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 org.apache.camel.CamelContext;
020    import org.apache.camel.Exchange;
021    import org.apache.camel.impl.DefaultExchange;
022    
023    import javax.jms.JMSException;
024    import javax.jms.Message;
025    import javax.jms.Session;
026    
027    /**
028     * @version $Revision:520964 $
029     */
030    public class DefaultJmsExchange extends DefaultExchange implements JmsExchange {
031    
032        public DefaultJmsExchange(CamelContext container) {
033            super(container);
034        }
035    
036        public DefaultJmsExchange(CamelContext container, Message message) {
037            super(container);
038            setIn(new DefaultJmsMessage(message));
039        }
040    
041        @Override
042        public Exchange newInstance() {
043            return new DefaultJmsExchange(getContext());
044        }
045    
046        public Message createMessage(Session session) throws JMSException {
047            Message request = getInMessage();
048            if (request == null) {
049                request = session.createMessage();
050    
051                /** TODO
052                if (lazyHeaders != null) {
053                    // lets add any lazy headers
054                    for (Map.Entry<String, Object> entry : lazyHeaders.entrySet()) {
055                        request.setObjectProperty(entry.getKey(), entry.getValue());
056                    }
057                }
058                 */
059            }
060            return request;
061        }
062    
063        public Message getInMessage() {
064            JmsMessage jmsMessage = (JmsMessage) getIn();
065            if (jmsMessage != null) {
066                return jmsMessage.getJmsMessage();
067            }
068            return null;
069        }
070    
071        @Override
072        protected org.apache.camel.Message createInMessage() {
073            return new DefaultJmsMessage();
074        }
075    
076        @Override
077        protected org.apache.camel.Message createOutMessage() {
078            return new DefaultJmsMessage();
079        }
080    }