001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.component.jms;
018    
019    import javax.jms.Message;
020    import javax.jms.MessageListener;
021    
022    import org.apache.camel.Exchange;
023    import org.apache.camel.Processor;
024    import org.apache.camel.RuntimeCamelException;
025    
026    /**
027     * Represents a JMS {@link MessageListener} which can be used directly with any
028     * JMS template or derived from to create an MDB for processing messages using a
029     * {@link Processor}
030     * 
031     * @version $Revision:520964 $
032     */
033    public class MessageListenerProcessor implements MessageListener {
034        private final JmsEndpoint endpoint;
035        private final Processor processor;
036    
037        public MessageListenerProcessor(JmsEndpoint endpoint, Processor processor) {
038            this.endpoint = endpoint;
039            this.processor = processor;
040        }
041    
042        public void onMessage(Message message) {
043            try {
044                Exchange exchange = endpoint.createExchange(message);
045                processor.process(exchange);
046            } catch (Exception e) {
047                throw new RuntimeCamelException(e);
048            }
049        }
050    }