+            rev = rev + val;
+        }
+        return rev;
+    }
+
+    /**
+     * Returns the package string.
+     *
+     * @param pkgArr package array
+     * @return package string
+     */
+    public static String getPkgFrmArr(ArrayList<String> pkgArr) {
+
+        String pkg = "";
+        int size = pkgArr.size();
+        int i = 0;
+        for (String member : pkgArr) {
+            pkg = pkg + member;
+            if (i != size - 1) {
+                pkg = pkg + UtilConstants.PERIOD;
+            }
+            i++;
+        }
+        return pkg;
+    }
+
+    /**
+     * Get the package from parent's package and string.
+     *
+     * @param parentPkg parent's package.
+     * @param childName child's name.
+     * @return package string.
+     */
+    public static String getPackageFromParent(String parentPkg, String childName) {
+        return parentPkg + UtilConstants.PERIOD + getSubPkgFromName(childName);
+    }
+
+    /**
+     * Get package sub name from YANG identifier name.
+     *
+     * @param name YANG identifier name.
+     * @return java package sub name as per java rules.
+     */
+    public static String getSubPkgFromName(String name) {
+        ArrayList<String> pkgArr = new ArrayList<String>();
+        String[] nameArr = name.split(UtilConstants.COLAN);
+
+        for (String nameString : nameArr) {
+            pkgArr.add(nameString);
+        }
+        return getPkgFrmArr(pkgArr);
+    }
+
+    /**
+     * Translate the YANG identifier name to java identifier.
+     *
+     * @param yangIdentifier identifier in YANG file.
+     * @return corresponding java identifier
+     */
+    public static String getCamelCase(String yangIdentifier) {
+        String[] strArray = yangIdentifier.split(UtilConstants.HYPHEN);
+        String camelCase = strArray[0];
+        for (int i = 1; i < strArray.length; i++) {
+            camelCase = camelCase + (strArray[i].substring(0, 1).toUpperCase() + strArray[i].substring(1));
+        }
+        return camelCase;
+    }
+}
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java
new file mode 100644
index 0000000..604caf6
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java
@@ -0,0 +1,432 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.translator.tojava.utils;
+
+import java.util.List;
+
+import org.onosproject.yangutils.datamodel.YangType;
+import org.onosproject.yangutils.translator.GeneratedFileType;
+import org.onosproject.yangutils.translator.tojava.AttributeInfo;
+import org.onosproject.yangutils.translator.tojava.GeneratedMethodTypes;
+import org.onosproject.yangutils.utils.UtilConstants;
+import org.onosproject.yangutils.utils.io.impl.JavaDocGen;
+
+/**
+ * Generated methods for generated files based on the file type.
+ */
+public final class MethodsGenerator {
+
+    private static String builderClassName;
+    private static List<AttributeInfo> attrInfo;
+
+    /**
+     * Sets the builder class name for setter methods of builder class.
+     *
+     * @param name builder class name
+     */
+    public static void setBuilderClassName(String name) {
+        builderClassName = name;
+    }
+
+    /**
+     * Sets the attribute info for the impl class's constructor method.
+     *
+     * @param attr list of attribute info
+     */
+    public static void setAttrInfo(List<AttributeInfo> attr) {
+        attrInfo = attr;
+    }
+
+    /**
+     * Returns attribute info for the impl class's constructor method.
+     *
+     * @return list of attribute info
+     */
+    public static List<AttributeInfo> getAttrInfo() {
+        return attrInfo;
+    }
+
+    /**
+     * Return the class name.
+     *
+     * @return class name
+     */
+    public static String getBuilderClassName() {
+        return builderClassName;
+    }
+
+    /**
+     * Default constructor.
+     */
+    private MethodsGenerator() {
+    }
+
+    /**
+     * Return method strings.
+     *
+     * @param attr attribute info.
