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19 package com.acme;
20
21 import java.io.IOException;
22 import javax.servlet.ServletException;
23 import javax.servlet.ServletOutputStream;
24 import javax.servlet.http.Cookie;
25 import javax.servlet.http.HttpServlet;
26 import javax.servlet.http.HttpServletRequest;
27 import javax.servlet.http.HttpServletResponse;
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31
32 @SuppressWarnings("serial")
33 public class RewriteServlet extends HttpServlet
34 {
35
36 @Override
37 public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
38 {
39 doGet(req, res);
40 }
41
42
43 @Override
44 public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
45 {
46 ServletOutputStream out = res.getOutputStream();
47 out.println("<html><body><table>");
48 out.println("<tr><th>Original request URI: </th><td>" + req.getAttribute("requestedPath") + "</td></tr>");
49 out.println("<tr><th>Rewritten request URI: </th><td>" + req.getRequestURI() + "</td></tr>");
50
51 Cookie cookie = null;
52 for(Cookie c: req.getCookies())
53 {
54 if (c.getName().equals("visited"))
55 {
56 cookie = c;
57 break;
58 }
59 }
60 if (cookie!=null)
61 out.println("<tr><th>Previously visited: </th></td><td>" + cookie.getValue()+"</td></tr>");
62
63 out.println("</table></body></html>");
64 }
65
66
67 @Override
68 public String getServletInfo()
69 {
70 return "Rewrite Servlet";
71 }
72 }