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.MessageListener;
020
021 import org.apache.camel.Processor;
022 import org.apache.camel.impl.DefaultConsumer;
023
024 import org.springframework.jms.listener.AbstractMessageListenerContainer;
025
026 /**
027 * A {@link Consumer} which uses Spring's {@link AbstractMessageListenerContainer} implementations to consume JMS messages
028 *
029 * @version $Revision: 563665 $
030 */
031 public class JmsConsumer extends DefaultConsumer<JmsExchange> {
032 private final AbstractMessageListenerContainer listenerContainer;
033
034 public JmsConsumer(JmsEndpoint endpoint, Processor processor, AbstractMessageListenerContainer listenerContainer) {
035 super(endpoint, processor);
036 this.listenerContainer = listenerContainer;
037
038 MessageListener messageListener = createMessageListener(endpoint, processor);
039 this.listenerContainer.setMessageListener(messageListener);
040 }
041
042 public AbstractMessageListenerContainer getListenerContainer() {
043 return listenerContainer;
044 }
045
046 protected MessageListener createMessageListener(JmsEndpoint endpoint, Processor processor) {
047 EndpointMessageListener<JmsExchange> messageListener = new EndpointMessageListener<JmsExchange>(endpoint, processor);
048 messageListener.setBinding(endpoint.getBinding());
049 return messageListener;
050 }
051
052 @Override
053 protected void doStart() throws Exception {
054 super.doStart();
055 listenerContainer.afterPropertiesSet();
056 listenerContainer.start();
057 }
058
059 @Override
060 protected void doStop() throws Exception {
061 listenerContainer.stop();
062 listenerContainer.destroy();
063 super.doStop();
064 }
065 }