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Example servlet showing request headers

/* * Copyright 2004 The Apache Software Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *     http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* $Id: CookieExample.java,v 1.3 2004/03/18 16:40:33 jfarcand Exp $  *  */ import java.io.*; import java.text.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; /**  * Example servlet showing request headers  *  * @author James Duncan Davidson <duncan@eng.sun.com>  */ public class CookieExample extends HttpServlet {     ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");          public void doGet(HttpServletRequest request,                       HttpServletResponse response)         throws IOException, ServletException     {         response.setContentType("text/html");         PrintWriter out = response.getWriter();         out.println("<html>");         out.println("<body bgcolor=\"white\">");         out.println("<head>");         String title = rb.getString("cookies.title");         out.println("<title>" + title + "</title>");         out.println("</head>");         out.println("<body>");   // relative links         // XXX         // making these absolute till we work out the         // addition of a PathInfo issue             out.println("<a href=\"../cookies.html\">");         out.println("<img src=\"../images/code.gif\" height=24 " +                     "width=24 align=right border=0 alt=\"view code\"></a>");         out.println("<a href=\"../index.html\">");         out.println("<img src=\"../images/return.gif\" height=24 " +                     "width=24 align=right border=0 alt=\"return\"></a>");         out.println("<h3>" + title + "</h3>");         Cookie[] cookies = request.getCookies();         if ((cookies != null) && (cookies.length > 0)) {             out.println(rb.getString("cookies.cookies") + "<br>");             for (int i = 0; i < cookies.length; i++) {                 Cookie cookie = cookies[i];                 out.print("Cookie Name: " + HTMLFilter.filter(cookie.getName())                           + "<br>");                 out.println("  Cookie Value: "                              + HTMLFilter.filter(cookie.getValue())                             + "<br><br>");             }         } else {             out.println(rb.getString("cookies.no-cookies"));         }         String cookieName = request.getParameter("cookiename");         String cookieValue = request.getParameter("cookievalue");         if (cookieName != null && cookieValue != null) {             Cookie cookie = new Cookie(cookieName, cookieValue);             response.addCookie(cookie);             out.println("<P>");             out.println(rb.getString("cookies.set") + "<br>");             out.print(rb.getString("cookies.name") + "  "                        + HTMLFilter.filter(cookieName) + "<br>");             out.print(rb.getString("cookies.value") + "  "                        + HTMLFilter.filter(cookieValue));         }                  out.println("<P>");         out.println(rb.getString("cookies.make-cookie") + "<br>");         out.print("<form action=\"");         out.println("CookieExample\" method=POST>");         out.print(rb.getString("cookies.name") + "  ");         out.println("<input type=text length=20 name=cookiename><br>");         out.print(rb.getString("cookies.value") + "  ");         out.println("<input type=text length=20 name=cookievalue><br>");         out.println("<input type=submit></form>");                                   out.println("</body>");         out.println("</html>");     }     public void doPost(HttpServletRequest request,                       HttpServletResponse response)         throws IOException, ServletException     {         doGet(request, response);     } }