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.Consumer;
021 import org.apache.camel.Processor;
022 import org.apache.camel.impl.DefaultConsumer;
023 import org.springframework.jms.listener.AbstractMessageListenerContainer;
024
025 import javax.jms.MessageListener;
026
027 /**
028 * A {@link Consumer} which uses Spring's {@link AbstractMessageListenerContainer} implementations to consume JMS messages
029 *
030 * @version $Revision: 540547 $
031 */
032 public class JmsConsumer extends DefaultConsumer<JmsExchange> {
033 private final AbstractMessageListenerContainer listenerContainer;
034
035 public JmsConsumer(JmsEndpoint endpoint, Processor processor, AbstractMessageListenerContainer listenerContainer) {
036 super(endpoint, processor);
037 this.listenerContainer = listenerContainer;
038
039 MessageListener messageListener = createMessageListener(endpoint, processor);
040 this.listenerContainer.setMessageListener(messageListener);
041 }
042
043 public AbstractMessageListenerContainer getListenerContainer() {
044 return listenerContainer;
045 }
046
047 protected MessageListener createMessageListener(JmsEndpoint endpoint, Processor processor) {
048 EndpointMessageListener<JmsExchange> messageListener = new EndpointMessageListener<JmsExchange>(endpoint, processor);
049 messageListener.setBinding(endpoint.getBinding());
050 return messageListener;
051 }
052
053 @Override
054 protected void doStart() throws Exception {
055 super.doStart();
056 listenerContainer.afterPropertiesSet();
057 listenerContainer.start();
058 }
059
060 @Override
061 protected void doStop() throws Exception {
062 listenerContainer.stop();
063 listenerContainer.destroy();
064 super.doStop();
065 }
066 }