[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/datamodel/YangAugment.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangAugment.java
index 16735c2..073db3b 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangAugment.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangAugment.java
@@ -76,8 +76,7 @@
 /**
  * Data model node to maintain information defined in YANG augment.
  */
-public class YangAugment extends YangNode
-        implements YangLeavesHolder, YangCommonInfo, Parsable {
+public class YangAugment extends YangNode implements YangLeavesHolder, YangCommonInfo, Parsable {
 
     /**
      * Augment target node.
@@ -92,14 +91,12 @@
     /**
      * List of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeaf> listOfLeaf;
+    private List<YangLeaf<?>> listOfLeaf;
 
     /**
      * List of leaf-lists.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeafList> listOfLeafList;
+    private List<YangLeafList<?>> listOfLeafList;
 
     /**
      * reference.
@@ -141,6 +138,7 @@
      *
      * @return the description.
      */
+    @Override
     public String getDescription() {
         return description;
     }
@@ -150,6 +148,7 @@
      *
      * @param description set the description.
      */
+    @Override
     public void setDescription(String description) {
         this.description = description;
     }
@@ -159,8 +158,8 @@
      *
      * @return the list of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeaf> getListOfLeaf() {
+    @Override
+    public List<YangLeaf<?>> getListOfLeaf() {
         return listOfLeaf;
     }
 
@@ -169,8 +168,7 @@
      *
      * @param leafsList the list of leaf to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeaf(List<YangLeaf> leafsList) {
+    private void setListOfLeaf(List<YangLeaf<?>> leafsList) {
         listOfLeaf = leafsList;
     }
 
@@ -179,10 +177,10 @@
      *
      * @param leaf the leaf to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeaf(YangLeaf<?> leaf) {
         if (getListOfLeaf() == null) {
-            setListOfLeaf(new LinkedList<YangLeaf>());
+            setListOfLeaf(new LinkedList<YangLeaf<?>>());
         }
 
         getListOfLeaf().add(leaf);
@@ -193,8 +191,8 @@
      *
      * @return the list of leaf-list.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeafList> getListOfLeafList() {
+    @Override
+    public List<YangLeafList<?>> getListOfLeafList() {
         return listOfLeafList;
     }
 
@@ -203,8 +201,7 @@
      *
      * @param listOfLeafList the list of leaf-list to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeafList(List<YangLeafList> listOfLeafList) {
+    private void setListOfLeafList(List<YangLeafList<?>> listOfLeafList) {
         this.listOfLeafList = listOfLeafList;
     }
 
@@ -213,10 +210,10 @@
      *
      * @param leafList the leaf-list to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeafList(YangLeafList<?> leafList) {
         if (getListOfLeafList() == null) {
-            setListOfLeafList(new LinkedList<YangLeafList>());
+            setListOfLeafList(new LinkedList<YangLeafList<?>>());
         }
 
         getListOfLeafList().add(leafList);
@@ -227,6 +224,7 @@
      *
      * @return the reference.
      */
+    @Override
     public String getReference() {
         return reference;
     }
@@ -236,6 +234,7 @@
      *
      * @param reference the reference to set.
      */
+    @Override
     public void setReference(String reference) {
         this.reference = reference;
     }
@@ -245,6 +244,7 @@
      *
      * @return the status.
      */
+    @Override
     public YangStatusType getStatus() {
         return status;
     }
@@ -254,6 +254,7 @@
      *
      * @param status the status to set.
      */
+    @Override
     public void setStatus(YangStatusType status) {
         this.status = status;
     }
@@ -263,6 +264,7 @@
      *
      * @return returns AUGMENT_DATA.
      */
+    @Override
     public ParsableDataType getParsableDataType() {
         return ParsableDataType.AUGMENT_DATA;
     }
@@ -272,6 +274,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnEntry() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -281,6 +284,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnExit() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -324,6 +328,7 @@
     /* (non-Javadoc)
      * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeEntry()
      */
+    @Override
     public void generateJavaCodeEntry() {
         // TODO Auto-generated method stub
 
@@ -332,6 +337,7 @@
     /* (non-Javadoc)
      * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeExit()
      */
+    @Override
     public void generateJavaCodeExit() {
         // TODO Auto-generated method stub
 