+     * @param type generated file type
+     * @return method string
+     */
+    public static String getMethodString(AttributeInfo attr, GeneratedFileType type) {
+
+        if (type.equals(GeneratedFileType.BUILDER_CLASS)) {
+
+            return parseBuilderMethodString(attr);
+        } else if (type.equals(GeneratedFileType.INTERFACE)) {
+
+            return getGetterString(attr);
+        } else if (type.equals(GeneratedFileType.BUILDER_INTERFACE)) {
+
+            return parseBuilderInterfaceMethodString(attr);
+        } else if (type.equals(GeneratedFileType.IMPL)) {
+
+            return parseImplMethodString(attr);
+        }
+        return null;
+    }
+
+    /**
+     * Returns constructed method impl for specific generated file type.
+     *
+     * @param genFileTypes generated file type
+     * @param yangName class name
+     * @param methodTypes method types
+     * @param returnType return type of method
+     * @return constructed method impl
+     */
+    public static String constructMethodInfo(GeneratedFileType genFileTypes, String yangName,
+            GeneratedMethodTypes methodTypes, YangType<?> returnType) {
+
+        if (genFileTypes.equals(GeneratedFileType.INTERFACE)) {
+
+            /**
+             * If interface, only getter will be there.
+             */
+            return getGetterForInterface(yangName, returnType);
+        } else if (genFileTypes.equals(GeneratedFileType.BUILDER_INTERFACE)) {
+
+            /**
+             * If builder interface, getters and setters will be there.
+             */
+            if (methodTypes.equals(GeneratedMethodTypes.GETTER)) {
+
+                return getGetterForInterface(yangName, returnType);
+            } else if (methodTypes.equals(GeneratedMethodTypes.SETTER)) {
+
+                return getSetterForInterface(yangName, returnType);
+            } else if (methodTypes.equals(GeneratedMethodTypes.BUILD)) {
+
+                return getBuildForInterface(yangName);
+            }
+        } else if (genFileTypes.equals(GeneratedFileType.BUILDER_CLASS)) {
+
+            /**
+             * If Builder class , getters, setters ,build and default constructor impls will be there.
+             */
+            if (methodTypes.equals(GeneratedMethodTypes.GETTER)) {
+
+                return getGetterForClass(yangName, returnType);
+            } else if (methodTypes.equals(GeneratedMethodTypes.SETTER)) {
+
+                return getSetterForClass(yangName, returnType);
+            } else if (methodTypes.equals(GeneratedMethodTypes.BUILD)) {
+
+                return getBuild(yangName);
+            } else if (methodTypes.equals(GeneratedMethodTypes.DEFAULT_CONSTRUCTOR)) {
+
+                return getDefaultConstructor(yangName + UtilConstants.BUILDER);
+            }
+        } else if (genFileTypes.equals(GeneratedFileType.IMPL)) {
+
+            if (methodTypes.equals(GeneratedMethodTypes.GETTER)) {
+
+                return getGetterForClass(yangName, returnType);
+            } else if (methodTypes.equals(GeneratedMethodTypes.CONSTRUCTOR)) {
+
+                return getConstructor(yangName);
+            } else if (methodTypes.equals(GeneratedMethodTypes.DEFAULT_CONSTRUCTOR)) {
+
+                return getDefaultConstructor(yangName + UtilConstants.IMPL);
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Returns the methods strings for builder class.
+     *
+     * @param attr attribute info.
+     * @return method string for builder class.
+     */
+    private static String parseBuilderMethodString(AttributeInfo attr) {
+
+        String overrideString = UtilConstants.NEW_LINE + UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.OVERRIDE
+                + UtilConstants.NEW_LINE;
+
+        String getterString = JavaCodeSnippetGen.getJavaMethodInfo(GeneratedFileType.BUILDER_CLASS,
+                attr.getAttributeName(), GeneratedMethodTypes.GETTER, attr.getAttributeType());
+        String setterString = JavaCodeSnippetGen.getJavaMethodInfo(GeneratedFileType.BUILDER_CLASS,
+                attr.getAttributeName(), GeneratedMethodTypes.SETTER, attr.getAttributeType());
+
+        return overrideString + getterString + UtilConstants.NEW_LINE + overrideString + setterString
+                + UtilConstants.NEW_LINE;
+    }
+
+    /**
+     * Returns the methods strings for builder class.
