java code for JSP session counter

//startPage.html

URL Re-writing Demo

Click here to visit page 2.





//page2.jsp

URL Re-writing Demo

">Click here to visit page 1.




//page1.jsp

URL Re-writing Demo

">Click here to visit page 2.






///
//web.xml

"http://java.sun.com/dtd/web-app_2_3.dtd">


com.java2s.SessionCount


http://java.sun.com/jstl/core
/WEB-INF/c.tld



//sessionCounter.jsp

Session Counter

On this server, there are currently
<%=com.java2s.SessionCount.getNumberOfSessions()%> active sessions.





package com.java2s;

import javax.servlet.http.*;

public class SessionCount implements HttpSessionListener
{
private static int numberOfSessions = 0;

public void sessionCreated (HttpSessionEvent evt)
{
numberOfSessions++;
}

public void sessionDestroyed (HttpSessionEvent evt)
{
numberOfSessions--;
}

// here is our own method to return the number of current sessions
public static int getNumberOfSessions()
{
return numberOfSessions;
}

}