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangCase.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangCase.java
index b3a17bd..76b8ca2 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangCase.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangCase.java
@@ -88,8 +88,7 @@
 /**
  * Data model node to maintain information defined in YANG case.
  */
-public class YangCase extends YangNode
-        implements YangLeavesHolder, YangCommonInfo, Parsable {
+public class YangCase extends YangNode implements YangLeavesHolder, YangCommonInfo, Parsable {
 
     /**
      * Case name.
@@ -106,14 +105,12 @@
     /**
      * List of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeaf> listOfLeaf;
+    private List<YangLeaf<?>> listOfLeaf;
 
     /**
      * List of leaf lists.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeafList> listOfLeafList;
+    private List<YangLeafList<?>> listOfLeafList;
 
     /**
      * Reference of the module.
@@ -153,6 +150,7 @@
      *
      * @return the description.
      */
+    @Override
     public String getDescription() {
         return description;
     }
@@ -162,6 +160,7 @@
      *
      * @param description set the description.
      */
+    @Override
     public void setDescription(String description) {
         this.description = description;
     }
@@ -171,8 +170,8 @@
      *
      * @return the list of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeaf> getListOfLeaf() {
+    @Override
+    public List<YangLeaf<?>> getListOfLeaf() {
         return listOfLeaf;
     }
 
@@ -181,8 +180,7 @@
      *
      * @param leafsList the list of leaf to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeaf(List<YangLeaf> leafsList) {
+    private void setListOfLeaf(List<YangLeaf<?>> leafsList) {
         listOfLeaf = leafsList;
     }
 
@@ -191,10 +189,10 @@
      *
      * @param leaf the leaf to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeaf(YangLeaf<?> leaf) {
         if (getListOfLeaf() == null) {
-            setListOfLeaf(new LinkedList<YangLeaf>());
+            setListOfLeaf(new LinkedList<YangLeaf<?>>());
         }
 
         getListOfLeaf().add(leaf);
@@ -205,8 +203,8 @@
      *
      * @return the list of leaf-list.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeafList> getListOfLeafList() {
+    @Override
+    public List<YangLeafList<?>> getListOfLeafList() {
         return listOfLeafList;
     }
 
@@ -215,8 +213,7 @@
      *
      * @param listOfLeafList the list of leaf-list to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeafList(List<YangLeafList> listOfLeafList) {
+    private void setListOfLeafList(List<YangLeafList<?>> listOfLeafList) {
         this.listOfLeafList = listOfLeafList;
     }
 
@@ -225,10 +222,10 @@
      *
      * @param leafList the leaf-list to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeafList(YangLeafList<?> leafList) {
         if (getListOfLeafList() == null) {
-            setListOfLeafList(new LinkedList<YangLeafList>());
+            setListOfLeafList(new LinkedList<YangLeafList<?>>());
         }
 
         getListOfLeafList().add(leafList);
@@ -239,6 +236,7 @@
      *
      * @return the reference.
      */
+    @Override
     public String getReference() {
         return reference;
     }
@@ -248,6 +246,7 @@
      *
      * @param reference the reference to set.
      */
+    @Override
     public void setReference(String reference) {
         this.reference = reference;
     }
@@ -257,6 +256,7 @@
      *
      * @return the status.
      */
+    @Override
     public YangStatusType getStatus() {
         return status;
     }
@@ -266,6 +266,7 @@
      *
      * @param status the status to set.
      */
+    @Override
     public void setStatus(YangStatusType status) {
         this.status = status;
     }
@@ -275,6 +276,7 @@
      *
      * @return returns CASE_DATA
      */
+    @Override
     public ParsableDataType getParsableDataType() {
         return ParsableDataType.CASE_DATA;
     }
@@ -284,6 +286,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnEntry() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -293,6 +296,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnExit() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -318,6 +322,7 @@
     /* (non-Javadoc)
      * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeEntry()
      */
+    @Override
     public void generateJavaCodeEntry() {
         // TODO Auto-generated method stub
 
@@ -326,6 +331,7 @@
     /* (non-Javadoc)
      * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeExit()
      */
+    @Override
     public void generateJavaCodeExit() {
         // TODO Auto-generated method stub
 
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangContainer.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangContainer.java
index 388360a..cb54cca 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangContainer.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangContainer.java
@@ -16,13 +16,17 @@
 
 package org.onosproject.yangutils.datamodel;
 
