Clients/Java/SwingResolveListener.java

   1 /*
   2  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24
  25     Change History (most recent first):
  26
  27 $Log: SwingResolveListener.java,v $
  28 Revision 1.2  2004/06/14 23:46:55  cheshire
  29 Recreate CVS state
  30
  31 Revision 1.1  2004/06/14 23:46:26  cheshire
  32 First checkin
  33
  34  */
  35
  36
  37 import javax.swing.*;
  38 import com.apple.dnssd.*;
  39
  40
  41 /**     Use this to schedule ResolveListener callbacks via SwingUtilities.invokeAndWait(). */
  42
  43 public class SwingResolveListener implements Runnable, ResolveListener
  44 {
  45         /** Create a listener for DNSSD that will call your listener on the Swing/AWT event thread. */
  46         public  SwingResolveListener( ResolveListener listener)
  47         { fListener = listener; }
  48
  49         public void     operationFailed( DNSSDService service, int errorCode)
  50         {
  51                 fResolver = service;
  52                 fErrorCode = errorCode;
  53                 this.schedule();
  54         }
  55
  56         /** (Clients should not call this method directly.) */
  57         public void     serviceResolved( DNSSDService resolver, int flags, int ifIndex, String fullName,
  58                                                                 String hostName, int port, TXTRecord txtRecord)
  59         {
  60                 fResolver = resolver;
  61                 fFlags = flags;
  62                 fIndex = ifIndex;
  63                 fFullName = fullName;
  64                 fHostName = hostName;
  65                 fPort = port;
  66                 fTXTRecord = txtRecord;
  67                 this.schedule();
  68         }
  69
  70         /** (Clients should not call this method directly.) */
  71         public void             run()
  72         {
  73                 if ( fErrorCode != 0)
  74                         fListener.operationFailed( fResolver, fErrorCode);
  75                 else
  76                         fListener.serviceResolved( fResolver, fFlags, fIndex, fFullName, fHostName, fPort, fTXTRecord);
  77         }
  78
  79         protected void  schedule()
  80         {
  81                 try {
  82                         SwingUtilities.invokeAndWait( this);
  83                 }
  84                 catch ( Exception e)
  85                 {
  86                         e.printStackTrace();
  87                 }
  88         }
  89
  90         protected ResolveListener       fListener;
  91
  92         protected DNSSDService          fResolver;
  93         protected int                           fFlags;
  94         protected int                           fIndex;
  95         protected int                           fErrorCode;
  96         protected String                        fFullName;
  97         protected String                        fHostName;
  98         protected int                           fPort;
  99         protected TXTRecord                     fTXTRecord;
 100 }
 101