| [66] | 1 | /* |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | /* $Id: RequestHeaderExample.java 500674 2007-01-27 23:15:00Z markt $ |
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| 18 | * |
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| 19 | */ |
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| 20 | |
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| 21 | import java.io.*; |
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| 22 | import java.util.*; |
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| 23 | import javax.servlet.*; |
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| 24 | import javax.servlet.http.*; |
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| 25 | |
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| 26 | import util.HTMLFilter; |
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| 27 | |
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| 28 | /** |
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| 29 | * Example servlet showing request headers |
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| 30 | * |
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| 31 | * @author James Duncan Davidson <duncan@eng.sun.com> |
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| 32 | */ |
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| 33 | |
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| 34 | public class RequestHeaderExample extends HttpServlet { |
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| 35 | |
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| 36 | ResourceBundle rb = ResourceBundle.getBundle("LocalStrings"); |
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| 37 | |
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| 38 | public void doGet(HttpServletRequest request, |
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| 39 | HttpServletResponse response) |
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| 40 | throws IOException, ServletException |
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| 41 | { |
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| 42 | response.setContentType("text/html"); |
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| 43 | |
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| 44 | PrintWriter out = response.getWriter(); |
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| 45 | out.println("<html>"); |
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| 46 | out.println("<body bgcolor=\"white\">"); |
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| 47 | out.println("<head>"); |
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| 48 | |
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| 49 | String title = rb.getString("requestheader.title"); |
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| 50 | out.println("<title>" + title + "</title>"); |
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| 51 | out.println("</head>"); |
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| 52 | out.println("<body>"); |
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| 53 | |
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| 54 | // all links relative |
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| 55 | |
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| 56 | // XXX |
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| 57 | // making these absolute till we work out the |
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| 58 | // addition of a PathInfo issue |
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| 59 | |
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| 60 | out.println("<a href=\"../reqheaders.html\">"); |
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| 61 | out.println("<img src=\"../images/code.gif\" height=24 " + |
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| 62 | "width=24 align=right border=0 alt=\"view code\"></a>"); |
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| 63 | out.println("<a href=\"../index.html\">"); |
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| 64 | out.println("<img src=\"../images/return.gif\" height=24 " + |
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| 65 | "width=24 align=right border=0 alt=\"return\"></a>"); |
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| 66 | |
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| 67 | out.println("<h3>" + title + "</h3>"); |
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| 68 | out.println("<table border=0>"); |
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| 69 | Enumeration e = request.getHeaderNames(); |
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| 70 | while (e.hasMoreElements()) { |
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| 71 | String headerName = (String)e.nextElement(); |
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| 72 | String headerValue = request.getHeader(headerName); |
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| 73 | out.println("<tr><td bgcolor=\"#CCCCCC\">"); |
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| 74 | out.println(HTMLFilter.filter(headerName)); |
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| 75 | out.println("</td><td>"); |
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| 76 | out.println(HTMLFilter.filter(headerValue)); |
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| 77 | out.println("</td></tr>"); |
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| 78 | } |
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| 79 | out.println("</table>"); |
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| 80 | } |
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| 81 | |
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| 82 | public void doPost(HttpServletRequest request, |
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| 83 | HttpServletResponse response) |
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| 84 | throws IOException, ServletException |
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| 85 | { |
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| 86 | doGet(request, response); |
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| 87 | } |
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| 88 | |
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| 89 | } |
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| 90 | |
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