mDNSResponder-66.3.tar.gz

[apple/mdnsresponder.git] / Clients / Java / SwingQueryListener.java

diff --git a/Clients/Java/SwingQueryListener.java b/Clients/Java/SwingQueryListener.java
new file mode 100644 (file)
index 0000000..4b58e67
--- /dev/null
+++ b/Clients/Java/SwingQueryListener.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+
+    Change History (most recent first):
+
+$Log: SwingQueryListener.java,v $
+Revision 1.2  2004/04/30 21:53:35  rpantos
+Change line endings for CVS.
+
+Revision 1.1  2004/04/30 16:29:35  rpantos
+First checked in.
+
+ */
+
+
+import javax.swing.*;
+import com.apple.dnssd.*;
+
+
+/**    Use this to schedule QueryListener callbacks via SwingUtilities.invokeAndWait(). */
+
+public class SwingQueryListener implements Runnable, QueryListener
+{
+       /** Create a listener for DNSSD that will call your listener on the Swing/AWT event thread. */
+       public  SwingQueryListener( QueryListener listener)
+       { fListener = listener; }
+
+       public void     operationFailed( DNSSDService service, int errorCode)
+       {
+               fQuery = service;
+               fErrorCode = errorCode;
+               this.schedule();
+       }
+
+       /** (Clients should not call this method directly.) */
+       public void     queryAnswered( DNSSDService query, int flags, int ifIndex, String fullName, 
+                                                               int rrtype, int rrclass, byte[] rdata, int ttl)
+       {
+               fQuery = query;
+               fFlags = flags;
+               fIndex = ifIndex;
+               fFullName = fullName;
+               fType = rrtype;
+               fClass = rrclass;
+               fData = rdata;
+               fTTL = ttl;
+               this.schedule();
+       }
+
+       /** (Clients should not call this method directly.) */
+       public void             run()
+       {
+               if ( fErrorCode != 0)
+                       fListener.operationFailed( fQuery, fErrorCode);
+               else
+                       fListener.queryAnswered( fQuery, fFlags, fIndex, fFullName, fType, fClass, fData, fTTL);
+       }
+
+       protected void  schedule()
+       {
+               try {
+                       SwingUtilities.invokeAndWait( this);
+               }
+               catch ( Exception e)
+               {
+                       e.printStackTrace();
+               }
+       }
+
+       protected QueryListener         fListener;
+
+       protected DNSSDService          fQuery;
+       protected int                           fFlags;
+       protected int                           fIndex;
+       protected int                           fErrorCode;
+       protected String                        fFullName;
+       protected int                           fType;
+       protected int                           fClass;
+       protected byte[]                        fData;
+       protected int                           fTTL;
+}
+