1 /***
2 * @(#)ServiceLoaderPlugIn.java
3 *
4 * JFoxSOAF, Service-Oriented Application Framework
5 *
6 * Copyright(c) JFoxSOAF Team
7 *
8 * Licensed under the GNU LGPL, Version 2.1 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * http://www.gnu.org/copyleft/lesser.html
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 *
20 * For more information, please visit:
21 * http://www.jfox.cn/confluence/display/JFoxSOAF/Home
22 * http://www.huihoo.org/jfox/jfoxsoaf
23 */
24
25 package org.huihoo.jfox.soaf.services.useraccess.struts;
26
27 import java.io.InputStream;
28
29 import javax.servlet.ServletException;
30
31 import org.apache.commons.logging.Log;
32 import org.apache.commons.logging.LogFactory;
33 import org.apache.struts.action.ActionServlet;
34 import org.apache.struts.action.PlugIn;
35 import org.apache.struts.config.ModuleConfig;
36 import org.huihoo.jfox.soaf.container.ServiceLoader;
37 import org.huihoo.jfox.soaf.exception.ServiceConfigurationException;
38
39 /***
40 * <p>
41 * Struts service loader plugin
42 * </p>
43 *
44 * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
45 * @version $Revision: 1.1 $ $Date: 2006/02/15 08:45:44 $
46 * @version Revision: 1.0
47 */
48
49 public class ServiceLoaderPlugIn implements PlugIn {
50
51 private ServiceLoader serviceLoader = ServiceLoader.getInstance();
52
53 /***
54 * Logging output for this plug in instance.
55 */
56 private Log log = LogFactory.getLog(this.getClass());
57
58 /***
59 * The web application resource path of our persistent database storage
60 * file.
61 */
62 private String pathname = "/WEB-INF/jfoxsoaf-config.xml";
63
64 /***
65 * Destroy service config.
66 *
67 * @see org.apache.struts.action.PlugIn#destroy()
68 */
69 public void destroy() {
70 }
71
72 /***
73 * Initialize the service config resources for this module.
74 *
75 * @see org.apache.struts.action.PlugIn#init(org.apache.struts.action.ActionServlet,
76 * org.apache.struts.config.ModuleConfig)
77 */
78 public void init(ActionServlet actionServlet, ModuleConfig moduleConfig)
79 throws ServletException {
80 if (log.isInfoEnabled()) {
81 log.info("Loading service config from '" + pathname + "'");
82 }
83
84 try {
85 initServiceConfig(actionServlet);
86 } catch (ServiceConfigurationException e) {
87 log.error("Service configuration initialization failed", e);
88 e.printStackTrace();
89 }
90
91 }
92
93 /***
94 * @param actionServlet
95 */
96 private void initServiceConfig(ActionServlet actionServlet)
97 throws ServiceConfigurationException {
98 InputStream is = actionServlet.getServletContext().getResourceAsStream(
99 pathname);
100 serviceLoader.initService(is);
101 }
102
103 }