/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001, 2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions 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.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Axis" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
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 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package org.jboss.axis.transport.jms;

import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageListener;
import javax.jms.Session;
import java.util.HashMap;

/**
 * JMSEndpoint encapsulates interactions w/ a JMS destination.
 *
 * @author Jaime Meritt  (jmeritt@sonicsoftware.com)
 * @author Richard Chung (rchung@sonicsoftware.com)
 * @author Dave Chappell (chappell@sonicsoftware.com)
 */
public abstract class JMSEndpoint
{
   private JMSConnector m_connector;

   protected JMSEndpoint(JMSConnector connector)
   {
      m_connector = connector;
   }

   abstract Destination getDestination(Session session)
           throws Exception;

   /**
    * Send a message and wait for a response.
    *
    * @param message
    * @param timeout
    * @return
    * @throws JMSException
    */
   public byte[] call(byte[] message, long timeout) throws Exception
   {
      return m_connector.getSendConnection().call(this, message, timeout, null);
   }

   /**
    * Send a message and wait for a response.
    *
    * @param message
    * @param timeout
    * @param properties
    * @return
    * @throws JMSException
    */
   public byte[] call(byte[] message, long timeout, HashMap properties)
           throws Exception
   {
      if (properties != null)
         properties = (HashMap)properties.clone();
      return m_connector.getSendConnection().call(this, message, timeout, properties);
   }

   /**
    * Send a message w/o waiting for a response.
    *
    * @param message
    * @throws JMSException
    */
   public void send(byte[] message) throws Exception
   {
      m_connector.getSendConnection().send(this, message, null);
   }

   /**
    * Send a message w/o waiting for a response.
    *
    * @param message
    * @param properties
    * @throws JMSException
    */
   public void send(byte[] message, HashMap properties)
           throws Exception
   {
      if (properties != null)
         properties = (HashMap)properties.clone();
      m_connector.getSendConnection().send(this, message, properties);
   }

   /**
    * Register a MessageListener.
    *
    * @param listener
    * @throws JMSException
    */
   public void registerListener(MessageListener listener)
           throws Exception
   {
      m_connector.getReceiveConnection().subscribe(createSubscription(listener, null));
   }

   /**
    * Register a MessageListener.
    *
    * @param listener
    * @param properties
    * @throws JMSException
    */
   public void registerListener(MessageListener listener, HashMap properties)
           throws Exception
   {
      if (properties != null)
         properties = (HashMap)properties.clone();
      m_connector.getReceiveConnection().subscribe(createSubscription(listener, properties));
   }

   /**
    * Unregister a message listener.
    *
    * @param listener
    */
   public void unregisterListener(MessageListener listener)
   {
      m_connector.getReceiveConnection().unsubscribe(createSubscription(listener, null));
   }

   /**
    * Unregister a message listener.
    *
    * @param listener
    * @param properties
    */
   public void unregisterListener(MessageListener listener, HashMap properties)
   {
      if (properties != null)
         properties = (HashMap)properties.clone();
      m_connector.getReceiveConnection().unsubscribe(createSubscription(listener, properties));
   }

   protected Subscription createSubscription(MessageListener listener,
                                             HashMap properties)
   {
      return new Subscription(listener, this, properties);
   }

   public int hashCode()
   {
      return toString().hashCode();
   }

   public boolean equals(Object object)
   {
      if (object == null || !(object instanceof JMSEndpoint))
         return false;
      return true;
   }
}