+import java.io.IOException;
 import java.util.LinkedList;
 import java.util.List;
 
 import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
 import org.onosproject.yangutils.parser.Parsable;
 import org.onosproject.yangutils.parser.ParsableDataType;
-import org.onosproject.yangutils.utils.io.CachedFileHandle;
+import org.onosproject.yangutils.translator.CachedFileHandle;
+import org.onosproject.yangutils.translator.GeneratedFileType;
+import org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax;
+import org.onosproject.yangutils.utils.io.impl.FileSystemUtil;
 /*-
  * Reference RFC 6020.
  *
@@ -105,14 +109,12 @@
     /**
      * List of leaves contained.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeaf> listOfLeaf;
+    private List<YangLeaf<?>> listOfLeaf;
 
     /**
      * List of leaf-lists contained.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeafList> listOfLeafList;
+    private List<YangLeafList<?>> listOfLeafList;
 
     /**
      * If it is a presence container, then the textual documentation of presence
@@ -186,6 +188,7 @@
      *
      * @return the description.
      */
+    @Override
     public String getDescription() {
         return description;
     }
@@ -195,6 +198,7 @@
      *
      * @param description set the description.
      */
+    @Override
     public void setDescription(String description) {
         this.description = description;
     }
@@ -204,8 +208,8 @@
      *
      * @return the list of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeaf> getListOfLeaf() {
+    @Override
+    public List<YangLeaf<?>> getListOfLeaf() {
         return listOfLeaf;
     }
 
@@ -214,8 +218,7 @@
      *
      * @param leafsList the list of leaf to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeaf(List<YangLeaf> leafsList) {
+    private void setListOfLeaf(List<YangLeaf<?>> leafsList) {
         listOfLeaf = leafsList;
     }
 
@@ -224,10 +227,10 @@
      *
      * @param leaf the leaf to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeaf(YangLeaf<?> leaf) {
         if (getListOfLeaf() == null) {
-            setListOfLeaf(new LinkedList<YangLeaf>());
+            setListOfLeaf(new LinkedList<YangLeaf<?>>());
         }
 
         getListOfLeaf().add(leaf);
@@ -238,8 +241,8 @@
      *
      * @return the list of leaf-list.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeafList> getListOfLeafList() {
+    @Override
+    public List<YangLeafList<?>> getListOfLeafList() {
         return listOfLeafList;
     }
 
@@ -248,8 +251,7 @@
      *
      * @param listOfLeafList the list of leaf-list to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeafList(List<YangLeafList> listOfLeafList) {
+    private void setListOfLeafList(List<YangLeafList<?>> listOfLeafList) {
         this.listOfLeafList = listOfLeafList;
     }
 
@@ -258,10 +260,10 @@
      *
      * @param leafList the leaf-list to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeafList(YangLeafList<?> leafList) {
         if (getListOfLeafList() == null) {
-            setListOfLeafList(new LinkedList<YangLeafList>());
+            setListOfLeafList(new LinkedList<YangLeafList<?>>());
         }
 
         getListOfLeafList().add(leafList);
@@ -290,6 +292,7 @@
      *
      * @return the reference.
      */
+    @Override
     public String getReference() {
         return reference;
     }
@@ -299,6 +302,7 @@
      *
      * @param reference the reference to set.
      */
+    @Override
     public void setReference(String reference) {
         this.reference = reference;
     }
@@ -308,6 +312,7 @@
      *
      * @return the status.
      */
+    @Override
     public YangStatusType getStatus() {
         return status;
     }
@@ -317,6 +322,7 @@
      *
      * @param status the status to set.
      */
+    @Override
     public void setStatus(YangStatusType status) {
         this.status = status;
     }
@@ -344,6 +350,7 @@
      *
      * @return returns CONTAINER_DATA.
      */
+    @Override
     public ParsableDataType getParsableDataType() {
         return ParsableDataType.CONTAINER_DATA;
     }
@@ -353,6 +360,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnEntry() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -362,6 +370,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnExit() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -388,17 +397,62 @@
 
