| TrackedServletRequest.java |
1 /**
2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License as published by the Free
6 * Software Foundation; either version 2.1 of the License, or (at your option)
7 * any later version.
8 *
9 * This library is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 * details.
13 */
14
15 package com.liferay.portal.kernel.servlet;
16
17 import java.util.Collections;
18 import java.util.HashSet;
19 import java.util.Set;
20
21 import javax.servlet.http.HttpServletRequest;
22 import javax.servlet.http.HttpServletRequestWrapper;
23
24 /**
25 * <a href="TrackedServletRequest.java.html"><b><i>View Source</i></b></a>
26 *
27 * @author Brian Wing Shun Chan
28 */
29 public class TrackedServletRequest extends HttpServletRequestWrapper {
30
31 public TrackedServletRequest(HttpServletRequest request) {
32 super(request);
33 }
34
35 public Set<String> getSetAttributes() {
36 if (_setAttributes == null) {
37 return Collections.EMPTY_SET;
38 }
39 else {
40 return _setAttributes;
41 }
42 }
43
44 public void setAttribute(String name, Object obj) {
45 if (_setAttributes == null) {
46 _setAttributes = new HashSet<String>();
47 }
48
49 _setAttributes.add(name);
50
51 super.setAttribute(name, obj);
52 }
53
54 private Set<String> _setAttributes;
55
56 }