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 }