/* * 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;  }}