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 }