| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame^] | 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 |
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| 18 | import java.io.*;
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| 19 | import java.util.*;
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| 20 | import javax.servlet.*;
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| 21 | import javax.servlet.http.*;
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| 22 |
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| 23 | import util.HTMLFilter;
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| 24 |
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| 25 | /**
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| 26 | * Example servlet showing request headers
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| 27 | *
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| 28 | * @author James Duncan Davidson <duncan@eng.sun.com>
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| 29 | */
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| 30 |
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| 31 | public class RequestHeaderExample extends HttpServlet {
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| 32 |
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| 33 | ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");
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| 34 |
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| 35 | public void doGet(HttpServletRequest request,
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| 36 | HttpServletResponse response)
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| 37 | throws IOException, ServletException
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| 38 | {
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| 39 | response.setContentType("text/html");
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| 40 |
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| 41 | PrintWriter out = response.getWriter();
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| 42 | out.println("<html>");
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| 43 | out.println("<head>");
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| 44 |
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| 45 | String title = rb.getString("requestheader.title");
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| 46 | out.println("<title>" + title + "</title>");
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| 47 | out.println("</head>");
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| 48 | out.println("<body bgcolor=\"white\">");
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| 49 |
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| 50 | // all links relative
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| 51 |
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| 52 | // XXX
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| 53 | // making these absolute till we work out the
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| 54 | // addition of a PathInfo issue
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| 55 |
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| 56 | out.println("<a href=\"../reqheaders.html\">");
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| 57 | out.println("<img src=\"../images/code.gif\" height=24 " +
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| 58 | "width=24 align=right border=0 alt=\"view code\"></a>");
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| 59 | out.println("<a href=\"../index.html\">");
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| 60 | out.println("<img src=\"../images/return.gif\" height=24 " +
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| 61 | "width=24 align=right border=0 alt=\"return\"></a>");
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| 62 |
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| 63 | out.println("<h3>" + title + "</h3>");
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| 64 | out.println("<table border=0>");
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| 65 | Enumeration e = request.getHeaderNames();
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| 66 | while (e.hasMoreElements()) {
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| 67 | String headerName = (String)e.nextElement();
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| 68 | String headerValue = request.getHeader(headerName);
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| 69 | out.println("<tr><td bgcolor=\"#CCCCCC\">");
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| 70 | out.println(HTMLFilter.filter(headerName));
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| 71 | out.println("</td><td>");
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| 72 | out.println(HTMLFilter.filter(headerValue));
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| 73 | out.println("</td></tr>");
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| 74 | }
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| 75 | out.println("</table>");
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| 76 | }
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| 77 |
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| 78 | public void doPost(HttpServletRequest request,
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| 79 | HttpServletResponse response)
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| 80 | throws IOException, ServletException
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| 81 | {
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| 82 | doGet(request, response);
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| 83 | }
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| 84 |
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| 85 | }
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| 86 |
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