Clients/Java/SwingBrowseListener.java

   1 /* -*- Mode: Java; tab-width: 4 -*-
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  40
  41
  42 import javax.swing.*;
  43 import com.apple.dnssd.*;
  44
  45
  46 /**     Use this to schedule BrowseListener callbacks via SwingUtilities.invokeAndWait(). */
  47
  48 public class SwingBrowseListener implements Runnable, BrowseListener
  49 {
  50         /** Create a listener for DNSSD that will call your listener on the Swing/AWT event thread. */
  51         public  SwingBrowseListener( BrowseListener listener)
  52         { fListener = listener; fErrorCode = 0; }
  53
  54         /** (Clients should not call this method directly.) */
  55         public void     operationFailed( DNSSDService service, int errorCode)
  56         {
  57                 fBrowser = service;
  58                 fErrorCode = errorCode;
  59                 this.schedule();
  60         }
  61
  62         /** (Clients should not call this method directly.) */
  63         public void     serviceFound( DNSSDService browser, int flags, int ifIndex,
  64                                                         String serviceName, String regType, String domain)
  65
  66         {
  67                 fBrowser = browser;
  68                 fIsAdd = true;
  69                 fFlags = flags;
  70                 fIndex = ifIndex;
  71                 fService = serviceName;
  72                 fRegType = regType;
  73                 fDomain = domain;
  74                 this.schedule();
  75         }
  76
  77         /** (Clients should not call this method directly.) */
  78         public void     serviceLost( DNSSDService browser, int flags, int ifIndex,
  79                                                         String serviceName, String regType, String domain)
  80         {
  81                 fBrowser = browser;
  82                 fIsAdd = false;
  83                 fFlags = flags;
  84                 fIndex = ifIndex;
  85                 fService = serviceName;
  86                 fRegType = regType;
  87                 fDomain = domain;
  88                 this.schedule();
  89         }
  90
  91         /** (Clients should not call this method directly.) */
  92         public void             run()
  93         {
  94                 if ( fErrorCode != 0)
  95                         fListener.operationFailed( fBrowser, fErrorCode);
  96                 else if ( fIsAdd)
  97                         fListener.serviceFound( fBrowser, fFlags, fIndex, fService, fRegType, fDomain);
  98                 else
  99                         fListener.serviceLost( fBrowser, fFlags, fIndex, fService, fRegType, fDomain);
 100         }
 101
 102         protected void  schedule()
 103         {
 104                 try {
 105                         SwingUtilities.invokeAndWait( this);
 106                 }
 107                 catch ( Exception e)
 108                 {
 109                         e.printStackTrace();
 110                 }
 111         }
 112
 113         protected BrowseListener        fListener;
 114
 115         protected boolean                       fIsAdd;
 116         protected DNSSDService          fBrowser;
 117         protected int                           fFlags;
 118         protected int                           fIndex;
 119         protected int                           fErrorCode;
 120         protected String                        fService;
 121         protected String                        fRegType;
 122         protected String                        fDomain;
 123 }
 124