     /**
      * Generate the java code corresponding to YANG container.
+     *
+     * @throws IOException when fails to generate the source files.
      */
-    public void generateJavaCodeEntry() {
-        //TODO: autogenerated method stub, to be implemented
-    return;
+    @Override
+    public void generateJavaCodeEntry() throws IOException {
+        YangNode parent = getParent();
+        String modPkg = JavaIdentifierSyntax.getPackageFromParent(parent.getPackage(), getName());
+        setPackage(modPkg);
+
+        CachedFileHandle handle = null;
+        try {
+            FileSystemUtil.createPackage(getPackage(), getName());
+            handle = FileSystemUtil.createSourceFiles(getPackage(), getName(), GeneratedFileType.ALL);
+        } catch (IOException e) {
+            throw new IOException("Failed to create the source files.");
+        }
+        setFileHandle(handle);
+        addLavesAttributes();
+        addLeafListAttributes();
+    }
+
+    /**
+     * Adds leaf attributes in generated files.
+     */
+    private void addLavesAttributes() {
+
+        List<YangLeaf<?>> leaves = getListOfLeaf();
+        if (leaves != null) {
+            for (YangLeaf<?> leaf : leaves) {
+                getFileHandle().addAttributeInfo(leaf.getDataType(), leaf.getLeafName(), false);
+            }
+        }
+    }
+
+    /**
+     * Adds leaf list's attributes in generated files.
+     */
+    private void addLeafListAttributes() {
+        List<YangLeafList<?>> leavesList = getListOfLeafList();
+        if (leavesList != null) {
+            for (YangLeafList<?> leafList : leavesList) {
+                getFileHandle().addAttributeInfo(leafList.getDataType(), leafList.getLeafName(), true);
+            }
+        }
+        return;
+
     }
 
     /**
      * Free resources used to generate code.
+     *
+     * @throws IOException when fails to generate source files.
      */
-    public void generateJavaCodeExit() {
-          //TODO: autogenerated method stub, to be implemented
+    @Override
+    public void generateJavaCodeExit() throws IOException {
+        getFileHandle().close();
         return;
     }
 }
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangGrouping.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangGrouping.java
index 9d9ffd3..27d7dc0 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangGrouping.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangGrouping.java
@@ -75,8 +75,7 @@
 /**
  * Data model node to maintain information defined in YANG grouping.
  */
-public class YangGrouping extends YangNode
-        implements YangLeavesHolder, YangCommonInfo, Parsable {
+public class YangGrouping extends YangNode implements YangLeavesHolder, YangCommonInfo, Parsable {
 
     /**
      * Name of the grouping.
@@ -91,14 +90,12 @@
     /**
      * List of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeaf> listOfLeaf;
+    private List<YangLeaf<?>> listOfLeaf;
 
     /**
      * List of leaf lists.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeafList> listOfLeafList;
+    private List<YangLeafList<?>> listOfLeafList;
 
     /**
      * Reference of the module.
@@ -138,6 +135,7 @@
      *
      * @return the description.
      */
+    @Override
     public String getDescription() {
         return description;
     }
@@ -147,6 +145,7 @@
      *
      * @param description set the description.
      */
+    @Override
     public void setDescription(String description) {
         this.description = description;
     }
@@ -156,8 +155,8 @@
      *
      * @return the list of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeaf> getListOfLeaf() {
+    @Override
+    public List<YangLeaf<?>> getListOfLeaf() {
         return listOfLeaf;
     }
 
@@ -166,8 +165,7 @@
      *
      * @param leafsList the list of leaf to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeaf(List<YangLeaf> leafsList) {
+    private void setListOfLeaf(List<YangLeaf<?>> leafsList) {
         listOfLeaf = leafsList;
     }
 
@@ -176,10 +174,10 @@
      *
      * @param leaf the leaf to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeaf(YangLeaf<?> leaf) {
         if (getListOfLeaf() == null) {
-            setListOfLeaf(new LinkedList<YangLeaf>());
+            setListOfLeaf(new LinkedList<YangLeaf<?>>());
         }
 
         getListOfLeaf().add(leaf);
@@ -190,8 +188,8 @@
      *
      * @return the list of leaf-list.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeafList> getListOfLeafList() {
+    @Override
+    public List<YangLeafList<?>> getListOfLeafList() {
         return listOfLeafList;
     }
 
@@ -200,8 +198,7 @@
      *
      * @param listOfLeafList the list of leaf-list to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeafList(List<YangLeafList> listOfLeafList) {
+    private void setListOfLeafList(List<YangLeafList<?>> listOfLeafList) {
         this.listOfLeafList = listOfLeafList;
     }
 
