package servlets;
/*
* Copyright 2007 Sun Microsystems, Inc.
* All rights reserved. You may not modify, use,
* reproduce, or distribute this software except in
* compliance with the terms of the License at:
* http://developer.sun.com/berkeley_license.html
*/
import java.io.*;
import java.util.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
* This is a simple example of an HTTP Servlet. It responds to the GET
* method of the HTTP protocol.
*/
public class GreetingServletV3 extends HttpServlet {
public void doGet(
HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
response.setBufferSize(8192);
PrintWriter out = response.getWriter();
// then write the data of the response
out.println("" + "Hello");
// then write the data of the response
out.println(
""
+ "![\"Duke](\"duke.waving.gif\")
"
+ "Hello, my name is Duke. What's yours?
"
+ "");
String username = request.getParameter("username");
if (username != null && username.equals("admin")){
response.sendRedirect("/admin");
out.close();
return; // la redirection implique de ne pas continuer/envoyer cette page : la réponse sera construite dans une autre servlet
}
if ((username != null) && (username.length() > 0)) {
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/response");
if (dispatcher != null) {
dispatcher.forward(request, response);
}
}
out.println("");
out.close();
}
public String getServletInfo() {
return "The Hello servlet says hello.";
}
}