+     *
+     * @param attr attribute info.
+     * @return method string for builder class.
+     */
+    private static String parseImplMethodString(AttributeInfo attr) {
+
+        return UtilConstants.NEW_LINE + UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.OVERRIDE
+                + UtilConstants.NEW_LINE + JavaCodeSnippetGen.getJavaMethodInfo(GeneratedFileType.BUILDER_CLASS,
+                        attr.getAttributeName(), GeneratedMethodTypes.GETTER, attr.getAttributeType())
+                + UtilConstants.NEW_LINE;
+    }
+
+    /**
+     * Returns the methods strings for builder interface.
+     *
+     * @param attr attribute info.
+     * @return method string for builder interface.
+     */
+    private static String parseBuilderInterfaceMethodString(AttributeInfo attr) {
+
+        return getGetterString(attr) + UtilConstants.NEW_LINE + getSetterString(attr);
+    }
+
+    /**
+     * Returns the methods strings for builder interface.
+     *
+     * @param name attribute name.
+     * @return method string for builder interface.
+     */
+    public static String parseBuilderInterfaceBuildMethodString(String name) {
+
+        return JavaDocGen.getJavaDoc(JavaDocGen.JavaDocType.BUILD, name) + JavaCodeSnippetGen
+                .getJavaMethodInfo(GeneratedFileType.BUILDER_INTERFACE, name, GeneratedMethodTypes.BUILD, null);
+    }
+
+    /**
+     * Returns getter string.
+     *
+     * @param attr attribute info.
+     * @return getter string
+     */
+    public static String getGetterString(AttributeInfo attr) {
+
+        return JavaDocGen.getJavaDoc(JavaDocGen.JavaDocType.GETTER, attr.getAttributeName())
+                + JavaCodeSnippetGen.getJavaMethodInfo(GeneratedFileType.INTERFACE, attr.getAttributeName(),
+                        GeneratedMethodTypes.GETTER, attr.getAttributeType())
+                + UtilConstants.NEW_LINE;
+    }
+
+    /**
+     * Returns setter string.
+     *
+     * @param attr attribute info.
+     * @return setter string
+     */
+    private static String getSetterString(AttributeInfo attr) {
+
+        return JavaDocGen.getJavaDoc(JavaDocGen.JavaDocType.SETTER, attr.getAttributeName())
+                + JavaCodeSnippetGen.getJavaMethodInfo(GeneratedFileType.BUILDER_INTERFACE, attr.getAttributeName(),
+                        GeneratedMethodTypes.SETTER, attr.getAttributeType());
+    }
+
+    /**
+     * Returns constructor method string.
+     *
+     * @param name class name
+     * @return constructor string
+     */
+    public static String getConstructorString(String name) {
+
+        return JavaDocGen.getJavaDoc(JavaDocGen.JavaDocType.CONSTRUCTOR, name) + JavaCodeSnippetGen
+                .getJavaMethodInfo(GeneratedFileType.IMPL, name, GeneratedMethodTypes.CONSTRUCTOR, null);
+    }
+
+    /**
+     * Returns default constructor method string.
+     *
+     * @param type generated file type
+     * @param name class name
+     * @return default constructor string
+     */
+    public static String getDefaultConstructorString(GeneratedFileType type, String name) {
+
+        return JavaDocGen.getJavaDoc(JavaDocGen.JavaDocType.DEFAULT_CONSTRUCTOR, name)
+                + JavaCodeSnippetGen.getJavaMethodInfo(type, name, GeneratedMethodTypes.DEFAULT_CONSTRUCTOR, null);
+    }
+
+    /**
+     * Returns build method string.
+     *
+     * @param name class name
+     * @return build string
+     */
+    public static String getBuildString(String name) {
+
+        return UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.OVERRIDE + UtilConstants.NEW_LINE
+                + JavaCodeSnippetGen.getJavaMethodInfo(GeneratedFileType.BUILDER_CLASS, name,
+                        GeneratedMethodTypes.BUILD, null);
+    }
+
+    /**
+     * Returns the getter method strings for class file.
