// package darwinsys;
import java.io.*;
import java.lang.reflect.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HttpSessionInfoServlet extends HttpServlet
{
public void init(ServletConfig config) throws ServletException
{
super.init(config);
}
public String getServletInfo()
{
return "HttpSessionInfoServlet";
}
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException
{
HttpSession sess = req.getSession(true);
resp.setContentType("text/html");
PrintWriter out = new PrintWriter(resp.getOutputStream());
out.println("<HTML>");
out.println("<HEAD><TITLE>HttpSessionInfoServlet Output</TITLE></HEAD>");
out.println("<BODY BGCOLOR=\"white\">");
out.println("<H1>HttpSessionInfoServlet Output</H1>");
out.println("<P>Session object = " + sess.toString());
if (sess instanceof Serializable) {
out.println("<P>Hurrah! Session object IS serializable");
} else {
out.println("<P>Session object NOT serializable");
}
out.println("<P>Getting some fields...!");
Class c = sess.getClass();
Field[] f = c.getDeclaredFields();
out.println("<OL>");
for (int i=0; i<f.length; i++)
out.println("<LI>" + f[i]);
out.println("<P>All done!");
out.println("</BODY>");
out.println("</HTML>");
out.close();
}
}
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