1 files changed, 92 insertions, 0 deletions
diff --git a/java/java/client/src/org/apache/qpid/client/AMQTopic.java b/java/java/client/src/org/apache/qpid/client/AMQTopic.java
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index 0000000000..89727f65b7
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+++ b/java/java/client/src/org/apache/qpid/client/AMQTopic.java
@@ -0,0 +1,92 @@
+/*
+ *
+ * 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.client;
+
+import org.apache.qpid.url.BindingURL;
+import org.apache.qpid.exchange.ExchangeDefaults;
+
+import javax.jms.JMSException;
+import javax.jms.Topic;
+
+public class AMQTopic extends AMQDestination implements Topic
+    {
+    /**
+    * Constructor for use in creating a topic using a BindingURL.
+     *
+     * @param binding The binding url object.
+    */
+    public AMQTopic(BindingURL binding)
+    {
+        super(binding);
+    }
+
+    public AMQTopic(String name)
+    {
+        super(ExchangeDefaults.TOPIC_EXCHANGE_NAME, ExchangeDefaults.TOPIC_EXCHANGE_CLASS, name, true, true, null);
+        _isDurable = false;
+    }
+
+    /**
+     * Constructor for use in creating a topic to represent a durable subscription
+     * @param topic
+     * @param clientId
+     * @param subscriptionName
+     */
+    public AMQTopic(AMQTopic topic, String clientId, String subscriptionName)
+    {
+        super(ExchangeDefaults.TOPIC_EXCHANGE_NAME, ExchangeDefaults.TOPIC_EXCHANGE_CLASS, topic.getDestinationName(), true, false, clientId + ":" + subscriptionName);
+        _isDurable = true;
+    }
+
+    public String getTopicName() throws JMSException
+    {
+        return super.getDestinationName();
+    }
+
+    public String getEncodedName()
+    {
+        return 'T' + getDestinationName();
+    }
+
+     public String getRoutingKey()
+    {
+        return getDestinationName();
+    }
+
+    public boolean isNameRequired()
+    {
+        // Topics always rely on a server generated queue name.
+        return false;
+    }
+
+    /**
+     * Override since the queue is always private and we must ensure it remains null. If not,
+     * reuse of the topic when registering consumers will make all consumers listen on the same (private) queue rather
+     * than getting their own (private) queue.
+     *
+     * This is relatively nasty but it is difficult to come up with a more elegant solution, given
+     * the requirement in the case on AMQQueue and possibly other AMQDestination subclasses to
+     * use the underlying queue name even where it is server generated.
+     */
+    public void setQueueName(String queueName)
+    {
+    }
+}