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Commit 686f42c

Browse files
add listener
1 parent 6890fb3 commit 686f42c

11 files changed

+715
-1
lines changed

‎README.md‎

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# javaee-demo
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* /TestServlet 测试javaee监听器
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# 微信扫码使用gitee工具
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![gitee工具](https://s1.ax1x.com/2018/08/10/P60MMF.jpg)
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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common Development
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* and Distribution License("CDDL") (collectively, the "License"). You
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* may not use this file except in compliance with the License. You can
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* obtain a copy of the License at
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* or packager/legal/LICENSE.txt. See the License for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing the software, include this License Header Notice in each
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* file and include the License file at packager/legal/LICENSE.txt.
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*
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* GPL Classpath Exception:
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* Oracle designates this particular file as subject to the "Classpath"
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* exception as provided by Oracle in the GPL Version 2 section of the License
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* file that accompanied this code.
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*
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* Modifications:
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* If applicable, add the following below the License Header, with the fields
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* enclosed by brackets [] replaced by your own identifying information:
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* "Portions Copyright [year] [name of copyright owner]"
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*
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* Contributor(s):
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* If you wish your version of this file to be governed by only the CDDL or
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* only the GPL Version 2, indicate your decision by adding "[Contributor]
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* elects to include this software in this distribution under the [CDDL or GPL
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* Version 2] license." If you don't indicate a single choice of license, a
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* recipient has the option to distribute your version of this file under
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* either the CDDL, the GPL Version 2 or to extend the choice of license to
35+
* its licensees as provided above. However, if you add GPL Version 2 code
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* and therefore, elected the GPL Version 2 license, then the option applies
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* only if the new code is made subject to such option by the copyright
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* holder.
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*/
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package cn.netbuffer.listener;
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import javax.servlet.ServletContextAttributeEvent;
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import javax.servlet.ServletContextAttributeListener;
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import javax.servlet.annotation.WebListener;
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/**
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* Web application lifecycle listener.
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*
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* @author Arun Gupta
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*/
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@WebListener
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public class MyContextAttributeListener implements ServletContextAttributeListener {
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@Override
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public void attributeAdded(ServletContextAttributeEvent event) {
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System.out.println("MyContextAttributeListener.attributeAdded: " + event.getName());
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}
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@Override
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public void attributeRemoved(ServletContextAttributeEvent event) {
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System.out.println("MyContextAttributeListener.attributeRemoved: " + event.getName());
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}
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@Override
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public void attributeReplaced(ServletContextAttributeEvent event) {
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System.out.println("MyContextAttributeListener.attributeReplaced: " + event.getName());
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}
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}
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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common Development
8+
* and Distribution License("CDDL") (collectively, the "License"). You
9+
* may not use this file except in compliance with the License. You can
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* obtain a copy of the License at
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* or packager/legal/LICENSE.txt. See the License for the specific
13+
* language governing permissions and limitations under the License.
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*
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* When distributing the software, include this License Header Notice in each
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* file and include the License file at packager/legal/LICENSE.txt.
17+
*
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* GPL Classpath Exception:
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* Oracle designates this particular file as subject to the "Classpath"
20+
* exception as provided by Oracle in the GPL Version 2 section of the License
21+
* file that accompanied this code.
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*
