Mega Code Archive

 
Categories / Java by API / Javax Servlet Http
 

HttpServletRequest

import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class AuthenticationSnoop extends HttpServlet {   public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException,       IOException {     res.setContentType("text/html");     PrintWriter out = res.getWriter();     out.println("<HTML><BODY>");     out.println("<H1>This is a password protected resource</H1>");     out.println("<PRE>");     out.println("User Name: " + req.getRemoteUser());     String name = (req.getUserPrincipal() == null) ? null : req.getUserPrincipal().getName();     out.println("Principal Name: " + name);     out.println("Authentication Type: " + req.getAuthType());     out.println("Is a Manager: " + req.isUserInRole("manager"));     out.println("</PRE>");     out.println("</BODY></HTML>");   } }