Clients/Java/SwingBrowseListener.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
  16  * this notice and the following text and disclaimers in all such redistributions of
  17  * the Apple Software.  Neither the name, trademarks, service marks or logos of
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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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  34  * ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
  35  * OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
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  38  */
  39
  40
  41 import javax.swing.*;
  42 import com.apple.dnssd.*;
  43
  44
  45 /**     Use this to schedule BrowseListener callbacks via SwingUtilities.invokeAndWait(). */
  46
  47 public class SwingBrowseListener implements Runnable, BrowseListener
  48 {
  49         /** Create a listener for DNSSD that will call your listener on the Swing/AWT event thread. */
  50         public  SwingBrowseListener( BrowseListener listener)
  51         { fListener = listener; fErrorCode = 0; }
  52
  53         /** (Clients should not call this method directly.) */
  54         public void     operationFailed( DNSSDService service, int errorCode)
  55         {
  56                 fBrowser = service;
  57                 fErrorCode = errorCode;
  58                 this.schedule();
  59         }
  60
  61         /** (Clients should not call this method directly.) */
  62         public void     serviceFound( DNSSDService browser, int flags, int ifIndex,
  63                                                         String serviceName, String regType, String domain)
  64
  65         {
  66                 fBrowser = browser;
  67                 fIsAdd = true;
  68                 fFlags = flags;
  69                 fIndex = ifIndex;
  70                 fService = serviceName;
  71                 fRegType = regType;
  72                 fDomain = domain;
  73                 this.schedule();
  74         }
  75
  76         /** (Clients should not call this method directly.) */
  77         public void     serviceLost( DNSSDService browser, int flags, int ifIndex,
  78                                                         String serviceName, String regType, String domain)
  79         {
  80                 fBrowser = browser;
  81                 fIsAdd = false;
  82                 fFlags = flags;
  83                 fIndex = ifIndex;
  84                 fService = serviceName;
  85                 fRegType = regType;
  86                 fDomain = domain;
  87                 this.schedule();
  88         }
  89
  90         /** (Clients should not call this method directly.) */
  91         public void             run()
  92         {
  93                 if ( fErrorCode != 0)
  94                         fListener.operationFailed( fBrowser, fErrorCode);
  95                 else if ( fIsAdd)
  96                         fListener.serviceFound( fBrowser, fFlags, fIndex, fService, fRegType, fDomain);
  97                 else
  98                         fListener.serviceLost( fBrowser, fFlags, fIndex, fService, fRegType, fDomain);
  99         }
 100
 101         protected void  schedule()
 102         {
 103                 try {
 104                         SwingUtilities.invokeAndWait( this);
 105                 }
 106                 catch ( Exception e)
 107                 {
 108                         e.printStackTrace();
 109                 }
 110         }
 111
 112         protected BrowseListener        fListener;
 113
 114         protected boolean                       fIsAdd;
 115         protected DNSSDService          fBrowser;
 116         protected int                           fFlags;
 117         protected int                           fIndex;
 118         protected int                           fErrorCode;
 119         protected String                        fService;
 120         protected String                        fRegType;
 121         protected String                        fDomain;
 122 }
 123