| LiferayServletRequest.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.upload;
24
25 import java.io.IOException;
26
27 import javax.servlet.ServletInputStream;
28 import javax.servlet.http.HttpServletRequest;
29 import javax.servlet.http.HttpServletRequestWrapper;
30
31 /**
32 * <a href="LiferayServletRequest.java.html"><b><i>View Source</i></b></a>
33 *
34 * @author Brian Myunghun Kim
35 * @author Brian Wing Shun Chan
36 *
37 */
38 public class LiferayServletRequest extends HttpServletRequestWrapper {
39
40 public LiferayServletRequest(HttpServletRequest request) {
41 super(request);
42
43 _request = request;
44 }
45
46 public ServletInputStream getInputStream() throws IOException {
47 if (_lis == null) {
48 _lis = new LiferayInputStream(_request);
49
50 return _lis;
51 }
52 else {
53
54 // Return the cached input stream the second time the user requests
55 // the input stream, otherwise, it will return an empty input stream
56 // because it has already been parsed
57
58 return _lis.getCachedInputStream();
59 }
60 }
61
62 private HttpServletRequest _request;
63 private LiferayInputStream _lis = null;
64
65 }