@@ -210,10 +207,10 @@
      *
      * @param leafList the leaf-list to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeafList(YangLeafList<?> leafList) {
         if (getListOfLeafList() == null) {
-            setListOfLeafList(new LinkedList<YangLeafList>());
+            setListOfLeafList(new LinkedList<YangLeafList<?>>());
         }
 
         getListOfLeafList().add(leafList);
@@ -224,6 +221,7 @@
      *
      * @return the reference.
      */
+    @Override
     public String getReference() {
         return reference;
     }
@@ -233,6 +231,7 @@
      *
      * @param reference the reference to set.
      */
+    @Override
     public void setReference(String reference) {
         this.reference = reference;
     }
@@ -242,6 +241,7 @@
      *
      * @return the status.
      */
+    @Override
     public YangStatusType getStatus() {
         return status;
     }
@@ -251,6 +251,7 @@
      *
      * @param status the status to set.
      */
+    @Override
     public void setStatus(YangStatusType status) {
         this.status = status;
     }
@@ -260,6 +261,7 @@
      *
      * @return returns GROUPING_DATA.
      */
+    @Override
     public ParsableDataType getParsableDataType() {
         return ParsableDataType.GROUPING_DATA;
     }
@@ -269,6 +271,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnEntry() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -278,6 +281,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnExit() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -285,6 +289,7 @@
     /* (non-Javadoc)
      * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeEntry()
      */
+    @Override
     public void generateJavaCodeEntry() {
         // TODO Auto-generated method stub
 
@@ -293,6 +298,7 @@
     /* (non-Javadoc)
      * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeExit()
      */
+    @Override
     public void generateJavaCodeExit() {
         // TODO Auto-generated method stub
 
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangLeavesHolder.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangLeavesHolder.java
index 917d591..ba42bfc 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangLeavesHolder.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangLeavesHolder.java
@@ -27,8 +27,7 @@
      *
      * @return the list of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeaf> getListOfLeaf();
+    public List<YangLeaf<?>> getListOfLeaf();
 
     /**
      * Add a leaf in data holder like container / list.
@@ -42,8 +41,7 @@
      *
      * @return the list of leaf-list.
      */
-    @SuppressWarnings("rawtypes")
-    List<YangLeafList> getListOfLeafList();
+    List<YangLeafList<?>> getListOfLeafList();
 
     /**
      * Add a leaf-list in data holder like container / list.
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangList.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangList.java
index d75c09d..e09b94c 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangList.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangList.java
@@ -65,8 +65,7 @@
 /**
  * List data represented in YANG.
  */
-public class YangList extends YangNode
-        implements YangLeavesHolder, YangCommonInfo, Parsable {
+public class YangList extends YangNode implements YangLeavesHolder, YangCommonInfo, Parsable {
 
     /**
      * name of the YANG list.
@@ -113,14 +112,12 @@
     /**
      * List of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeaf> listOfLeaf;
+    private List<YangLeaf<?>> listOfLeaf;
 
     /**
      * List of leaf-lists.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeafList> listOfLeafList;
+    private List<YangLeafList<?>> listOfLeafList;
 
     /**
      * The "max-elements" statement, which is optional, takes as an argument a
@@ -209,6 +206,7 @@
      *
      * @return the description.
      */
+    @Override
     public String getDescription() {
         return description;
     }
@@ -218,6 +216,7 @@
      *
      * @param description set the description.
      */
+    @Override
     public void setDescription(String description) {
         this.description = description;
     }
@@ -258,8 +257,8 @@
      *
      * @return the list of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeaf> getListOfLeaf() {
+    @Override
+    public List<YangLeaf<?>> getListOfLeaf() {
         return listOfLeaf;
     }
 
@@ -268,8 +267,7 @@
      *
      * @param leafsList the list of leaf to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeaf(List<YangLeaf> leafsList) {
+    private void setListOfLeaf(List<YangLeaf<?>> leafsList) {
         listOfLeaf = leafsList;
     }
 
@@ -278,10 +276,10 @@
      *
      * @param leaf the leaf to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeaf(YangLeaf<?> leaf) {
         if (getListOfLeaf() == null) {
-            setListOfLeaf(new LinkedList<YangLeaf>());
+            setListOfLeaf(new LinkedList<YangLeaf<?>>());
         }
 
         getListOfLeaf().add(leaf);
@@ -292,8 +290,8 @@
      *
      * @return the list of leaf-list.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeafList> getListOfLeafList() {
+    @Override
+    public List<YangLeafList<?>> getListOfLeafList() {
         return listOfLeafList;
     }
 
