[ONOS-3880, 3881] Change to static import for lesser indentation.

Change-Id: I93a39f9b0ccd019ace5900bf8ba68f7d60f228a0
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorMessageConstruction.java b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorMessageConstruction.java
index 1de8f44..1ef25e3 100644
--- a/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorMessageConstruction.java
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorMessageConstruction.java
@@ -18,6 +18,10 @@
 
 import org.onosproject.yangutils.parser.ParsableDataType;
 
+import static org.onosproject.yangutils.parser.ParsableDataType.getParsableDataType;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation.getErrorLocationMessage;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.getErrorType;
+
 /**
  * It's a utility to help construct detailed error message.
  */
@@ -30,13 +34,15 @@
     }
 
     /**
-     * Constructs message for error with extended information and returns the same.
+     * Constructs message for error with extended information and returns the
+     * same.
      *
-     * @param errorType            error type needs to be set in error message.
-     * @param parsableDataType     type of parsable data in which error occurred.
-     * @param parsableDataTypeName identifier/string of parsable data type in which error occurred.
-     * @param errorLocation        location where error occurred.
-     * @param extendedErrorInformation  extended error information.
+     * @param errorType error type needs to be set in error message.
+     * @param parsableDataType type of parsable data in which error occurred.
+     * @param parsableDataTypeName identifier/string of parsable data type in
+     *            which error occurred.
+     * @param errorLocation location where error occurred.
+     * @param extendedErrorInformation extended error information.
      * @return constructed error message.
      */
     public static String constructExtendedListenerErrorMessage(ListenerErrorType errorType,
@@ -46,16 +52,21 @@
                                                                String extendedErrorInformation) {
         String newErrorMessage;
         newErrorMessage = constructListenerErrorMessage(errorType, parsableDataType, parsableDataTypeName,
-                errorLocation) + "\n" + "Error Information: " + extendedErrorInformation;
+                                                        errorLocation)
+                + "\n"
+                + "Error Information: "
+                + extendedErrorInformation;
         return newErrorMessage;
     }
 
     /**
-     * Constructs message for error during listener based tree walk and returns the same.
+     * Constructs message for error during listener based tree walk and returns
+     * the same.
      *
      * @param errorType error type needs to be set in error message.
      * @param parsableDataType type of parsable data in which error occurred.
-     * @param parsableDataTypeName identifier/string of parsable data type in which error occurred.
+     * @param parsableDataTypeName identifier/string of parsable data type in
+     *            which error occurred.
      * @param errorLocation location where error occurred.
      * @return constructed error message.
      */
@@ -66,9 +77,8 @@
 
         String errorMessage;
 
-        errorMessage = "Internal parser error detected: " + ListenerErrorType.getErrorType(errorType) + " "
-                + ParsableDataType.getParsableDataType(parsableDataType);
-
+        errorMessage = "Internal parser error detected: " + getErrorType(errorType) + " "
+                + getParsableDataType(parsableDataType);
 
         if (!parsableDataTypeName.isEmpty()) {
             errorMessage = errorMessage + " \"" + parsableDataTypeName + "\" ";
@@ -76,7 +86,7 @@
             errorMessage = errorMessage + " ";
 
         }
-        errorMessage = errorMessage + ListenerErrorLocation.getErrorLocationMessage(errorLocation) + " processing.";
+        errorMessage = errorMessage + getErrorLocationMessage(errorLocation) + " processing.";
         return errorMessage;
     }
-}
\ No newline at end of file
+}