?? topichelper.java
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/* * 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.opc.webservice.invoicercvr;import javax.jms.*;/** * A helper class which takes care of sending a JMS message to a topic */public class TopicHelper { private Topic topic; private TopicConnectionFactory topicFactory; /** * * @param qFactory is the connection factory used to get a connection * @param q is the Queue to send the message to */ public TopicHelper(TopicConnectionFactory topicFactory, Topic topic) { this.topicFactory = topicFactory; this.topic = topic; return; } /** * Helper method that can be uses to send string message to the topic * @param xmlMessage the text message to be sent * @throws <Code>JMSException</Code> on failure to send */ public void sendMessage(String xmlMessage) throws JMSException { TopicConnection connection = null; try { connection = topicFactory.createTopicConnection(); TopicSession session = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE); TopicPublisher publisher = session.createPublisher(topic); connection.start(); TextMessage message = session.createTextMessage(); message.setText(xmlMessage); publisher.publish(message); } finally { try { if(connection != null) { connection.close(); } } catch(Exception exception) { exception.printStackTrace(System.err); } } return; }}
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