SessionTracker.java Source code

Java tutorial

  1. HOME
  2. Java
  3. SessionTracker.java

Introduction

Here is the source code for SessionTracker.java

Source

import java.io.PrintWriter;
import java.io.IOException;
import java.util.Date;
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 SessionTracker extends HttpServlet {
    public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
        res.setContentType("text/html");
        PrintWriter out = res.getWriter();

        HttpSession session = req.getSession(true);

        Integer count = (Integer) session.getAttribute("count");

        if (count == null) {
            count = new Integer(1);
        } else {
            count = new Integer(count.intValue() + 1);
        }

        session.setAttribute("count", count);
        out.println("<html><head><title>SessionSnoop</title></head>");
        out.println("<body><h1>Session Details</h1>");
        out.println(
                "You've visited this page " + count + ((count.intValue() == 1) ? " time." : " times.") + "<br/>");
        out.println("<h3>Details of this session:</h3>");
        out.println("Session id: " + session.getId() + "<br/>");
        out.println("New session: " + session.isNew() + "<br/>");
        out.println("Timeout: " + session.getMaxInactiveInterval() + "<br/>");
        out.println("Creation time: " + new Date(session.getCreationTime()) + "<br/>");
        out.println("Last access time: " + new Date(session.getLastAccessedTime()) + "<br/>");
        out.println("</body></html>");
    }
}