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19 package com.acme;
20
21 import java.io.IOException;
22
23 import javax.servlet.ServletException;
24 import javax.servlet.ServletOutputStream;
25 import javax.servlet.http.Cookie;
26 import javax.servlet.http.HttpServlet;
27 import javax.servlet.http.HttpServletRequest;
28 import javax.servlet.http.HttpServletResponse;
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32
33 @SuppressWarnings("serial")
34 public class RewriteServlet extends HttpServlet
35 {
36
37 @Override
38 public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
39 {
40 doGet(req, res);
41 }
42
43
44 @Override
45 public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
46 {
47 ServletOutputStream out = res.getOutputStream();
48 out.println("<html><body><table>");
49 out.println("<tr><th>Original request URI: </th><td>" + req.getAttribute("requestedPath") + "</td></tr>");
50 out.println("<tr><th>Rewritten request URI: </th><td>" + req.getRequestURI() + "</td></tr>");
51
52 Cookie cookie = null;
53 Cookie[] cookies = req.getCookies();
54 if (cookies != null)
55 {
56 for(Cookie c: cookies)
57 {
58 if (c.getName().equals("visited"))
59 {
60 cookie = c;
61 break;
62 }
63 }
64 }
65 if (cookie!=null)
66 out.println("<tr><th>Previously visited: </th></td><td>" + cookie.getValue()+"</td></tr>");
67
68 out.println("</table></body></html>");
69 }
70
71
72 @Override
73 public String getServletInfo()
74 {
75 return "Rewrite Servlet";
76 }
77 }