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    }