@@ -302,8 +300,7 @@
      *
      * @param listOfLeafList the list of leaf-list to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeafList(List<YangLeafList> listOfLeafList) {
+    private void setListOfLeafList(List<YangLeafList<?>> listOfLeafList) {
         this.listOfLeafList = listOfLeafList;
     }
 
@@ -312,10 +309,10 @@
      *
      * @param leafList the leaf-list to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeafList(YangLeafList<?> leafList) {
         if (getListOfLeafList() == null) {
-            setListOfLeafList(new LinkedList<YangLeafList>());
+            setListOfLeafList(new LinkedList<YangLeafList<?>>());
         }
 
         getListOfLeafList().add(leafList);
@@ -362,6 +359,7 @@
      *
      * @return the reference.
      */
+    @Override
     public String getReference() {
         return reference;
     }
@@ -371,6 +369,7 @@
      *
      * @param reference the reference to set.
      */
+    @Override
     public void setReference(String reference) {
         this.reference = reference;
     }
@@ -380,6 +379,7 @@
      *
      * @return the status.
      */
+    @Override
     public YangStatusType getStatus() {
         return status;
     }
@@ -389,6 +389,7 @@
      *
      * @param status the status to set.
      */
+    @Override
     public void setStatus(YangStatusType status) {
         this.status = status;
     }
@@ -398,6 +399,7 @@
      *
      * @return returns LIST_DATA.
      */
+    @Override
     public ParsableDataType getParsableDataType() {
         return ParsableDataType.LIST_DATA;
     }
@@ -407,6 +409,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnEntry() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -416,6 +419,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnExit() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -423,6 +427,7 @@
     /* (non-Javadoc)
      * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeEntry()
      */
+    @Override
     public void generateJavaCodeEntry() {
         // TODO Auto-generated method stub
 
@@ -431,6 +436,7 @@
     /* (non-Javadoc)
      * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeExit()
      */
+    @Override
     public void generateJavaCodeExit() {
         // TODO Auto-generated method stub
 
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangModule.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangModule.java
index 1434363..c35fafa 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangModule.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangModule.java
@@ -15,14 +15,18 @@
  */
 package org.onosproject.yangutils.datamodel;
 
+import java.io.IOException;
 import java.util.LinkedList;
 import java.util.List;
 
 import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
 import org.onosproject.yangutils.parser.Parsable;
 import org.onosproject.yangutils.parser.ParsableDataType;
+import org.onosproject.yangutils.translator.CachedFileHandle;
 import org.onosproject.yangutils.translator.CodeGenerator;
-import org.onosproject.yangutils.utils.io.CachedFileHandle;
+import org.onosproject.yangutils.translator.GeneratedFileType;
+import org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax;
+import org.onosproject.yangutils.utils.io.impl.FileSystemUtil;
 
 /*-
  * Reference:RFC 6020.
@@ -67,8 +71,7 @@
 /**
  * Data model node to maintain information defined in YANG module.
  */
-public class YangModule extends YangNode
-        implements YangLeavesHolder, YangDesc, YangReference, Parsable, CodeGenerator {
+public class YangModule extends YangNode implements YangLeavesHolder, YangDesc, YangReference, Parsable, CodeGenerator {
 
     /**
      * Name of the module.
@@ -109,14 +112,12 @@
     /**
      * List of leaves at root level in the module.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeaf> listOfLeaf;
+    private List<YangLeaf<?>> listOfLeaf;
 
     /**
      * List of leaf-lists at root level in the module.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeafList> listOfLeafList;
+    private List<YangLeafList<?>> listOfLeafList;
 
     /**
      * Name space of the module.
@@ -209,6 +210,7 @@
      *
      * @return the description of YANG module.
      */
+    @Override
     public String getDescription() {
         return description;
     }
@@ -218,6 +220,7 @@
      *
      * @param description set the description of YANG module.
      */
+    @Override
     public void setDescription(String description) {
         this.description = description;
     }
@@ -294,8 +297,8 @@
      *
      * @return the list of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeaf> getListOfLeaf() {
+    @Override
+    public List<YangLeaf<?>> getListOfLeaf() {
         return listOfLeaf;
     }
 
@@ -304,8 +307,7 @@
      *
      * @param leafsList the list of leaf to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeaf(List<YangLeaf> leafsList) {
+    private void setListOfLeaf(List<YangLeaf<?>> leafsList) {
         listOfLeaf = leafsList;
     }
 
