001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 /* $Id: RequestParamExample.java 514091 2007-03-03 06:26:39Z jdillon $ 018 * 019 */ 020 021 import java.io.*; 022 import java.util.*; 023 import javax.servlet.*; 024 import javax.servlet.http.*; 025 026 import util.HTMLFilter; 027 028 /** 029 * Example servlet showing request headers 030 * 031 * @author James Duncan Davidson <duncan@eng.sun.com> 032 */ 033 034 public class RequestParamExample extends HttpServlet { 035 036 037 ResourceBundle rb = ResourceBundle.getBundle("LocalStrings"); 038 039 public void doGet(HttpServletRequest request, 040 HttpServletResponse response) 041 throws IOException, ServletException 042 { 043 response.setContentType("text/html"); 044 045 PrintWriter out = response.getWriter(); 046 out.println("<html>"); 047 out.println("<body>"); 048 out.println("<head>"); 049 050 String title = rb.getString("requestparams.title"); 051 out.println("<title>" + title + "</title>"); 052 out.println("</head>"); 053 out.println("<body bgcolor=\"white\">"); 054 055 // img stuff not req'd for source code html showing 056 057 // all links relative 058 059 // XXX 060 // making these absolute till we work out the 061 // addition of a PathInfo issue 062 063 out.println("<a href=\"../reqparams.html\">"); 064 out.println("<img src=\"../images/code.gif\" height=24 " + 065 "width=24 align=right border=0 alt=\"view code\"></a>"); 066 out.println("<a href=\"../index.html\">"); 067 out.println("<img src=\"../images/return.gif\" height=24 " + 068 "width=24 align=right border=0 alt=\"return\"></a>"); 069 070 out.println("<h3>" + title + "</h3>"); 071 String firstName = request.getParameter("firstname"); 072 String lastName = request.getParameter("lastname"); 073 out.println(rb.getString("requestparams.params-in-req") + "<br>"); 074 if (firstName != null || lastName != null) { 075 out.println(rb.getString("requestparams.firstname")); 076 out.println(" = " + HTMLFilter.filter(firstName) + "<br>"); 077 out.println(rb.getString("requestparams.lastname")); 078 out.println(" = " + HTMLFilter.filter(lastName)); 079 } else { 080 out.println(rb.getString("requestparams.no-params")); 081 } 082 out.println("<P>"); 083 out.print("<form action=\""); 084 out.print("RequestParamExample\" "); 085 out.println("method=POST>"); 086 out.println(rb.getString("requestparams.firstname")); 087 out.println("<input type=text size=20 name=firstname>"); 088 out.println("<br>"); 089 out.println(rb.getString("requestparams.lastname")); 090 out.println("<input type=text size=20 name=lastname>"); 091 out.println("<br>"); 092 out.println("<input type=submit>"); 093 out.println("</form>"); 094 095 out.println("</body>"); 096 out.println("</html>"); 097 } 098 099 public void doPost(HttpServletRequest request, 100 HttpServletResponse response) 101 throws IOException, ServletException 102 { 103 doGet(request, response); 104 } 105 106 }