| LiferayServletRequest.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.upload;
16
17 import java.io.IOException;
18
19 import javax.servlet.ServletInputStream;
20 import javax.servlet.http.HttpServletRequest;
21 import javax.servlet.http.HttpServletRequestWrapper;
22
23 /**
24 * <a href="LiferayServletRequest.java.html"><b><i>View Source</i></b></a>
25 *
26 * @author Brian Myunghun Kim
27 * @author Brian Wing Shun Chan
28 */
29 public class LiferayServletRequest extends HttpServletRequestWrapper {
30
31 public LiferayServletRequest(HttpServletRequest request) {
32 super(request);
33
34 _request = request;
35 }
36
37 public ServletInputStream getInputStream() throws IOException {
38 if (_lis == null) {
39 _lis = new LiferayInputStream(_request);
40
41 return _lis;
42 }
43 else {
44
45 // Return the cached input stream the second time the user requests
46 // the input stream, otherwise, it will return an empty input stream
47 // because it has already been parsed
48
49 return _lis.getCachedInputStream();
50 }
51 }
52
53 private HttpServletRequest _request;
54 private LiferayInputStream _lis = null;
55
56 }