+     *
+     * @param yangName name of the attribute.
+     * @param returnType return type of attribute
+     * @return getter method for class.
+     */
+    private static String getGetterForClass(String yangName, YangType<?> returnType) {
+
+        return UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.PUBLIC + UtilConstants.SPACE
+                + returnType.getDataTypeName() + UtilConstants.SPACE + UtilConstants.GET_METHOD_PREFIX + yangName
+                + UtilConstants.OPEN_PARENTHESIS + UtilConstants.CLOSE_PARENTHESIS + UtilConstants.SPACE
+                + UtilConstants.OPEN_CURLY_BRACKET + UtilConstants.NEW_LINE + UtilConstants.EIGHT_SPACE_INDENTATION
+                + UtilConstants.RETURN + UtilConstants.SPACE + yangName + UtilConstants.SEMI_COLAN
+                + UtilConstants.NEW_LINE + UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.CLOSE_CURLY_BRACKET;
+    }
+
+    /**
+     * Returns the setter method strings for class file.
+     *
+     * @param yangName name of the attribute.
+     * @param returnType return type of attribute
+     * @return setter method for class.
+     */
+    private static String getSetterForClass(String yangName, YangType<?> returnType) {
+
+        return UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.PUBLIC + UtilConstants.SPACE + getBuilderClassName()
+        + UtilConstants.SPACE + UtilConstants.SET_METHOD_PREFIX + yangName + UtilConstants.OPEN_PARENTHESIS
+        + returnType.getDataTypeName() + UtilConstants.SPACE + yangName + UtilConstants.CLOSE_PARENTHESIS
+        + UtilConstants.SPACE + UtilConstants.OPEN_CURLY_BRACKET + UtilConstants.NEW_LINE
+        + UtilConstants.EIGHT_SPACE_INDENTATION + UtilConstants.THIS + UtilConstants.PERIOD + yangName
+        + UtilConstants.SPACE + UtilConstants.EQUAL + UtilConstants.SPACE + yangName + UtilConstants.SEMI_COLAN
+        + UtilConstants.NEW_LINE + UtilConstants.EIGHT_SPACE_INDENTATION + UtilConstants.RETURN
+        + UtilConstants.SPACE + UtilConstants.THIS + UtilConstants.SEMI_COLAN + UtilConstants.NEW_LINE
+        + UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.CLOSE_CURLY_BRACKET;
+    }
+
+    /**
+     * Returns the getter method strings for interface file.
+     *
+     * @param yangName name of the attribute.
+     * @param returnType return type of attribute
+     * @return getter method for interface.
+     */
+    private static String getGetterForInterface(String yangName, YangType<?> returnType) {
+        returnType.setDataTypeName(returnType.getDataTypeName().replace("\"", ""));
+        return UtilConstants.FOUR_SPACE_INDENTATION + returnType.getDataTypeName() + UtilConstants.SPACE
+                + UtilConstants.GET_METHOD_PREFIX + yangName + UtilConstants.OPEN_PARENTHESIS
+                + UtilConstants.CLOSE_PARENTHESIS + UtilConstants.SEMI_COLAN;
+    }
+
+    /**
+     * Returns the setter method strings for interface file.
+     *
+     * @param yangName name of the attribute.
+     * @param returnType return type of attribute
+     * @return setter method for interface.
+     */
+    private static String getSetterForInterface(String yangName, YangType<?> returnType) {
+        return UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.BUILDER + UtilConstants.SPACE
+                + UtilConstants.SET_METHOD_PREFIX + yangName + UtilConstants.OPEN_PARENTHESIS
+                + returnType.getDataTypeName() + UtilConstants.SPACE + yangName + UtilConstants.CLOSE_PARENTHESIS
+                + UtilConstants.SEMI_COLAN;
+    }
+
+    /**
+     * Returns the build method strings for interface file.
+     *
+     * @param yangName name of the attribute.
+     * @param returnType return type of attribute
+     * @return build method for interface.
