[ONOS-3880, 3881] Yang Listener for Module and Sub-Module
Change-Id: Iee75c3e04af9b66ebc38acb3396aa4c54af5a268
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
new file mode 100644
index 0000000..b989407
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+++ b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorLocation.java
@@ -0,0 +1,50 @@
+/*
+ * 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.parser.impl.parserutils;
+
+/**
+ * Maintains listener error location.
+ */
+public enum ListenerErrorLocation {
+ /**
+ * Represents that the error location is before processing.
+ */
+ ENTRY(),
+
+ /**
+ * Represents that the error location is before processing.
+ */
+ EXIT();
+
+ /**
+ * Returns the message corresponding to listener error location.
+ *
+ * @param errorLocation enum value for type of error.
+ * @return message corresponding to listener error location.
+ */
+ public static String getErrorLocationMessage(ListenerErrorLocation errorLocation) {
+
+ switch (errorLocation) {
+ case ENTRY:
+ return "before";
+ case EXIT:
+ return "after";
+ default:
+ return "during";
+ }
+ }
+}
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