01 /*
02 * Copyright 1996-1999 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package java.util;
27
28 /**
29 * <p>
30 * The <code> TooManyListenersException </code> Exception is used as part of
31 * the Java Event model to annotate and implement a unicast special case of
32 * a multicast Event Source.
33 * </p>
34 * <p>
35 * The presence of a "throws TooManyListenersException" clause on any given
36 * concrete implementation of the normally multicast "void addXyzEventListener"
37 * event listener registration pattern is used to annotate that interface as
38 * implementing a unicast Listener special case, that is, that one and only
39 * one Listener may be registered on the particular event listener source
40 * concurrently.
41 * </p>
42 *
43 * @see java.util.EventObject
44 * @see java.util.EventListener
45 *
46 * @version 1.20 07/05/05
47 * @author Laurence P. G. Cable
48 * @since JDK1.1
49 */
50
51 public class TooManyListenersException extends Exception {
52
53 /**
54 * Constructs a TooManyListenersException with no detail message.
55 * A detail message is a String that describes this particular exception.
56 */
57
58 public TooManyListenersException() {
59 super ();
60 }
61
62 /**
63 * Constructs a TooManyListenersException with the specified detail message.
64 * A detail message is a String that describes this particular exception.
65 * @param s the detail message
66 */
67
68 public TooManyListenersException(String s) {
69 super(s);
70 }
71 }
|