commit 4f1f08b91078f6c1b41e431bcd2d8a18c808b13c
author Vidyashree Rama <vidyashree.rama@huawei.com> Sat Feb 13 21:47:58 2016 +0530
committer Gerrit Code Review <gerrit@onlab.us> Thu Feb 18 09:17:49 2016 +0000
tree 8c1e0785c453d96eb7bf4d639bafd8edb35aeb1a
parent 8056acdbe56c3926aca5ed53dfe0fa401a2229df

[ONOS-3892,3895,3882,3883,3896]Implementation of yang container, list, leaf, leaf-list parser

Change-Id: Id51839bc434044be8273382f80f15b12f0ec8709

utils/yangutils/src/main/java/org/onosproject/yangutils/parser/impl/listeners/PresenceListener.java

diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/parser/impl/listeners/PresenceListener.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/parser/impl/listeners/PresenceListener.java
index a4bfc67..b63f901 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/parser/impl/listeners/PresenceListener.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/parser/impl/listeners/PresenceListener.java
@@ -16,8 +16,16 @@
 
 package org.onosproject.yangutils.parser.impl.listeners;
 
+import org.onosproject.yangutils.datamodel.YangContainer;
+import org.onosproject.yangutils.parser.Parsable;
+import org.onosproject.yangutils.parser.ParsableDataType;
 import org.onosproject.yangutils.parser.antlrgencode.GeneratedYangParser;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
 import org.onosproject.yangutils.parser.impl.TreeWalkListener;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation;
 
 /*
  * Reference: RFC6020 and YANG ANTLR Grammar
@@ -51,18 +59,22 @@
      */
     public static void processPresenceEntry(TreeWalkListener listener,
                                              GeneratedYangParser.PresenceStatementContext ctx) {
-        // TODO method implementation
-    }
 
-    /**
-     * It is called when parser exits from grammar rule (presence), it performs
-     * validation and updates the data model tree.
-     *
-     * @param listener listener's object.
-     * @param ctx context object of the grammar rule.
-     */
-    public static void processPresenceExit(TreeWalkListener listener,
-                                            GeneratedYangParser.PresenceStatementContext ctx) {
-        // TODO method implementation
+        // Check for stack to be non empty.
+        ListenerValidation.checkStackIsNotEmpty(listener, ListenerErrorType.MISSING_HOLDER,
+                ParsableDataType.PRESENCE_DATA, String.valueOf(ctx.string().getText()),
+                ListenerErrorLocation.ENTRY);
+
+        Parsable tmpData = listener.getParsedDataStack().peek();
+        if (tmpData.getParsableDataType() == ParsableDataType.CONTAINER_DATA) {
+            YangContainer container = (YangContainer) tmpData;
+            container.setPresence(ctx.string().getText());
+        } else {
+            throw new ParserException(ListenerErrorMessageConstruction
+                    .constructListenerErrorMessage(ListenerErrorType.INVALID_HOLDER,
+                            ParsableDataType.PRESENCE_DATA,
+                            String.valueOf(ctx.string().getText()),
+                            ListenerErrorLocation.ENTRY));
+        }
     }
 }
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