messengerevent.java

JXTA源文件

/************************************************************************
 *
 * $Id: MessengerEvent.java,v 1.5 2006/01/19 23:56:21 bondolo Exp $
 *
 * Copyright (c) 2001 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:
 *
 * 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
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"
 *    must not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * 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
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * 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 Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 *********************************************************************************/

package net.jxta.endpoint;

/**
 *  An event which indicates that a messenger has been successfully created.
 *
 *  <p/>The source is the Message Transport which is providing the messenger.
 *
 *  @see net.jxta.endpoint.MessageTransport
 *  @see net.jxta.endpoint.Messenger
 *  @see net.jxta.endpoint.EndpointService
 */
public class MessengerEvent extends java.util.EventObject {
    
    /**
     *  The newly created messenger.
     **/
    final Messenger messenger;

    /**
     *  The destination address of the messenger.
     **/
    final EndpointAddress connectionAddress;
    
    /** 
     * Creates a new instance of MessengerEvent 
     **/
    public MessengerEvent(Object source, Messenger messenger, EndpointAddress connectionAddress) { 
        super( source );
        
        this.messenger = messenger;
        this.connectionAddress = connectionAddress;
    }
    
    public Messenger getMessenger() {
        return messenger;
    }

    public EndpointAddress getConnectionAddress() {
	return connectionAddress == null ? null : (EndpointAddress) connectionAddress.clone();
    }
    
    /**
     *  {@inheritDoc}
     *
     *  <p/>A simple implementation for debugging. Don't depend upon this format.
     **/
    public String toString( ) {
        return source.toString() + "-->" + messenger.toString() + " (" + connectionAddress + ")";
    }
}