Clients/Java/SwingResolveListener.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 ResolveListener callbacks via SwingUtilities.invokeAndWait(). */
  47
  48 public class SwingResolveListener implements Runnable, ResolveListener
  49 {
  50         /** Create a listener for DNSSD that will call your listener on the Swing/AWT event thread. */
  51         public  SwingResolveListener( ResolveListener listener)
  52         { fListener = listener; }
  53
  54         public void     operationFailed( DNSSDService service, int errorCode)
  55         {
  56                 fResolver = service;
  57                 fErrorCode = errorCode;
  58                 this.schedule();
  59         }
  60
  61         /** (Clients should not call this method directly.) */
  62         public void     serviceResolved( DNSSDService resolver, int flags, int ifIndex, String fullName,
  63                                                                 String hostName, int port, TXTRecord txtRecord)
  64         {
  65                 fResolver = resolver;
  66                 fFlags = flags;
  67                 fIndex = ifIndex;
  68                 fFullName = fullName;
  69                 fHostName = hostName;
  70                 fPort = port;
  71                 fTXTRecord = txtRecord;
  72                 this.schedule();
  73         }
  74
  75         /** (Clients should not call this method directly.) */
  76         public void             run()
  77         {
  78                 if ( fErrorCode != 0)
  79                         fListener.operationFailed( fResolver, fErrorCode);
  80                 else
  81                         fListener.serviceResolved( fResolver, fFlags, fIndex, fFullName, fHostName, fPort, fTXTRecord);
  82         }
  83
  84         protected void  schedule()
  85         {
  86                 try {
  87                         SwingUtilities.invokeAndWait( this);
  88                 }
  89                 catch ( Exception e)
  90                 {
  91                         e.printStackTrace();
  92                 }
  93         }
  94
  95         protected ResolveListener       fListener;
  96
  97         protected DNSSDService          fResolver;
  98         protected int                           fFlags;
  99         protected int                           fIndex;
 100         protected int                           fErrorCode;
 101         protected String                        fFullName;
 102         protected String                        fHostName;
 103         protected int                           fPort;
 104         protected TXTRecord                     fTXTRecord;
 105 }
 106