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* Modifications:
24+
* If applicable, add the following below the License Header, with the fields
25+
* enclosed by brackets [] replaced by your own identifying information:
26+
* "Portions Copyright [year] [name of copyright owner]"
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*
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* Contributor(s):
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* If you wish your version of this file to be governed by only the CDDL or
30+
* only the GPL Version 2, indicate your decision by adding "[Contributor]
31+
* elects to include this software in this distribution under the [CDDL or GPL
32+
* Version 2] license." If you don't indicate a single choice of license, a
33+
* recipient has the option to distribute your version of this file under
34+
* either the CDDL, the GPL Version 2 or to extend the choice of license to
35+
* its licensees as provided above. However, if you add GPL Version 2 code
36+
* and therefore, elected the GPL Version 2 license, then the option applies
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* only if the new code is made subject to such option by the copyright
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* holder.
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*/
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package cn.netbuffer.listener;
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import javax.servlet.ServletContextEvent;
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import javax.servlet.ServletContextListener;
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import javax.servlet.annotation.WebListener;
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/**
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* Web application lifecycle listener.
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*
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* @author Arun Gupta
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*/
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@WebListener
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public class MyContextListener implements ServletContextListener {
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@Override
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public void contextInitialized(ServletContextEvent sce) {
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System.out.println("MyContextListener.contextInitialized: " + sce.getServletContext().getContextPath());
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}
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@Override
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public void contextDestroyed(ServletContextEvent sce) {
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System.out.println("MyContextListener.contextDestroyed: " + sce.getServletContext().getContextPath());
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}
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}
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1+
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3+
*
4+
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
5+
*
6+
* The contents of this file are subject to the terms of either the GNU
7+
* General Public License Version 2 only ("GPL") or the Common Development
8+
* and Distribution License("CDDL") (collectively, the "License"). You
9+
* may not use this file except in compliance with the License. You can
10+
* obtain a copy of the License at
11+
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
12+
* or packager/legal/LICENSE.txt. See the License for the specific
13+
* language governing permissions and limitations under the License.
14+
*
15+
* When distributing the software, include this License Header Notice in each
16+
* file and include the License file at packager/legal/LICENSE.txt.
17+
*
18+
* GPL Classpath Exception:
19+
* Oracle designates this particular file as subject to the "Classpath"
20+
* exception as provided by Oracle in the GPL Version 2 section of the License
21+
* file that accompanied this code.
22+
*
23+
* Modifications:
24+
* If applicable, add the following below the License Header, with the fields
25+
* enclosed by brackets [] replaced by your own identifying information:
26+
* "Portions Copyright [year] [name of copyright owner]"
27+
*
28+
* Contributor(s):
29+
* If you wish your version of this file to be governed by only the CDDL or
30+
* only the GPL Version 2, indicate your decision by adding "[Contributor]
31+
* elects to include this software in this distribution under the [CDDL or GPL
32+
* Version 2] license." If you don't indicate a single choice of license, a
33+
* recipient has the option to distribute your version of this file under
34+
* either the CDDL, the GPL Version 2 or to extend the choice of license to
35+
* its licensees as provided above. However, if you add GPL Version 2 code
36+
* and therefore, elected the GPL Version 2 license, then the option applies
37+
* only if the new code is made subject to such option by the copyright
38+
* holder.
39+
*/
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package cn.netbuffer.listener;
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import javax.servlet.http.HttpSessionActivationListener;
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import javax.servlet.http.HttpSessionEvent;
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/**
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* Web application lifecycle listener.
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*
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* @author Arun Gupta
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*/
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public class MyHttpSessionActivationListener implements HttpSessionActivationListener {
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@Override
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public void sessionWillPassivate(HttpSessionEvent se) {
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System.out.println("MyHttpSessionActivationListener.sessionWillPassivate: " + se.getSession().getId());
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}
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@Override
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public void sessionDidActivate(HttpSessionEvent se) {
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System.out.println("MyHttpSessionActivationListener.sessionDidActivate: " + se.getSession().getId());
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}
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}
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,68 @@
1+
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3+
*
4+
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
5+
*
6+
* The contents of this file are subject to the terms of either the GNU
7+
