1 /* -*- Mode: Java; tab-width: 4 -*- 2 * 3 * Copyright (c) 2004 Apple Computer, Inc. All rights reserved. 4 * 5 * Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. 6 * ("Apple") in consideration of your agreement to the following terms, and your 7 * use, installation, modification or redistribution of this Apple software 8 * constitutes acceptance of these terms. If you do not agree with these terms, 9 * please do not use, install, modify or redistribute this Apple software. 10 * 11 * In consideration of your agreement to abide by the following terms, and subject 12 * to these terms, Apple grants you a personal, non-exclusive license, under Apple's 13 * copyrights in this original Apple software (the "Apple Software"), to use, 14 * reproduce, modify and redistribute the Apple Software, with or without 15 * modifications, in source and/or binary forms; provided that if you redistribute 16 * the Apple Software in its entirety and without modifications, you must retain 17 * this notice and the following text and disclaimers in all such redistributions of 18 * the Apple Software. Neither the name, trademarks, service marks or logos of 19 * Apple Computer, Inc. may be used to endorse or promote products derived from the 20 * Apple Software without specific prior written permission from Apple. Except as 21 * expressly stated in this notice, no other rights or licenses, express or implied, 22 * are granted by Apple herein, including but not limited to any patent rights that 23 * may be infringed by your derivative works or by other works in which the Apple 24 * Software may be incorporated. 25 * 26 * The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO 27 * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED 28 * WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN 30 * COMBINATION WITH YOUR PRODUCTS. 31 * 32 * IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 34 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION 36 * OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT 37 * (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN 38 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 40 ident "%Z%%M% %I% %E% SMI" 41 42 */ 43 44 45 import javax.swing.*; 46 import com.apple.dnssd.*; 47 48 49 /** Use this to schedule DomainListener callbacks via SwingUtilities.invokeAndWait(). */ 50 51 public class SwingDomainListener implements Runnable, DomainListener 52 { 53 /** Create a listener for DNSSD that will call your listener on the Swing/AWT event thread. */ SwingDomainListener( DomainListener listener)54 public SwingDomainListener( DomainListener listener) 55 { fListener = listener; fErrorCode = 0; } 56 57 /** (Clients should not call this method directly.) */ operationFailed( DNSSDService service, int errorCode)58 public void operationFailed( DNSSDService service, int errorCode) 59 { 60 fEnumerator = service; 61 fErrorCode = errorCode; 62 this.schedule(); 63 } 64 65 /** (Clients should not call this method directly.) */ domainFound( DNSSDService domainEnum, int flags, int ifIndex, String domain)66 public void domainFound( DNSSDService domainEnum, int flags, int ifIndex, String domain) 67 68 { 69 fEnumerator = domainEnum; 70 fIsAdd = true; 71 fFlags = flags; 72 fIndex = ifIndex; 73 fDomain = domain; 74 this.schedule(); 75 } 76 77 /** (Clients should not call this method directly.) */ domainLost( DNSSDService domainEnum, int flags, int ifIndex, String domain)78 public void domainLost( DNSSDService domainEnum, int flags, int ifIndex, String domain) 79 { 80 fEnumerator = domainEnum; 81 fIsAdd = false; 82 fFlags = flags; 83 fIndex = ifIndex; 84 fDomain = domain; 85 this.schedule(); 86 } 87 88 /** (Clients should not call this method directly.) */ run()89 public void run() 90 { 91 if ( fErrorCode != 0) 92 fListener.operationFailed( fEnumerator, fErrorCode); 93 else if ( fIsAdd) 94 fListener.domainFound( fEnumerator, fFlags, fIndex, fDomain); 95 else 96 fListener.domainLost( fEnumerator, fFlags, fIndex, fDomain); 97 } 98 schedule()99 protected void schedule() 100 { 101 try { 102 SwingUtilities.invokeAndWait( this); 103 } 104 catch ( Exception e) 105 { 106 e.printStackTrace(); 107 } 108 } 109 110 protected DomainListener fListener; 111 112 protected boolean fIsAdd; 113 protected DNSSDService fEnumerator; 114 protected int fFlags; 115 protected int fIndex; 116 protected int fErrorCode; 117 protected String fDomain; 118 } 119 120