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.servicemix.components.util;
018    
019    import javax.jbi.messaging.MessagingException;
020    import javax.jbi.messaging.NormalizedMessage;
021    import javax.xml.transform.Source;
022    
023    import org.apache.servicemix.JavaSource;
024    import org.apache.servicemix.jbi.messaging.NormalizedMessageImpl;
025    import org.apache.servicemix.jbi.messaging.PojoMarshaler;
026    
027    /**
028     * Some helper methods for working with messages
029     *
030     * @version $Revision: $
031     * @deprecated
032     */
033    public final class MessageHelper {
034        
035        private MessageHelper() {
036        }
037    
038        /**
039         * A helper method to return the body of the message as a POJO which could be a
040         * bean or some DOMish model of the body.
041         *
042         * @param message the message on which to extract the body
043         * @return the body of the message as a POJO or DOM object
044         * @throws javax.jbi.messaging.MessagingException
045         *
046         */
047        public static Object getBody(NormalizedMessage message) throws MessagingException {
048            Source content = message.getContent();
049            if (content instanceof JavaSource) {
050                JavaSource source = (JavaSource) content;
051                return source.getObject();
052            }
053            if (message instanceof NormalizedMessageImpl) {
054                return ((NormalizedMessageImpl) message).getBody();
055            }
056            return message.getProperty(PojoMarshaler.BODY);
057        }
058    
059        /**
060         * A helper method to return the body of the message as a POJO which could be a
061         * bean or some DOMish model of the body.
062         *
063         * @param message    the message on which to extract the body
064         * @param marshaller the marshaller used to map from the XML representation to the POJO
065         * @return the body of the message as a POJO or DOM object
066         * @throws javax.jbi.messaging.MessagingException
067         *
068         */
069        public static Object getBody(NormalizedMessage message, PojoMarshaler marshaller) throws MessagingException {
070            Source content = message.getContent();
071            if (content instanceof JavaSource) {
072                JavaSource source = (JavaSource) content;
073                return source.getObject();
074            }
075            if (message instanceof NormalizedMessageImpl) {
076                return ((NormalizedMessageImpl) message).getBody(marshaller);
077            }
078            return message.getProperty(PojoMarshaler.BODY);
079        }
080    
081        /**
082         * Sets the body of the message as a POJO
083         *
084         * @param message the message on which to set the body
085         * @param body    the POJO or DOMish model to set
086         * @throws MessagingException
087         */
088        public static void setBody(NormalizedMessage message, Object body) throws MessagingException {
089            Source content = message.getContent();
090            if (content instanceof JavaSource) {
091                JavaSource source = (JavaSource) content;
092                source.setObject(body);
093            } else if (message instanceof NormalizedMessageImpl) {
094                ((NormalizedMessageImpl) message).setBody(body);
095            } else {
096                message.setProperty(PojoMarshaler.BODY, body);
097            }
098        }
099    
100    }