1
22
23 package com.liferay.portal.kernel.servlet;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
28 import com.liferay.portal.kernel.util.PortalInitable;
29 import com.liferay.portal.kernel.util.PortalInitableUtil;
30
31 import javax.servlet.ServletContextEvent;
32 import javax.servlet.ServletContextListener;
33
34
41 public abstract class PortalClassLoaderServletContextListener
42 implements PortalInitable, ServletContextListener {
43
44 public PortalClassLoaderServletContextListener() {
45 }
46
47 public void portalInit() {
48 ClassLoader contextClassLoader =
49 Thread.currentThread().getContextClassLoader();
50
51 try {
52 Thread.currentThread().setContextClassLoader(
53 PortalClassLoaderUtil.getClassLoader());
54
55 _servletContextListener = getInstance();
56
57 _servletContextListener.contextInitialized(_event);
58 }
59 catch (Exception e) {
60 _log.error(e, e);
61 }
62 finally {
63 Thread.currentThread().setContextClassLoader(
64 contextClassLoader);
65 }
66 }
67
68 public void contextInitialized(ServletContextEvent event) {
69 _event = event;
70
71 PortalInitableUtil.init(this);
72 }
73
74 public void contextDestroyed(ServletContextEvent event) {
75 ClassLoader contextClassLoader =
76 Thread.currentThread().getContextClassLoader();
77
78 try {
79 Thread.currentThread().setContextClassLoader(
80 PortalClassLoaderUtil.getClassLoader());
81
82 _servletContextListener.contextDestroyed(event);
83 }
84 finally {
85 Thread.currentThread().setContextClassLoader(contextClassLoader);
86 }
87 }
88
89 protected abstract ServletContextListener getInstance() throws Exception;
90
91 private static Log _log =
92 LogFactoryUtil.getLog(PortalClassLoaderServletContextListener.class);
93
94 private ServletContextListener _servletContextListener;
95 private ServletContextEvent _event;
96
97 }