@@ -314,10 +316,10 @@
      *
      * @param leaf the leaf to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeaf(YangLeaf<?> leaf) {
         if (getListOfLeaf() == null) {
-            setListOfLeaf(new LinkedList<YangLeaf>());
+            setListOfLeaf(new LinkedList<YangLeaf<?>>());
         }
 
         getListOfLeaf().add(leaf);
@@ -328,8 +330,8 @@
      *
      * @return the list of leaf-list.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeafList> getListOfLeafList() {
+    @Override
+    public List<YangLeafList<?>> getListOfLeafList() {
         return listOfLeafList;
     }
 
@@ -338,8 +340,7 @@
      *
      * @param listOfLeafList the list of leaf-list to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeafList(List<YangLeafList> listOfLeafList) {
+    private void setListOfLeafList(List<YangLeafList<?>> listOfLeafList) {
         this.listOfLeafList = listOfLeafList;
     }
 
@@ -348,10 +349,10 @@
      *
      * @param leafList the leaf-list to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeafList(YangLeafList<?> leafList) {
         if (getListOfLeafList() == null) {
-            setListOfLeafList(new LinkedList<YangLeafList>());
+            setListOfLeafList(new LinkedList<YangLeafList<?>>());
         }
 
         getListOfLeafList().add(leafList);
@@ -416,6 +417,7 @@
      *
      * @return the reference.
      */
+    @Override
     public String getReference() {
         return reference;
     }
@@ -425,6 +427,7 @@
      *
      * @param reference the reference to set.
      */
+    @Override
     public void setReference(String reference) {
         this.reference = reference;
     }
@@ -508,6 +511,7 @@
      *
      * @return returns MODULE_DATA.
      */
+    @Override
     public ParsableDataType getParsableDataType() {
         return ParsableDataType.MODULE_DATA;
     }
@@ -517,6 +521,7 @@
      *
      * @throws DataModelException a violation of data model rules
      */
+    @Override
     public void validateDataOnEntry() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -526,24 +531,67 @@
      *
      * @throws DataModelException a violation of data model rules
      */
+    @Override
     public void validateDataOnExit() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
 
     /**
      * Generates java code for module.
+     *
+     * @throws IOException when fails to generate the source files.
      */
-    public void generateJavaCodeEntry() {
-        //TODO: autogenerated method stub, to be implemented
+    @Override
+    public void generateJavaCodeEntry() throws IOException {
+        String modPkg = JavaIdentifierSyntax.getRootPackage(getVersion(), getNameSpace().getUri(),
+                getRevision().getRevDate());
+        setPackage(modPkg);
 
-        return;
+        CachedFileHandle handle = null;
+        try {
+            FileSystemUtil.createPackage(getPackage(), getName());
+            handle = FileSystemUtil.createSourceFiles(getPackage(), getName(), GeneratedFileType.ALL);
+        } catch (IOException e) {
+            throw new IOException("Failed to create the source files.");
+        }
+        setFileHandle(handle);
+        addLavesAttributes();
+        addLeafListAttributes();
+    }
+
+    /**
+     * Adds leaf attributes in generated files.
+     */
+    private void addLavesAttributes() {
+
+        List<YangLeaf<?>> leaves = getListOfLeaf();
+        if (leaves != null) {
+            for (YangLeaf<?> leaf : leaves) {
+                getFileHandle().addAttributeInfo(leaf.getDataType(), leaf.getLeafName(), false);
+            }
+        }
+    }
+
+    /**
+     * Adds leaf list's attributes in generated files.
+     */
+    private void addLeafListAttributes() {
+        List<YangLeafList<?>> leavesList = getListOfLeafList();
+        if (leavesList != null) {
+            for (YangLeafList<?> leafList : leavesList) {
+                getFileHandle().addAttributeInfo(leafList.getDataType(), leafList.getLeafName(), true);
+            }
+        }
     }
 
     /**
      * Free resources used to generate code.
+     *
+     * @throws IOException when fails to generate source files.
      */
-    public void generateJavaCodeExit() {
-                //TODO: autogenerated method stub, to be implemented
+    @Override
+    public void generateJavaCodeExit() throws IOException {
+        getFileHandle().close();
         return;
     }
 
