content: /* -*- Mode: Java; tab-width: 4 -*-
   *
   * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
   *
   * Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.
   * ("Apple") in consideration of your agreement to the following terms, and your
   * use, installation, modification or redistribution of this Apple software
   * constitutes acceptance of these terms.  If you do not agree with these terms,
   * please do not use, install, modify or redistribute this Apple software.
   *
   * In consideration of your agreement to abide by the following terms, and subject
   * to these terms, Apple grants you a personal, non-exclusive license, under Apple's
   * copyrights in this original Apple software (the "Apple Software"), to use,
   * reproduce, modify and redistribute the Apple Software, with or without
   * modifications, in source and/or binary forms; provided that if you redistribute
   * the Apple Software in its entirety and without modifications, you must retain
   * this notice and the following text and disclaimers in all such redistributions of
   * the Apple Software.  Neither the name, trademarks, service marks or logos of
   * Apple Computer, Inc. may be used to endorse or promote products derived from the
   * Apple Software without specific prior written permission from Apple.  Except as
   * expressly stated in this notice, no other rights or licenses, express or implied,
   * are granted by Apple herein, including but not limited to any patent rights that
   * may be infringed by your derivative works or by other works in which the Apple
   * Software may be incorporated.
   *
   * The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO
   * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
   * WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
   * COMBINATION WITH YOUR PRODUCTS.
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   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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   * OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
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   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  
  import javax.swing.*;
  import com.apple.dnssd.*;
  
  
  /**	Use this to schedule BrowseListener callbacks via SwingUtilities.invokeAndWait(). */
  
  public class SwingBrowseListener implements Runnable, BrowseListener
  {
  	/** Create a listener for DNSSD that will call your listener on the Swing/AWT event thread. */
  	public	SwingBrowseListener( BrowseListener listener)
  	{ fListener = listener; fErrorCode = 0; }
  
  	/** (Clients should not call this method directly.) */
  	public void	operationFailed( DNSSDService service, int errorCode)
  	{
  		fBrowser = service;
  		fErrorCode = errorCode;
  		this.schedule();
  	}
  
  	/** (Clients should not call this method directly.) */
  	public void	serviceFound( DNSSDService browser, int flags, int ifIndex, 
  							String serviceName, String regType, String domain)
  
  	{
  		fBrowser = browser;
  		fIsAdd = true;
  		fFlags = flags;
  		fIndex = ifIndex;
  		fService = serviceName;
  		fRegType = regType;
  		fDomain = domain;
  		this.schedule();
  	}
  
  	/** (Clients should not call this method directly.) */
  	public void	serviceLost( DNSSDService browser, int flags, int ifIndex,
  							String serviceName, String regType, String domain)
  	{
  		fBrowser = browser;
  		fIsAdd = false;
  		fFlags = flags;
  		fIndex = ifIndex;
  		fService = serviceName;
  		fRegType = regType;
  		fDomain = domain;
  		this.schedule();
  	}
  
  	/** (Clients should not call this method directly.) */
  	public void		run()
  	{
  		if ( fErrorCode != 0)
  			fListener.operationFailed( fBrowser, fErrorCode);
  		else if ( fIsAdd)
  			fListener.serviceFound( fBrowser, fFlags, fIndex, fService, fRegType, fDomain);
  		else
  			fListener.serviceLost( fBrowser, fFlags, fIndex, fService, fRegType, fDomain);
  	}
  
  	protected void	schedule()
  	{		
  		try {
  			SwingUtilities.invokeAndWait( this);
  		}
  		catch ( Exception e)
  		{
  			e.printStackTrace();
  		}
  	}
  
  	protected BrowseListener	fListener;
  
  	protected boolean			fIsAdd;
  	protected DNSSDService		fBrowser;
  	protected int				fFlags;
  	protected int				fIndex;
  	protected int				fErrorCode;
  	protected String			fService;
  	protected String			fRegType;
  	protected String			fDomain;
  }
  
  