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    }