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.jbi;
018    
019    import org.apache.camel.CamelContext;
020    import org.apache.camel.Exchange;
021    import org.apache.camel.impl.DefaultExchange;
022    
023    import javax.jbi.messaging.MessageExchange;
024    import javax.jbi.messaging.NormalizedMessage;
025    
026    /**
027     * An {@link Exchange} working with JBI which exposes the underlying JBI features such as the
028     * JBI {@link #getMessageExchange()}, {@link #getInMessage()} and {@link #getOutMessage()} 
029     *
030     * @version $Revision: 563665 $
031     */
032    public class JbiExchange extends DefaultExchange {
033        private final JbiBinding binding;
034        private MessageExchange messageExchange;
035    
036        public JbiExchange(CamelContext context, JbiBinding binding) {
037            super(context);
038            this.binding = binding;
039        }
040    
041        public JbiExchange(CamelContext context, JbiBinding binding, MessageExchange messageExchange) {
042            super(context);
043            this.binding = binding;
044            this.messageExchange = messageExchange;
045    
046            // TODO we could maybe use the typesafe APIs of different derived APIs from JBI 
047            setIn(new JbiMessage(messageExchange.getMessage("in")));
048            setOut(new JbiMessage(messageExchange.getMessage("out")));
049            setFault(new JbiMessage(messageExchange.getMessage("fault")));
050        }
051    
052        @Override
053        public JbiMessage getIn() {
054            return (JbiMessage) super.getIn();
055        }
056    
057        @Override
058        public JbiMessage getOut() {
059            return (JbiMessage) super.getOut();
060        }
061    
062        @Override
063        public JbiMessage getOut(boolean lazyCreate) {
064            return (JbiMessage) super.getOut(lazyCreate);
065        }
066    
067        @Override
068        public JbiMessage getFault() {
069            return (JbiMessage) super.getFault();
070        }
071    
072        /**
073         * @return the Camel <-> JBI binding
074         */
075        public JbiBinding getBinding() {
076            return binding;
077        }
078    
079        // Expose JBI features
080        //-------------------------------------------------------------------------
081    
082        /**
083         * Returns the underlying JBI message exchange for an inbound exchange
084         * or null for outbound messages
085         *
086         * @return the inbound message exchange
087         */
088        public MessageExchange getMessageExchange() {
089            return messageExchange;
090        }
091    
092        /**
093         * Returns the underlying In {@link NormalizedMessage}
094         *
095         * @return the In message
096         */
097        public NormalizedMessage getInMessage() {
098            return getIn().getNormalizedMessage();
099        }
100    
101        /**
102         * Returns the underlying Out {@link NormalizedMessage}
103         *
104         * @return the Out message
105         */
106        public NormalizedMessage getOutMessage() {
107            return getOut().getNormalizedMessage();
108        }
109    
110        /**
111         * Returns the underlying Fault {@link NormalizedMessage}
112         *
113         * @return the Fault message
114         */
115        public NormalizedMessage getFaultMessage() {
116            return getFault().getNormalizedMessage();
117        }
118    
119        // Implementation methods
120        //-------------------------------------------------------------------------
121    
122        @Override
123        protected JbiMessage createInMessage() {
124            return new JbiMessage();
125        }
126    
127        @Override
128        protected JbiMessage createOutMessage() {
129            return new JbiMessage();
130        }
131    }