YANG Derived Data Type Support + Change in YANG Parser Grammar to
Support String values which are not in double quotes with UT case +
Addition of Revision Date Validation with UT case + Removal of
String.valueOf
Change-Id: Ic152265a35c0d2b0f84473a94ca67681cf8efca8
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/DefaultListener.java b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/DefaultListener.java
new file mode 100644
index 0000000..f500cca
--- /dev/null
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/DefaultListener.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2014-2016 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.listeners;
+
+/*
+ * Reference: RFC6020 and YANG ANTLR Grammar
+ *
+ * typedef-stmt = typedef-keyword sep identifier-arg-str optsep
+ * "{" stmtsep
+ * ;; these stmts can appear in any order
+ * type-stmt stmtsep
+ * [units-stmt stmtsep]
+ * [default-stmt stmtsep]
+ * [status-stmt stmtsep]
+ * [description-stmt stmtsep]
+ * [reference-stmt stmtsep]
+ * "}"
+ * default-stmt = default-keyword sep string stmtend
+
+ *
+ * ANTLR grammar rule
+ * typedefStatement : TYPEDEF_KEYWORD IDENTIFIER LEFT_CURLY_BRACE
+ * (typeStatement | unitsStatement | defaultStatement | statusStatement
+ * | descriptionStatement | referenceStatement)* RIGHT_CURLY_BRACE;
+ * defaultStatement : DEFAULT_KEYWORD string STMTEND;
+ */
+
+import org.onosproject.yangutils.datamodel.YangTypeDef;
+import org.onosproject.yangutils.parser.Parsable;
+import org.onosproject.yangutils.parser.antlrgencode.GeneratedYangParser;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+import org.onosproject.yangutils.parser.impl.TreeWalkListener;
+
+import static org.onosproject.yangutils.parser.ParsableDataType.DEFAULT_DATA;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation.ENTRY;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction.constructListenerErrorMessage;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.MISSING_HOLDER;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.INVALID_HOLDER;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation.checkStackIsNotEmpty;
+
+public final class DefaultListener {
+
+ /**
+ * Creates a new default listener.
+ */
+ private DefaultListener() {
+ }
+
+ /**
+ * It is called when parser enters grammar rule (default), it perform
+ * validations and updates the data model tree.
+ *
+ * @param listener listener's object.
+ * @param ctx context object of the grammar rule.
+ */
+ public static void processDefaultEntry(TreeWalkListener listener,
+ GeneratedYangParser.DefaultStatementContext ctx) {
+
+ // Check for stack to be non empty.
+ checkStackIsNotEmpty(listener, MISSING_HOLDER, DEFAULT_DATA, ctx.string().getText(), ENTRY);
+
+ Parsable tmpNode = listener.getParsedDataStack().peek();
+ switch (tmpNode.getParsableDataType()) {
+ case TYPEDEF_DATA: {
+ YangTypeDef typeDef = (YangTypeDef) tmpNode;
+ typeDef.setDefaultValueInString(ctx.string().getText());
+ break;
+ }
+ default:
+ throw new ParserException(constructListenerErrorMessage(INVALID_HOLDER,
+ DEFAULT_DATA, ctx.string().getText(), ENTRY));
+ }
+ }
+}