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.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * This is a simple example of an HTTP Servlet. It responds to the GET * method of the HTTP protocol. */ public class ResponseServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PrintWriter out = response.getWriter(); // then write the data of the response String username = request.getParameter("username"); if ((username != null) && (username.length() > 0)) { out.println("

Hello, " + username + "!

"); } } public String getServletInfo() { return "The Response servlet says hello."; } }