TopicSender.java |
/* * Copyright 2002 Sun Microsystems, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistribution in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Sun Microsystems, Inc. or the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * This software is provided "AS IS," without a warranty of any * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that Software is not designed, licensed or intended * for use in the design, construction, operation or maintenance of * any nuclear facility. */ package com.sun.j2ee.blueprints.supplier.transitions; import javax.naming.NamingException; import javax.naming.InitialContext; import javax.jms.TopicConnectionFactory; import javax.jms.TopicConnection; import javax.jms.Topic; import javax.jms.TopicSession; import javax.jms.TopicPublisher; import javax.jms.Session; import javax.jms.TextMessage; import javax.jms.JMSException; /** * A helper class which takes care of sending a message to the * Invoice MDB Topic. */ public class TopicSender implements java.io.Serializable { private TopicConnectionFactory topicFactory; private Topic topic; /** * constructor that initializes the topic related resources */ public TopicSender(TopicConnectionFactory topicFactory, Topic topic) { this.topicFactory = topicFactory; this.topic = topic; } /** * Helper method that can be uses to send string message to the topic * @param xmlMessage a String that represents the text message to be sent * @throws <Code>JMSException</Code> on failure to send */ public void sendMessage(String xmlMessage) throws JMSException { TopicConnection topicConnect = null; TopicSession pubSession = null; TopicPublisher topicPublisher = null; try { topicConnect = topicFactory.createTopicConnection(); pubSession = topicConnect.createTopicSession(false, Session.AUTO_ACKNOWLEDGE); topicPublisher = pubSession.createPublisher(topic); //topicConnect.start(); TextMessage jmsMsg = pubSession.createTextMessage(); jmsMsg.setText(xmlMessage); topicPublisher.publish(jmsMsg); } finally { if( topicConnect != null ) topicConnect.close(); } return; } }
TopicSender.java |