|
1 |
| |
|
2 |
| |
|
3 |
| |
|
4 |
| |
|
5 |
| |
|
6 |
| |
|
7 |
| |
|
8 |
| |
|
9 |
| |
|
10 |
| |
|
11 |
| |
|
12 |
| |
|
13 |
| |
|
14 |
| |
|
15 |
| |
|
16 |
| package sessions; |
|
17 |
| |
|
18 |
| import javax.servlet.http.*; |
|
19 |
| import java.util.Vector; |
|
20 |
| import java.util.Enumeration; |
|
21 |
| |
|
22 |
| public class DummyCart { |
|
23 |
| Vector v = new Vector(); |
|
24 |
| String submit = null; |
|
25 |
| String item = null; |
|
26 |
| |
|
27 |
0
| private void addItem(String name) {
|
|
28 |
0
| v.addElement(name);
|
|
29 |
| } |
|
30 |
| |
|
31 |
0
| private void removeItem(String name) {
|
|
32 |
0
| v.removeElement(name);
|
|
33 |
| } |
|
34 |
| |
|
35 |
0
| public void setItem(String name) {
|
|
36 |
0
| item = name;
|
|
37 |
| } |
|
38 |
| |
|
39 |
0
| public void setSubmit(String s) {
|
|
40 |
0
| submit = s;
|
|
41 |
| } |
|
42 |
| |
|
43 |
0
| public String[] getItems() {
|
|
44 |
0
| String[] s = new String[v.size()];
|
|
45 |
0
| v.copyInto(s);
|
|
46 |
0
| return s;
|
|
47 |
| } |
|
48 |
| |
|
49 |
0
| public void processRequest(HttpServletRequest request) {
|
|
50 |
| |
|
51 |
| |
|
52 |
0
| if (submit == null)
|
|
53 |
0
| addItem(item);
|
|
54 |
| |
|
55 |
0
| if (submit.equals("add"))
|
|
56 |
0
| addItem(item);
|
|
57 |
0
| else if (submit.equals("remove"))
|
|
58 |
0
| removeItem(item);
|
|
59 |
| |
|
60 |
| |
|
61 |
0
| reset();
|
|
62 |
| } |
|
63 |
| |
|
64 |
| |
|
65 |
0
| private void reset() {
|
|
66 |
0
| submit = null;
|
|
67 |
0
| item = null;
|
|
68 |
| } |
|
69 |
| } |