Extension of publisher class for Topics

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@829106 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 59 insertions, 0 deletions

diff --git a/java/client/example/src/main/java/org/apache/qpid/example/publisher/TopicPublisher.java b/java/client/example/src/main/java/org/apache/qpid/example/publisher/TopicPublisher.java
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+++ b/java/client/example/src/main/java/org/apache/qpid/example/publisher/TopicPublisher.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.qpid.example.publisher;
+
+import org.apache.qpid.client.BasicMessageProducer;
+import org.apache.qpid.example.shared.InitialContextHelper;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
+
+import javax.jms.*;
+import javax.naming.InitialContext;
+
+/**
+ * Subclass of Publisher which sends messages to a topic destination defined in example.properties
+ */
+public class TopicPublisher extends Publisher
+{
+
+    private static final Logger _log = LoggerFactory.getLogger(Publisher.class);
+
+    public TopicPublisher()
+    {
+        super();
+
+        try
+        {
+            _contextHelper = new InitialContextHelper(null);
+            InitialContext ctx = _contextHelper.getInitialContext();
+
+           //lookup the example topic and use it
+           _destination = (Topic) ctx.lookup("MyTopic");
+
+           //create a message producer
+           _producer = _session.createProducer(_destination);
+        }
+        catch (Exception e)
+        {
+            //argh
+            _log.error("Exception trying to construct TopicPublisher" + e);
+        }
+
+    }
+}
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