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The ActiveMQ Message Broker and Client implementations
/**
* 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.activemq.util;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import org.apache.activemq.command.ActiveMQMessage;
/**
* A comparator which works on SendCommand objects to compare the destinations
*
* @version $Revision: 564057 $
*/
public class MessageDestinationComparator extends MessageComparatorSupport {
protected int compareMessages(Message message1, Message message2) {
return compareComparators(getComparable(getDestination(message1)), getComparable(getDestination(message2)));
}
protected Destination getDestination(Message message) {
if (message instanceof ActiveMQMessage) {
ActiveMQMessage amqMessage = (ActiveMQMessage)message;
return amqMessage.getDestination();
}
try {
return message.getJMSDestination();
} catch (JMSException e) {
return null;
}
}
protected Comparable getComparable(Destination destination) {
if (destination != null) {
return destination.toString();
}
return null;
}
}