* General Public License Version 2 only ("GPL") or the Common Development
8+
* and Distribution License("CDDL") (collectively, the "License"). You
9+
* may not use this file except in compliance with the License. You can
10+
* obtain a copy of the License at
11+
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
12+
* or packager/legal/LICENSE.txt. See the License for the specific
13+
* language governing permissions and limitations under the License.
14+
*
15+
* When distributing the software, include this License Header Notice in each
16+
* file and include the License file at packager/legal/LICENSE.txt.
17+
*
18+
* GPL Classpath Exception:
19+
* Oracle designates this particular file as subject to the "Classpath"
20+
* exception as provided by Oracle in the GPL Version 2 section of the License
21+
* file that accompanied this code.
22+
*
23+
* Modifications:
24+
* If applicable, add the following below the License Header, with the fields
25+
* enclosed by brackets [] replaced by your own identifying information:
26+
* "Portions Copyright [year] [name of copyright owner]"
27+
*
28+
* Contributor(s):
29+
* If you wish your version of this file to be governed by only the CDDL or
30+
* only the GPL Version 2, indicate your decision by adding "[Contributor]
31+
* elects to include this software in this distribution under the [CDDL or GPL
32+
* Version 2] license." If you don't indicate a single choice of license, a
33+
* recipient has the option to distribute your version of this file under
34+
* either the CDDL, the GPL Version 2 or to extend the choice of license to
35+
* its licensees as provided above. However, if you add GPL Version 2 code
36+
* and therefore, elected the GPL Version 2 license, then the option applies
37+
* only if the new code is made subject to such option by the copyright
38+
* holder.
39+
*/
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package cn.netbuffer.listener;
41+
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import javax.servlet.annotation.WebListener;
43+
import javax.servlet.http.HttpSessionAttributeListener;
44+
import javax.servlet.http.HttpSessionBindingEvent;
45+
46+
/**
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* Web application lifecycle listener.
48+
*
49+
* @author Arun Gupta
50+
*/
51+
@WebListener
52+
public class MyHttpSessionAttributeListener implements HttpSessionAttributeListener {
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@Override
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public void attributeAdded(HttpSessionBindingEvent event) {
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System.out.println("MyHttpSessionAttributeListener.attributeAdded: " + event.getName());
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}
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@Override
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public void attributeRemoved(HttpSessionBindingEvent event) {
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System.out.println("MyHttpSessionAttributeListener.attributeRemoved: " + event.getName());
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}
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@Override
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public void attributeReplaced(HttpSessionBindingEvent event) {
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System.out.println("MyHttpSessionAttributeListener.attributeReplaced: " + event.getName());
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}
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}
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,62 @@
1+
/*
2+
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3+
*
4+
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
5+
*
6+
* The contents of this file are subject to the terms of either the GNU
7+
* General Public License Version 2 only ("GPL") or the Common Development
8+
* and Distribution License("CDDL") (collectively, the "License"). You
9+
* may not use this file except in compliance with the License. You can
10+
* obtain a copy of the License at
11+
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
12+
* or packager/legal/LICENSE.txt. See the License for the specific
13+
* language governing permissions and limitations under the License.
14+
*
15+
* When distributing the software, include this License Header Notice in each
16+
* file and include the License file at packager/legal/LICENSE.txt.
17+
*
18+
* GPL Classpath Exception:
19+
* Oracle designates this particular file as subject to the "Classpath"
20+
* exception as provided by Oracle in the GPL Version 2 section of the License
21+
* file that accompanied this code.
22+
*
23+
* Modifications:
24+
* If applicable, add the following below the License Header, with the fields
25+
* enclosed by brackets [] replaced by your own identifying information:
26+
* "Portions Copyright [year] [name of copyright owner]"
27+
*
28+
* Contributor(s):
29+
* If you wish your version of this file to be governed by only the CDDL or
30+
* only the GPL Version 2, indicate your decision by adding "[Contributor]
31+
* elects to include this software in this distribution under the [CDDL or GPL
32+
* Version 2] license." If you don't indicate a single choice of license, a
33+
* recipient has the option to distribute your version of this file under
34+
* either the CDDL, the GPL Version 2 or to extend the choice of license to
35+
* its licensees as provided above. However, if you add GPL Version 2 code
36+
* and therefore, elected the GPL Version 2 license, then the option applies
37+
* only if the new code is made subject to such option by the copyright
38+
* holder.
39+
*/
40+
package cn.netbuffer.listener;
41+
42+
import javax.servlet.http.HttpSessionBindingEvent;
43+
import javax.servlet.http.HttpSessionBindingListener;
44+
45+
/**
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* Web application lifecycle listener.
47+
*
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* @author Arun Gupta
49+
*/
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public class MyHttpSessionBindingListener implements HttpSessionBindingListener {
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@Override
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public void valueBound(HttpSessionBindingEvent event) {
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System.out.println("MyHttpSessionBindingListener.valueBound: " + event.getName());
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}
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@Override
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public void valueUnbound(HttpSessionBindingEvent event) {
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System.out.println("MyHttpSessionBindingListener.valueUnbound: " + event.getName());
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}
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}

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