1   /**
2    * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.util;
24  
25  import com.liferay.portal.kernel.util.MethodInvoker;
26  import com.liferay.portal.kernel.util.MethodWrapper;
27  
28  import org.apache.commons.logging.Log;
29  import org.apache.commons.logging.LogFactory;
30  
31  /**
32   * <a href="ServiceLocator.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Brian Wing Shun Chan
35   *
36   */
37  public class ServiceLocator {
38  
39      public static ServiceLocator getInstance() {
40          return _instance;
41      }
42  
43      public Object findService(String serviceName) {
44          Object obj = null;
45  
46          try {
47              String factoryName = serviceName + _FACTORY_SUFFIX;
48  
49              MethodWrapper methodWrapper = new MethodWrapper(
50                  factoryName, _SERVICE_METHOD, new Object[0]);
51  
52              obj = MethodInvoker.invoke(methodWrapper, false);
53          }
54          catch (Exception e) {
55              _log.error(e);
56          }
57  
58          return obj;
59      }
60  
61      private ServiceLocator() {
62      }
63  
64      private static Log _log = LogFactory.getLog(ServiceLocator.class);
65  
66      private static final String _FACTORY_SUFFIX = "Factory";
67  
68      private static final String _SERVICE_METHOD = "getService";
69  
70      private static ServiceLocator _instance = new ServiceLocator();
71  
72  }