1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package sessions;
18
19 import java.util.Vector;
20
21 import javax.servlet.http.HttpServletRequest;
22
23 public class DummyCart {
24 Vector v = new Vector();
25 String submit = null;
26 String item = null;
27
28 private void addItem(String name) {
29 v.addElement(name);
30 }
31
32 private void removeItem(String name) {
33 v.removeElement(name);
34 }
35
36 public void setItem(String name) {
37 item = name;
38 }
39
40 public void setSubmit(String s) {
41 submit = s;
42 }
43
44 public String[] getItems() {
45 String[] s = new String[v.size()];
46 v.copyInto(s);
47 return s;
48 }
49
50 public void processRequest(HttpServletRequest request) {
51 // null value for submit - user hit enter instead of clicking on
52 // "add" or "remove"
53 if (submit == null)
54 addItem(item);
55
56 if (submit.equals("add"))
57 addItem(item);
58 else if (submit.equals("remove"))
59 removeItem(item);
60
61 // reset at the end of the request
62 reset();
63 }
64
65 // reset
66 private void reset() {
67 submit = null;
68 item = null;
69 }
70 }