001    /**
002     *
003     * Licensed to the Apache Software Foundation (ASF) under one or more
004     * contributor license agreements.  See the NOTICE file distributed with
005     * this work for additional information regarding copyright ownership.
006     * The ASF licenses this file to You under the Apache License, Version 2.0
007     * (the "License"); you may not use this file except in compliance with
008     * the License.  You may obtain a copy of the License at
009     *
010     * http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    package org.apache.camel.component.jms;
019    
020    import org.apache.camel.Exchange;
021    import org.apache.camel.Processor;
022    import org.apache.camel.RuntimeCamelException;
023    
024    import javax.jms.Message;
025    import javax.jms.MessageListener;
026    
027    /**
028     * Represents a JMS {@link MessageListener} which can be used directly with any JMS template
029     * or derived from to create an MDB for processing messages using a {@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    }