[ONOS-3904] Derived data type and formatting fixes

Change-Id: I1d68899e0056fa0db6322e83f7e9d3ff9b3b1ee0
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorLocation.java b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorLocation.java
index b989407..4c3efd6 100644
--- a/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorLocation.java
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorLocation.java
@@ -39,12 +39,12 @@
     public static String getErrorLocationMessage(ListenerErrorLocation errorLocation) {
 
         switch (errorLocation) {
-        case ENTRY:
-            return "before";
-        case EXIT:
-            return "after";
-        default:
-            return "during";
+            case ENTRY:
+                return "before";
+            case EXIT:
+                return "after";
+            default:
+                return "during";
         }
     }
 }
\ No newline at end of file
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ParseTreeErrorListener.java b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ParseTreeErrorListener.java
index a507e3a..71f99fe 100644
--- a/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ParseTreeErrorListener.java
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ParseTreeErrorListener.java
@@ -24,14 +24,13 @@
 /**
  * By default, ANTLR sends all errors to standard error, this is changed by
  * providing this new implementation of interface ANTLRErrorListener. The
- * interface has a syntaxError() method that applies to both lexer and
- * parser.
+ * interface has a syntaxError() method that applies to both lexer and parser.
  */
 public class ParseTreeErrorListener extends BaseErrorListener {
 
     @Override
     public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line, int charPositionInLine,
-                            String msg, RecognitionException e) {
+            String msg, RecognitionException e) {
 
         ParserException parserException = new ParserException(msg);
         parserException.setLine(line);