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HttpSessionListenerDemo Project Dir Structure
import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; public class HttpSessionTestServlet extends HttpServlet { private static final long serialVersionUID = 1L; public void init() throws ServletException { System.out.println("-----------------------------------------"); System.out.println(" Init method is called in " + this.getClass().getName()); System.out.println("--------------------------------------"); } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); sleep(); HttpSession httpSession = request.getSession(); sleep(); httpSession.invalidate(); } private void sleep() { try { Thread.sleep(12000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public void destroy() { System.out.println("-----------------------------------------"); System.out.println(" destroy method is called in " + this.getClass().getName()); System.out.println("-----------------------------------------"); } }
MyHttpSessionListener.java
import javax.servlet.http.HttpSession; import javax.servlet.http.HttpSessionEvent; import javax.servlet.http.HttpSessionListener; public class MyHttpSessionListener implements HttpSessionListener { @Override public void sessionCreated(HttpSessionEvent httpSessionEvent) { System.out.println("\n###################################\n"); System.out.println("sessionCreated method has been called in " + this.getClass().getName()); HttpSession session = httpSessionEvent.getSession(); System.out.print(session + " Created:"); System.out.println("ID=" + session.getId() + " MaxInactiveInterval=" + session.getMaxInactiveInterval()); System.out.println("\n#####################################\n"); /* * if Session is created, based on that if you want to perform any * operation then you can do it here. */ } @Override public void sessionDestroyed(HttpSessionEvent httpSessionEvent) { System.out.println("\n###################################\n"); System.out.println("sessionDestroyed method has been called in " + this.getClass().getName()); HttpSession session = httpSessionEvent.getSession(); System.out.print(session + " destroyed:"); System.out.println("ID=" + session.getId() + " MaxInactiveInterval=" + session.getMaxInactiveInterval()); System.out.println("\n#####################################\n"); /* * if Session is destroyed, based on that if you want to perform any * operation then you can do it here. */ } }
<?xml version="1.0" encoding="ISO-8859-1"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" metadata-complete="true" version="3.0"> <display-name>HttpSessionListenerDemo</display-name> <description> This is a simple web application with a source code organization based on the recommendations of the Application Developer's Guide. </description> <servlet> <servlet-name>HttpSessionTestServlet</servlet-name> <servlet-class>HttpSessionTestServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>HttpSessionTestServlet</servlet-name> <url-pattern>/listenerTest</url-pattern> </servlet-mapping> <listener> <listener-class>MyHttpSessionListener</listener-class> </listener> </web-app>
index.html
<html> <body> <a href="listenerTest">listenerTest</a> </body> </html>
JDK version :1.7.0_51
Tomcat version : 7.0.50
To Download HttpSessionListenerDemoApp Project Click the below link
https://sites.google.com/site/javaee4321/servlets/HttpSessionListenerDemoApp.zip?attredirects=0&d=1
See also:
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