/*
 * 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",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * 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
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * 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 org.jboss.axis.AxisFault;
import org.jboss.axis.Message;
import org.jboss.axis.MessageContext;
import org.jboss.axis.server.AxisServer;
import org.jboss.axis.utils.Messages;
import org.jboss.logging.Logger;

import javax.jms.BytesMessage;
import javax.jms.Destination;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;

/**
 * SimpleJMSWorker is a worker thread that processes messages that are
 *   received by SimpleJMSListener. It creates a new message context, invokes
 *   the server, and sends back response msg to the replyTo destination.
 *
 * @author Jaime Meritt  (jmeritt@sonicsoftware.com)
 * @author Richard Chung (rchung@sonicsoftware.com)
 * @author Dave Chappell (chappell@sonicsoftware.com)
 */
public class SimpleJMSWorker implements Runnable
{
   protected static Logger log = Logger.getLogger(SimpleJMSWorker.class);

   SimpleJMSListener listener;
   BytesMessage message;

   public SimpleJMSWorker(SimpleJMSListener listener, BytesMessage message)
   {
      this.listener = listener;
      this.message = message;
   }

   /**
    * This is where the incoming message is processed.
    */
   public void run()
   {
      InputStream in = null;
      try
      {
         // get the incoming msg content into a byte array
         byte[] buffer = new byte[8 * 1024];
         ByteArrayOutputStream out = new ByteArrayOutputStream();
         for (int bytesRead = message.readBytes(buffer);
              bytesRead != -1; bytesRead = message.readBytes(buffer))
         {
            out.write(buffer, 0, bytesRead);
         }
         in = new ByteArrayInputStream(out.toByteArray());
      }
      catch (Exception e)
      {
         log.error(Messages.getMessage("exception00"), e);
         e.printStackTrace();
         return;
      }

      // create the msg and context and invoke the server
      AxisServer server = listener.getAxisServer();
      Message msg = new Message(in);
      MessageContext msgContext = new MessageContext(server);
      msgContext.setRequestMessage(msg);
      try
      {
         server.invoke(msgContext);
         msg = msgContext.getResponseMessage();
      }
      catch (AxisFault af)
      {
         msg = new Message(af);
         msg.setMessageContext(msgContext);
      }
      catch (Exception e)
      {
         msg = new Message(new AxisFault(e.toString()));
         msg.setMessageContext(msgContext);
      }

      try
      {
         // now we need to send the response
         Destination destination = message.getJMSReplyTo();
         if (destination == null)
            return;
         JMSEndpoint replyTo = listener.getConnector().createEndpoint(destination);
         ByteArrayOutputStream out = new ByteArrayOutputStream();
         msg.writeTo(out);
         replyTo.send(out.toByteArray());
      }
      catch (Exception e)
      {
         e.printStackTrace();
      }

      if (msgContext.getProperty(msgContext.QUIT_REQUESTED) != null)
      // why then, quit!
         try
         {
            listener.shutdown();
         }
         catch (Exception e)
         {
         }
   }
}