| LiferayServletRequest.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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 public class LiferayServletRequest extends HttpServletRequestWrapper {
38
39 public LiferayServletRequest(HttpServletRequest request) {
40 super(request);
41
42 _request = request;
43 }
44
45 public ServletInputStream getInputStream() throws IOException {
46 if (_lis == null) {
47 _lis = new LiferayInputStream(_request);
48
49 return _lis;
50 }
51 else {
52
53 // Return the cached input stream the second time the user requests
54 // the input stream, otherwise, it will return an empty input stream
55 // because it has already been parsed
56
57 return _lis.getCachedInputStream();
58 }
59 }
60
61 private HttpServletRequest _request;
62 private LiferayInputStream _lis = null;
63
64 }