/*
 * Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *   Free SoftwareFoundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package javax.jms;

/**
 * The main destination.
 */
public class TopicRequestor {
  private TopicSession _session;
  private Topic _topic;
  private TopicPublisher _sender;
  
  public TopicRequestor(TopicSession session, Topic topic)
    throws JMSException
  {
    _session = session;
    _topic = topic;
    _sender = _session.createPublisher(topic);
  }

  public Message request(Message message)
    throws JMSException
  {
    TemporaryTopic tempTopic = _session.createTemporaryTopic();

    try {
      message.setJMSReplyTo(tempTopic);

      _sender.publish(message);

      TopicSubscriber receiver = _session.createSubscriber(tempTopic);

      try {
        return receiver.receive();
      } finally {
        receiver.close();
      }
    } finally {
      tempTopic.delete();
    }
  }

  public void close()
    throws JMSException
  {
    _sender.close();
    _session.close();
  }
}