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/*
* 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.amqp_1_0.jms.impl;
import org.apache.qpid.amqp_1_0.jms.Topic;
import java.util.UUID;
import java.util.WeakHashMap;
public class TopicImpl extends DestinationImpl implements Topic
{
private static final WeakHashMap<String, TopicImpl> TOPIC_CACHE =
new WeakHashMap<String, TopicImpl>();
public TopicImpl(String address)
{
super(address);
}
public String getTopicName()
{
return getAddress();
}
public static synchronized TopicImpl createTopic(String address)
{
TopicImpl topic;
if (address.endsWith("!!"))
{
address = address.substring(0, address.length() - 2);
String localTerminusName = UUID.randomUUID().toString();
topic = new TopicImpl(address);
topic.setLocalTerminus(localTerminusName);
}
else
{
topic = TOPIC_CACHE.get(address);
if(topic == null)
{
topic = new TopicImpl(address);
TOPIC_CACHE.put(address, topic);
}
}
return topic;
}
public static TopicImpl valueOf(String address)
{
return address == null ? null : createTopic(address);
}
}
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