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1 package org.ashkelon.pages;
2
3 import org.ashkelon.util.*;
4 import java.util.*;
5 import javax.servlet.http.*;
6
7
10 public class Trail extends Page
11 {
12 public Trail()
13 {
14 super();
15 log.setPrefix("trail");
16 }
17
18 public String  handleRequest()
19 {
20 String cmd = ServletUtils.getCommand(request);
21 if (cmd.equals("trail.reset"))
22 {
23 return resetTrail(request);
24 }
25 return null;
26 }
27
28 private String resetTrail(HttpServletRequest request)
29 {
30 HttpSession session = request.getSession(true);
31 LinkedList trail = (LinkedList) session.getAttribute("trail");
32 if (trail == null || trail.isEmpty())
33 return "pkg";
34
35 String [] lastPair = (String []) trail.getLast();
36 String last_uri = lastPair[0];
37
38 String cmd = "pkg";
39 if (last_uri.indexOf("?") > 0)
40 {
41 String queryString = StringUtils.split(last_uri, "?")[1];
42 String [] pairs = StringUtils.split(queryString, "&");
43 String [] name_value;
44 for (int i=0; i<pairs.length; i++)
45 {
46 name_value = StringUtils.split(pairs[i], "=");
47 request.setAttribute(name_value[0], name_value[1]);
48 if ("cmd".equals(name_value[0]))
49 cmd = name_value[1];
50 }
51 }
52 session.setAttribute("trail", new LinkedList());
53 log.traceln("trail has been reset");
54 return cmd;
55 }
56
57 }
58 |
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