01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.util.servlet.fileupload;
22:
23: import java.io.IOException;
24:
25: import javax.servlet.ServletInputStream;
26: import javax.servlet.http.HttpServletRequest;
27: import javax.servlet.http.HttpServletRequestWrapper;
28:
29: /**
30: * <a href="LiferayServletRequest.java.html"><b><i>View Source</i></b></a>
31: *
32: * @author Brian Myunghun Kim
33: * @author Brian Wing Shun Chan
34: *
35: */
36: public class LiferayServletRequest extends HttpServletRequestWrapper {
37:
38: public LiferayServletRequest(HttpServletRequest req) {
39: super (req);
40:
41: _req = req;
42: }
43:
44: public ServletInputStream getInputStream() throws IOException {
45: if (_lis == null) {
46: _lis = new LiferayInputStream(_req);
47:
48: return _lis;
49: } else {
50:
51: // Return the cached input stream the second time the user requests
52: // the input stream, otherwise, it will return an empty input stream
53: // because it has already been parsed
54:
55: return _lis.getCachedInputStream();
56: }
57: }
58:
59: private HttpServletRequest _req;
60: private LiferayInputStream _lis = null;
61:
62: }
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