package com.jspservletcookbook;
import javax.servlet.*;
import javax.servlet.http.*;
public class LogoutServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, java.io.IOException {
HttpSession session = request.getSession();
response.setContentType("text/html");
java.io.PrintWriter out = response.getWriter();
out.println("<html><head><title>Authenticated User Info</title></head><body>");
out.println("<h2>Logging out a user</h2>");
out.println("request.getRemoteUser() returns: ");
String remUser = request.getRemoteUser();
out.println(remUser == null ? "Not authenticated." : remUser );
out.println("<br>");
out.println("request.isUserInRole(\"dbadmin\") returns: ");
boolean isInRole = request.isUserInRole("dbadmin");
out.println(isInRole);
out.println("<br>");
//log out the user
session.invalidate();
out.println("</body></html>");
out.close();
} //doGet
public void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException,
java.io.IOException {
doGet(request,response);
}//doPost
}
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