+     */
+    private static String getBuildForInterface(String yangName) {
+
+        return UtilConstants.FOUR_SPACE_INDENTATION + yangName + UtilConstants.SPACE + UtilConstants.BUILD
+                + UtilConstants.OPEN_PARENTHESIS + UtilConstants.CLOSE_PARENTHESIS + UtilConstants.SEMI_COLAN;
+    }
+
+    /**
+     * Returns the constructor strings for class file.
+     *
+     * @param yangName name of the class.
+     * @return constructor for class
+     */
+    private static String getConstructor(String yangName) {
+
+        String builderAttribute = (yangName.substring(0, 1).toLowerCase() + yangName.substring(1));
+        String constructor = UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.PUBLIC + UtilConstants.SPACE
+                + yangName + UtilConstants.IMPL + UtilConstants.OPEN_PARENTHESIS + yangName + UtilConstants.BUILDER
+                + UtilConstants.SPACE + builderAttribute + UtilConstants.OBJECT + UtilConstants.CLOSE_PARENTHESIS
+                + UtilConstants.SPACE + UtilConstants.OPEN_CURLY_BRACKET + UtilConstants.NEW_LINE;
+
+        if (getAttrInfo() != null) {
+            for (AttributeInfo attribute : getAttrInfo()) {
+                attribute.setAttributeName(JavaIdentifierSyntax.getCamelCase(attribute.getAttributeName()));
+                constructor = constructor + UtilConstants.TWELVE_SPACE_INDENTATION + UtilConstants.THIS
+                        + UtilConstants.PERIOD + attribute.getAttributeName() + UtilConstants.SPACE
+                        + UtilConstants.EQUAL + UtilConstants.SPACE + builderAttribute + UtilConstants.OBJECT
+                        + UtilConstants.PERIOD + UtilConstants.GET_METHOD_PREFIX + attribute.getAttributeName()
+                        + UtilConstants.OPEN_PARENTHESIS + UtilConstants.CLOSE_PARENTHESIS + UtilConstants.SEMI_COLAN
+                        + UtilConstants.NEW_LINE;
+            }
+            getAttrInfo().clear();
+        }
+        return constructor + UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.CLOSE_CURLY_BRACKET
+                + UtilConstants.NEW_LINE;
+    }
+
+    /**
+     * Returns the build method strings for class file.
+     *
+     * @param yangName class name
+     * @return build method string for class.
+     */
+    private static String getBuild(String yangName) {
+
+        return UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.PUBLIC + UtilConstants.SPACE + yangName
+                + UtilConstants.SPACE + UtilConstants.BUILD + UtilConstants.OPEN_PARENTHESIS
+                + UtilConstants.CLOSE_PARENTHESIS + UtilConstants.SPACE + UtilConstants.OPEN_CURLY_BRACKET
+                + UtilConstants.NEW_LINE + UtilConstants.EIGHT_SPACE_INDENTATION + UtilConstants.RETURN
+                + UtilConstants.SPACE + UtilConstants.NEW + UtilConstants.SPACE + yangName + UtilConstants.IMPL
+                + UtilConstants.OPEN_PARENTHESIS + UtilConstants.THIS + UtilConstants.CLOSE_PARENTHESIS
+                + UtilConstants.SEMI_COLAN + UtilConstants.NEW_LINE + UtilConstants.FOUR_SPACE_INDENTATION
+                + UtilConstants.CLOSE_CURLY_BRACKET;
+    }
+
+    /**
+     * Returns the Default constructor strings for class file.
+     *
+     * @param yangName name of the class.
+     * @return Default constructor for class
+     */
+    private static String getDefaultConstructor(String name) {
+
+        return UtilConstants.FOUR_SPACE_INDENTATION + UtilConstants.PUBLIC + UtilConstants.SPACE + name
+                + UtilConstants.OPEN_PARENTHESIS + UtilConstants.CLOSE_PARENTHESIS + UtilConstants.SPACE
+                + UtilConstants.OPEN_CURLY_BRACKET + UtilConstants.NEW_LINE + UtilConstants.FOUR_SPACE_INDENTATION
+                + UtilConstants.CLOSE_CURLY_BRACKET + UtilConstants.NEW_LINE;
+    }
+
+}