multiFileYangTranslator

Change-Id: I2adfef3acaec4bd74ba2c487404d2c655b800988
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/InputListener.java b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/InputListener.java
index 78a5153..ecd8c4d 100644
--- a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/InputListener.java
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/InputListener.java
@@ -29,15 +29,15 @@
 import static org.onosproject.yangutils.datamodel.utils.YangDataModelFactory.getYangInputNode;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation.ENTRY;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation.EXIT;
-import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction.constructExtendedListenerErrorMessage;
-import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction.constructListenerErrorMessage;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction
+        .constructExtendedListenerErrorMessage;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction
+        .constructListenerErrorMessage;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.INVALID_HOLDER;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.MISSING_CURRENT_HOLDER;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.MISSING_HOLDER;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.UNHANDLED_PARSED_DATA;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation.checkStackIsNotEmpty;
-import static org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation.validateCardinalityNonZero;
-import static org.onosproject.yangutils.utils.YangConstructType.DATA_DEF_DATA;
 import static org.onosproject.yangutils.utils.YangConstructType.INPUT_DATA;
 
 /*
@@ -80,17 +80,14 @@
      * (input), performs validation and updates the data model tree.
      *
      * @param listener listener's object
-     * @param ctx      context object of the grammar rule
+     * @param ctx context object of the grammar rule
      */
     public static void processInputEntry(TreeWalkListener listener,
-                                         GeneratedYangParser.InputStatementContext ctx) {
+            GeneratedYangParser.InputStatementContext ctx) {
 
         // Check for stack to be non empty.
         checkStackIsNotEmpty(listener, MISSING_HOLDER, INPUT_DATA, "", ENTRY);
 
-        validateCardinalityNonZero(ctx.dataDefStatement(), DATA_DEF_DATA,
-                INPUT_DATA, "", ctx);
-
         Parsable curData = listener.getParsedDataStack().peek();
         if (curData instanceof YangRpc) {
 
@@ -115,10 +112,10 @@
      * validations and updates the data model tree.
      *
      * @param listener listener's object
-     * @param ctx      context object of the grammar rule
+     * @param ctx context object of the grammar rule
      */
     public static void processInputExit(TreeWalkListener listener,
-                                        GeneratedYangParser.InputStatementContext ctx) {
+            GeneratedYangParser.InputStatementContext ctx) {
 
         // Check for stack to be non empty.
         checkStackIsNotEmpty(listener, MISSING_HOLDER, INPUT_DATA, "", EXIT);