LiferayServletRequest.java |
1 /** 2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 3 * 4 * The contents of this file are subject to the terms of the Liferay Enterprise 5 * Subscription License ("License"). You may not use this file except in 6 * compliance with the License. You can obtain a copy of the License by 7 * contacting Liferay, Inc. See the License for the specific language governing 8 * permissions and limitations under the License, including but not limited to 9 * distribution rights of the Software. 10 * 11 * 12 * 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 }