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangSubModule.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangSubModule.java
index 163599a..36dbb23 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangSubModule.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangSubModule.java
@@ -72,8 +72,7 @@
 /**
  * Data model node to maintain information defined in YANG sub-module.
  */
-public class YangSubModule extends YangNode
-        implements YangLeavesHolder, YangDesc, YangReference, Parsable {
+public class YangSubModule extends YangNode implements YangLeavesHolder, YangDesc, YangReference, Parsable {
 
     /**
      * Name of sub module.
@@ -114,14 +113,12 @@
     /**
      * List of leaves at root level in the sub-module.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeaf> listOfLeaf;
+    private List<YangLeaf<?>> listOfLeaf;
 
     /**
      * List of leaf-lists at root level in the sub-module.
      */
-    @SuppressWarnings("rawtypes")
-    private List<YangLeafList> listOfLeafList;
+    private List<YangLeafList<?>> listOfLeafList;
 
     /**
      * organization owner of the sub-module.
@@ -207,6 +204,7 @@
      *
      * @return the description.
      */
+    @Override
     public String getDescription() {
         return description;
     }
@@ -216,6 +214,7 @@
      *
      * @param description set the description.
      */
+    @Override
     public void setDescription(String description) {
         this.description = description;
     }
@@ -292,8 +291,8 @@
      *
      * @return the list of leaves.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeaf> getListOfLeaf() {
+    @Override
+    public List<YangLeaf<?>> getListOfLeaf() {
         return listOfLeaf;
     }
 
@@ -302,8 +301,7 @@
      *
      * @param leafsList the list of leaf to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeaf(List<YangLeaf> leafsList) {
+    private void setListOfLeaf(List<YangLeaf<?>> leafsList) {
         listOfLeaf = leafsList;
     }
 
@@ -312,10 +310,10 @@
      *
      * @param leaf the leaf to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeaf(YangLeaf<?> leaf) {
         if (getListOfLeaf() == null) {
-            setListOfLeaf(new LinkedList<YangLeaf>());
+            setListOfLeaf(new LinkedList<YangLeaf<?>>());
         }
 
         getListOfLeaf().add(leaf);
@@ -326,8 +324,8 @@
      *
      * @return the list of leaf-list.
      */
-    @SuppressWarnings("rawtypes")
-    public List<YangLeafList> getListOfLeafList() {
+    @Override
+    public List<YangLeafList<?>> getListOfLeafList() {
         return listOfLeafList;
     }
 
@@ -336,8 +334,7 @@
      *
      * @param listOfLeafList the list of leaf-list to set.
      */
-    @SuppressWarnings("rawtypes")
-    private void setListOfLeafList(List<YangLeafList> listOfLeafList) {
+    private void setListOfLeafList(List<YangLeafList<?>> listOfLeafList) {
         this.listOfLeafList = listOfLeafList;
     }
 
@@ -346,10 +343,10 @@
      *
      * @param leafList the leaf-list to be added.
      */
-    @SuppressWarnings("rawtypes")
+    @Override
     public void addLeafList(YangLeafList<?> leafList) {
         if (getListOfLeafList() == null) {
-            setListOfLeafList(new LinkedList<YangLeafList>());
+            setListOfLeafList(new LinkedList<YangLeafList<?>>());
         }
 
         getListOfLeafList().add(leafList);
@@ -378,6 +375,7 @@
      *
      * @return the reference.
      */
+    @Override
     public String getReference() {
         return reference;
     }
@@ -387,6 +385,7 @@
      *
      * @param reference the reference to set.
      */
+    @Override
     public void setReference(String reference) {
         this.reference = reference;
     }
@@ -432,6 +431,7 @@
      *
      * @return returns SUB_MODULE_DATA.
      */
+    @Override
     public ParsableDataType getParsableDataType() {
         return ParsableDataType.SUB_MODULE_DATA;
     }
@@ -441,6 +441,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnEntry() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -450,6 +451,7 @@
      *
      * @throws DataModelException a violation of data model rules.
      */
+    @Override
     public void validateDataOnExit() throws DataModelException {
         // TODO auto-generated method stub, to be implemented by parser
     }
@@ -457,6 +459,7 @@
     /* (non-Javadoc)
      * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeEntry()
      */
+    @Override
     public void generateJavaCodeEntry() {
         // TODO Auto-generated method stub
 
@@ -465,6 +468,7 @@
     /* (non-Javadoc)
      * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeExit()
      */
+    @Override
     public void generateJavaCodeExit() {
         // TODO Auto-generated method stub