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 }