01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.amber.type;
31:
32: import java.lang.reflect.*;
33:
34: import com.caucho.amber.*;
35:
36: /**
37: * A listener callback
38: */
39: public class ListenerCallback {
40: private final Object _listener;
41: private final Method _method;
42:
43: public ListenerCallback(Object listener, Method method) {
44: _listener = listener;
45: _method = method;
46:
47: method.setAccessible(true);
48: }
49:
50: public void invoke(Object entity) {
51: try {
52: _method.invoke(_listener, entity);
53: } catch (RuntimeException e) {
54: throw e;
55: } catch (InvocationTargetException e) {
56: if (e.getCause() instanceof RuntimeException)
57: throw (RuntimeException) e.getCause();
58: else
59: throw new AmberRuntimeException(e.getCause());
60: } catch (Exception e) {
61: throw new AmberRuntimeException(e.getCause());
62: }
63: }
64: }
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