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Java > Open Source Codes > net > myvietnam > mvncore > service > MvnCoreServiceFactory


1 /*
2  * $Header: /cvsroot/mvnforum/myvietnam/src/net/myvietnam/mvncore/service/MvnCoreServiceFactory.java,v 1.6 2006/04/14 16:03:56 minhnn Exp $
3  * $Author: minhnn $
4  * $Revision: 1.6 $
5  * $Date: 2006/04/14 16:03:56 $
6  *
7  * ====================================================================
8  *
9  * Copyright (C) 2002-2006 by MyVietnam.net
10  *
11  * All copyright notices regarding MyVietnam and MyVietnam CoreLib
12  * MUST remain intact in the scripts and source code.
13  *
14  * This library is free software; you can redistribute it and/or
15  * modify it under the terms of the GNU Lesser General Public
16  * License as published by the Free Software Foundation; either
17  * version 2.1 of the License, or (at your option) any later version.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  *
28  * Correspondence and Marketing Questions can be sent to:
29  * info at MyVietnam net
30  *
31  * @author: Trong Vo
32  */
33 package net.myvietnam.mvncore.service;
34
35 import net.myvietnam.mvncore.MVNCoreConfig;
36 import net.myvietnam.mvncore.service.impl.MvnCoreServiceImpl;
37
38 import org.apache.commons.logging.Log;
39 import org.apache.commons.logging.LogFactory;
40
41 public class MvnCoreServiceFactory {
42
43     private static Log log = LogFactory.getLog(MvnCoreServiceFactory.class);
44
45     private MvnCoreServiceFactory() {
46     }
47
48     private static MvnCoreService mvnCoreService = null;
49
50     public static synchronized MvnCoreService getMvnCoreService() {
51
52         if (mvnCoreService == null) {
53             try {
54                 Class JavaDoc c = Class.forName(MVNCoreConfig.getMvnCoreServiceClassName());
55                 mvnCoreService = (MvnCoreService) c.newInstance();
56                 log.info("mvnCoreService = " + mvnCoreService);
57             } catch (Exception JavaDoc e) {
58                 log.error("Error loading the mvnCoreService.", e);
59
60                 log.warn("Error loading the mvnCoreService. Using default MvnCoreService: " + MvnCoreServiceImpl.class.getName());
61                 mvnCoreService = new MvnCoreServiceImpl();
62             }
63         }
64         return mvnCoreService;
65     }
66
67 }
68
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