AutoServlet.java Source code

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Here is the source code for AutoServlet.java

Source

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 AutoServlet extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, java.io.IOException {

        //client browser will request the page every 60 seconds
        HttpSession session = request.getSession();
        Long times = (Long) session.getAttribute("times");
        if (times == null)
            session.setAttribute("times", new Long(0));
        long temp = 1;
        if (times != null)
            temp = (times.longValue()) + 1;

        if (temp < 5)
            response.addHeader("Refresh", "15");

        response.setContentType("text/html");
        java.io.PrintWriter out = response.getWriter();
        out.println("<html><head><title>Client Refresh</title></head><body>");

        //More HTML or dynamic content
        out.println("You've viewed this page " + temp + " times.");
        session.setAttribute("times", new Long(temp));
        out.println("</body></html>");

    } //end doGet
}