Clients/Java/SwingBrowseListener.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: SwingBrowseListener.java,v $
  28 Revision 1.2  2004/04/30 21:53:35  rpantos
  29 Change line endings for CVS.
  30
  31 Revision 1.1  2004/04/30 16:29:35  rpantos
  32 First checked in.
  33
  34  */
  35
  36
  37 import javax.swing.*;
  38 import com.apple.dnssd.*;
  39
  40
  41 /**     Use this to schedule BrowseListener callbacks via SwingUtilities.invokeAndWait(). */
  42
  43 public class SwingBrowseListener implements Runnable, BrowseListener
  44 {
  45         /** Create a listener for DNSSD that will call your listener on the Swing/AWT event thread. */
  46         public  SwingBrowseListener( BrowseListener listener)
  47         { fListener = listener; fErrorCode = 0; }
  48
  49         /** (Clients should not call this method directly.) */
  50         public void     operationFailed( DNSSDService service, int errorCode)
  51         {
  52                 fBrowser = service;
  53                 fErrorCode = errorCode;
  54                 this.schedule();
  55         }
  56
  57         /** (Clients should not call this method directly.) */
  58         public void     serviceFound( DNSSDService browser, int flags, int ifIndex,
  59                                                         String serviceName, String regType, String domain)
  60
  61         {
  62                 fBrowser = browser;
  63                 fIsAdd = true;
  64                 fFlags = flags;
  65                 fIndex = ifIndex;
  66                 fService = serviceName;
  67                 fRegType = regType;
  68                 fDomain = domain;
  69                 this.schedule();
  70         }
  71
  72         /** (Clients should not call this method directly.) */
  73         public void     serviceLost( DNSSDService browser, int flags, int ifIndex,
  74                                                         String serviceName, String regType, String domain)
  75         {
  76                 fBrowser = browser;
  77                 fIsAdd = false;
  78                 fFlags = flags;
  79                 fIndex = ifIndex;
  80                 fService = serviceName;
  81                 fRegType = regType;
  82                 fDomain = domain;
  83                 this.schedule();
  84         }
  85
  86         /** (Clients should not call this method directly.) */
  87         public void             run()
  88         {
  89                 if ( fErrorCode != 0)
  90                         fListener.operationFailed( fBrowser, fErrorCode);
  91                 else if ( fIsAdd)
  92                         fListener.serviceFound( fBrowser, fFlags, fIndex, fService, fRegType, fDomain);
  93                 else
  94                         fListener.serviceLost( fBrowser, fFlags, fIndex, fService, fRegType, fDomain);
  95         }
  96
  97         protected void  schedule()
  98         {
  99                 try {
 100                         SwingUtilities.invokeAndWait( this);
 101                 }
 102                 catch ( Exception e)
 103                 {
 104                         e.printStackTrace();
 105                 }
 106         }
 107
 108         protected BrowseListener        fListener;
 109
 110         protected boolean                       fIsAdd;
 111         protected DNSSDService          fBrowser;
 112         protected int                           fFlags;
 113         protected int                           fIndex;
 114         protected int                           fErrorCode;
 115         protected String                        fService;
 116         protected String                        fRegType;
 117         protected String                        fDomain;
 118 }
 119