Clients/Java/SwingResolveListener.java

   1 /*
   2  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.
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   8  * please do not use, install, modify or redistribute this Apple software.
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  10  * In consideration of your agreement to abide by the following terms, and subject
  11  * to these terms, Apple grants you a personal, non-exclusive license, under Apple's
  12  * copyrights in this original Apple software (the "Apple Software"), to use,
  13  * reproduce, modify and redistribute the Apple Software, with or without
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  15  * the Apple Software in its entirety and without modifications, you must retain
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  17  * the Apple Software.  Neither the name, trademarks, service marks or logos of
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  19  * Apple Software without specific prior written permission from Apple.  Except as
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  25  * The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO
  26  * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
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  39
  40
  41 import javax.swing.*;
  42 import com.apple.dnssd.*;
  43
  44
  45 /**     Use this to schedule ResolveListener callbacks via SwingUtilities.invokeAndWait(). */
  46
  47 public class SwingResolveListener implements Runnable, ResolveListener
  48 {
  49         /** Create a listener for DNSSD that will call your listener on the Swing/AWT event thread. */
  50         public  SwingResolveListener( ResolveListener listener)
  51         { fListener = listener; }
  52
  53         public void     operationFailed( DNSSDService service, int errorCode)
  54         {
  55                 fResolver = service;
  56                 fErrorCode = errorCode;
  57                 this.schedule();
  58         }
  59
  60         /** (Clients should not call this method directly.) */
  61         public void     serviceResolved( DNSSDService resolver, int flags, int ifIndex, String fullName,
  62                                                                 String hostName, int port, TXTRecord txtRecord)
  63         {
  64                 fResolver = resolver;
  65                 fFlags = flags;
  66                 fIndex = ifIndex;
  67                 fFullName = fullName;
  68                 fHostName = hostName;
  69                 fPort = port;
  70                 fTXTRecord = txtRecord;
  71                 this.schedule();
  72         }
  73
  74         /** (Clients should not call this method directly.) */
  75         public void             run()
  76         {
  77                 if ( fErrorCode != 0)
  78                         fListener.operationFailed( fResolver, fErrorCode);
  79                 else
  80                         fListener.serviceResolved( fResolver, fFlags, fIndex, fFullName, fHostName, fPort, fTXTRecord);
  81         }
  82
  83         protected void  schedule()
  84         {
  85                 try {
  86                         SwingUtilities.invokeAndWait( this);
  87                 }
  88                 catch ( Exception e)
  89                 {
  90                         e.printStackTrace();
  91                 }
  92         }
  93
  94         protected ResolveListener       fListener;
  95
  96         protected DNSSDService          fResolver;
  97         protected int                           fFlags;
  98         protected int                           fIndex;
  99         protected int                           fErrorCode;
 100         protected String                        fFullName;
 101         protected String                        fHostName;
 102         protected int                           fPort;
 103         protected TXTRecord                     fTXTRecord;
 104 }
 105