1 /*
2 * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
3 * the spring framework, http://el4j.sf.net
4 * Copyright (C) 2008 by ELCA Informatique SA, Av. de la Harpe 22-24,
5 * 1000 Lausanne, Switzerland, http://www.elca.ch
6 *
7 * EL4J is published under the GNU Lesser General Public License (LGPL)
8 * Version 2.1. See http://www.gnu.org/licenses/
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
14 *
15 * For alternative licensing, please contact info@elca.ch
16 */
17 package ch.elca.el4j.services.gui.swing.eventbus;
18
19 import org.bushe.swing.event.EventSubscriber;
20 import org.bushe.swing.event.SwingEventService;
21
22 /**
23 * A {@link SwingEventService} that really throws occurring exceptions (in addition to logging them).
24 *
25 * @svnLink $Revision: 3875 $;$Date: 2009-08-04 14:35:53 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/swing/src/main/java/ch/elca/el4j/services/gui/swing/eventbus/ExceptionThrowingEventService.java $
26 *
27 * @author Stefan Wismer (SWI)
28 */
29 public class ExceptionThrowingEventService extends SwingEventService {
30 /** {@inheritDoc} */
31 @SuppressWarnings("unchecked")
32 @Override
33 protected void handleException(Object event, Throwable e, StackTraceElement[] callingStack,
34 EventSubscriber eventSubscriber) {
35 super.handleException(event, e, callingStack, eventSubscriber);
36 throwRuntimeException(e);
37 }
38
39 /** {@inheritDoc} */
40 @Override
41 protected void handleException(String action, Object event, String topic, Object eventObj, Throwable e,
42 StackTraceElement[] callingStack, String sourceString) {
43 super.handleException(action, event, topic, eventObj, e, callingStack, sourceString);
44 throwRuntimeException(e);
45 }
46
47 /**
48 * Throw a runtime exception.
49 * @param e the exception to throw
50 */
51 private void throwRuntimeException(Throwable e) {
52 if (e instanceof RuntimeException) {
53 throw (RuntimeException) e;
54 } else {
55 throw new RuntimeException(e);
56 }
57 }
58 }