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1 /*** 2 * Redistribution and use of this software and associated documentation 3 * ("Software"), with or without modification, are permitted provided 4 * that the following conditions are met: 5 * 6 * 1. Redistributions of source code must retain copyright 7 * statements and notices. Redistributions must also contain a 8 * copy of this document. 9 * 10 * 2. Redistributions in binary form must reproduce the 11 * above copyright notice, this list of conditions and the 12 * following disclaimer in the documentation and/or other 13 * materials provided with the distribution. 14 * 15 * 3. The name "Exolab" must not be used to endorse or promote 16 * products derived from this Software without prior written 17 * permission of Exoffice Technologies. For written permission, 18 * please contact info@exolab.org. 19 * 20 * 4. Products derived from this Software may not be called "Exolab" 21 * nor may "Exolab" appear in their names without prior written 22 * permission of Exoffice Technologies. Exolab is a registered 23 * trademark of Exoffice Technologies. 24 * 25 * 5. Due credit should be given to the Exolab Project 26 * (http://www.exolab.org/). 27 * 28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 39 * OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Copyright 2003 (C) Exoffice Technologies Inc. All Rights Reserved. 42 * 43 * $Id: AbstractMessageConverter.java,v 1.1 2004/01/01 13:45:03 tanderson Exp $ 44 */ 45 46 package org.exolab.jms.message; 47 48 import java.util.Enumeration; 49 50 import javax.jms.Destination; 51 import javax.jms.JMSException; 52 import javax.jms.Message; 53 54 import org.exolab.jms.client.JmsDestination; 55 56 57 /*** 58 * Convert messages to OpenJMS implementations 59 * 60 * @version $Revision: 1.1 $ $Date: 2004/01/01 13:45:03 $ 61 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a> 62 * @see MessageConverterFactory 63 */ 64 abstract class AbstractMessageConverter implements MessageConverter { 65 66 /*** 67 * Convert a message to its corresponding OpenJMS implementation 68 * 69 * @param message the message to convert 70 * @return the converted message 71 * @throws JMSException for any error 72 */ 73 public Message convert(Message message) throws JMSException { 74 Message result = create(); 75 populate(message, result); 76 return result; 77 } 78 79 /*** 80 * Construct an OpenJMS implementation of a message 81 * 82 * @return the OpenJMS implementation of the message 83 * @throws JMSException if the message cannot be created 84 */ 85 protected abstract Message create() throws JMSException; 86 87 /*** 88 * Populate an OpenJMS message from another message of the same type 89 * 90 * @param source the message to convert 91 * @param target the message to populate 92 * @throws JMSException for any error 93 */ 94 protected void populate(Message source, Message target) 95 throws JMSException { 96 97 target.setJMSMessageID(source.getJMSMessageID()); 98 target.setJMSDestination(source.getJMSDestination()); 99 target.setJMSTimestamp(source.getJMSTimestamp()); 100 target.setJMSPriority(source.getJMSPriority()); 101 target.setJMSExpiration(source.getJMSExpiration()); 102 target.setJMSDeliveryMode(source.getJMSDeliveryMode()); 103 target.setJMSCorrelationID(source.getJMSCorrelationID()); 104 target.setJMSType(source.getJMSType()); 105 106 Destination replyTo = source.getJMSReplyTo(); 107 if (replyTo instanceof JmsDestination) { 108 target.setJMSReplyTo(replyTo); 109 } 110 111 // populate properties 112 Enumeration iterator = source.getPropertyNames(); 113 while (iterator.hasMoreElements()) { 114 String name = (String) iterator.nextElement(); 115 if (!name.startsWith("JMSX") || name.equals("JMSXGroupID") 116 || name.equals("JMSXGroupSeq")) { 117 // only populate user and supported JMSX properties 118 119 Object value = (Object) source.getObjectProperty(name); 120 target.setObjectProperty(name, value); 121 } 122 } 123 } 124 125 }

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