package cs320.stu31; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class Members extends HttpServlet { public void doGet( HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException { if( request.getParameter("logout") != null ) { request.getSession().invalidate(); response.sendRedirect("cs320.stu31.Login"); return; } HttpSession session = request.getSession(); String username = (String) session.getAttribute("username"); if( username == null ) { response.sendRedirect("cs320.stu31.Login"); return; } PrintWriter out = response.getWriter(); response.setContentType("text/html"); out.println( "