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Java > Open Source Codes > org > enhydra > barracuda > contrib > dbroggisch > page > PageDispatcherFactory


1 /*
2  * Copyright (C) 2003 Diez B. Roggisch [deets@web.de]
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * $Id: PageDispatcherFactory.java,v 1.5 2004/02/01 05:16:27 christianc Exp $
19  */
20 package org.enhydra.barracuda.contrib.dbroggisch.page;
21
22 import org.enhydra.barracuda.core.event.DispatcherFactory;
23 import org.enhydra.barracuda.core.event.EventDispatcher;
24 import org.apache.log4j.Logger;
25
26
27 /**
28  * A simple convenience class providing a ready-set dispatcher factory. The
29  * event dispatcher returned in this case provides for thread safety when
30  * using session pages. See {@link PageEventDispatcher} for details.
31  *
32  * <p>To use this class, return an instance of this factory in the
33  * {@link org.enhydra.barracuda.core.event.ApplicationGateway#getDispatcherFactory() AplicationGateway.getDispatcherFactory()}
34  * method.</p>
35  *
36  * @author <a HREF="mailto:deets@web.de">Diez B. Roggisch</a>
37  * @version 1.0
38  */
39 public class PageDispatcherFactory implements DispatcherFactory {
40
41     private static final Logger logger = Logger.getLogger(PageDispatcherFactory.class.getName());
42
43     public EventDispatcher getInstance() {
44         if (logger.isDebugEnabled()) logger.debug("Using custom event dispatcher " + PageEventDispatcher.class.getName());
45         return new PageEventDispatcher();
46     }
47
48 }
49
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