01: /* ====================================================================
02: The Jicarilla Software License
03:
04: Copyright (c) 2003 Leo Simons.
05: All rights reserved.
06:
07: Permission is hereby granted, free of charge, to any person obtaining
08: a copy of this software and associated documentation files (the
09: "Software"), to deal in the Software without restriction, including
10: without limitation the rights to use, copy, modify, merge, publish,
11: distribute, sublicense, and/or sell copies of the Software, and to
12: permit persons to whom the Software is furnished to do so, subject to
13: the following conditions:
14:
15: The above copyright notice and this permission notice shall be
16: included in all copies or substantial portions of the Software.
17:
18: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19: EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20: MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21: IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
22: CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23: TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24: SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25: ==================================================================== */
26: package org.jicarilla.lang;
27:
28: /**
29: * <p>An exception listener which does nothing. It is useful when classes that
30: * send messages to exception listeners do not support <code>null</code> as
31: * an argument for the exception listener. For example, with the following
32: * code:</p>
33: *
34: * <pre>
35: * class MyComponent
36: * {
37: * public MyComponent( ExceptionListener listener )
38: * {
39: * assertNotNull( listener );
40: * }
41: * }
42: * </pre>
43: *
44: * <p>Here, you can still disable 'actual' exception listening:</p>
45: *
46: * <pre>
47: * new MyComponent( new NoopExceptionListener() );
48: * </pre>
49: *
50: * @author <a href="lsimons at jicarilla dot org">Leo Simons</a>
51: * @version $Id: NoopExceptionListener.java,v 1.2 2003/10/07 19:17:53 lsimons
52: * Exp $
53: */
54: public class NoopExceptionListener implements ExceptionListener {
55: /**
56: * Doesn't do anything.
57: *
58: * @param t an exception to ignore
59: */
60: public void exceptionOccurred(final Throwable t) {
61: }
62: }
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