Package org.jboss.jms.wireformat

Source Code of org.jboss.jms.wireformat.SerializedPacket

/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.jms.wireformat;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import org.jboss.remoting.loading.ObjectInputStreamWithClassLoader;


/**
* For carrying a remoting non JBM invocation across the wire. Also used for internal invocation
* request return values e.g. PONG. This would be used for pings, disconnect, addlistener,
* removelistener etc.
*
* @author <a href="mailto:tim.fox@jboss.com">Tim Fox</a>
* @version <tt>$Revision: 5366 $</tt>
*
* $Id: SerializedPacket.java 5366 2008-11-14 21:46:28Z clebert.suconic@jboss.com $
*/
public class SerializedPacket extends PacketSupport
{
   // Constants ------------------------------------------------------------------------------------

   // Static ---------------------------------------------------------------------------------------

   // Attributes -----------------------------------------------------------------------------------

   private Object payload;

   // Constructors ---------------------------------------------------------------------------------

   public SerializedPacket()
   {
   }

   public SerializedPacket(Object payload)
   {
      super(PacketSupport.SERIALIZED);
      this.payload = payload;
   }

   // Streamable implementation --------------------------------------------------------------------

   public void read(DataInputStream is) throws Exception
   {
      // need to use the thread context class loader, otherwise deserialization of various
      // remoting and messaging things will fail in a scoped domain
      ObjectInputStream ois =
         new ObjectInputStreamWithClassLoader(is, SecurityActions.getTCL());

      payload = ois.readObject();
   }

   public void write(DataOutputStream os) throws Exception
   {
      super.write(os);

      ObjectOutputStream oos = new ObjectOutputStream(os);
      oos.writeObject(payload);
      os.flush();
   }

   // PacketSupport overrides ----------------------------------------------------------------------

   public Object getPayload()
   {
      return payload;
   }

   // Public ---------------------------------------------------------------------------------------

   public String toString()
   {
      return "SerializedPacket[" + payload + "]";
   }

   // Package protected ----------------------------------------------------------------------------

   // Protected ------------------------------------------------------------------------------------

   // Private --------------------------------------------------------------------------------------

   // Inner classes --------------------------------------------------------------------------------

}
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