01: /*
02: * @(#)TooManyListenersException.java 1.17 06/10/10
03: *
04: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: *
26: */
27:
28: package java.util;
29:
30: /**
31: * <p>
32: * The <code> TooManyListenersException </code> Exception is used as part of
33: * the Java Event model to annotate and implement a unicast special case of
34: * a multicast Event Source.
35: * </p>
36: * <p>
37: * The presence of a "throws TooManyListenersException" clause on any given
38: * concrete implementation of the normally multicast "void addXyzEventListener"
39: * event listener registration pattern is used to annotate that interface as
40: * implementing a unicast Listener special case, that is, that one and only
41: * one Listener may be registered on the particular event listener source
42: * concurrently.
43: * </p>
44: *
45: * @see java.util.EventObject
46: * @see java.util.EventListener
47: *
48: * @version 1.10 00/02/02
49: * @author Laurence P. G. Cable
50: * @since JDK1.1
51: */
52:
53: public class TooManyListenersException extends Exception {
54:
55: /**
56: * Constructs a TooManyListenersException with no detail message.
57: * A detail message is a String that describes this particular exception.
58: */
59:
60: public TooManyListenersException() {
61: super ();
62: }
63:
64: /**
65: * Constructs a TooManyListenersException with the specified detail message.
66: * A detail message is a String that describes this particular exception.
67: * @param s the detail message
68: */
69:
70: public TooManyListenersException(String s) {
71: super(s);
72: }
73: }
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