Java tutorial
/** * Copyright (c) 2000-2005 Liferay, LLC. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package org.apache.commons.fileupload; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; /** * <a href="LiferayDiskFileUpload.java.html"><b><i>View Source</i></b></a> * * @author Brian Kim * @author Brian Wing Shun Chan * @version $Revision: 1.6 $ * */ public class LiferayDiskFileUpload extends ServletFileUpload { public static final String FILE_NAME = LiferayDiskFileUpload.class.getName() + "_FILE_NAME"; public static final String PERCENT = LiferayDiskFileUpload.class.getName() + "_PERCENT"; public LiferayDiskFileUpload(DiskFileItemFactory fileItemFactory, HttpServletRequest req) { super(fileItemFactory); fileItemFactory.setSizeThreshold(51200); _req = req; _ses = req.getSession(); } public List parseRequest(HttpServletRequest req) throws FileUploadException { _ses.removeAttribute(LiferayDiskFileUpload.FILE_NAME); _ses.removeAttribute(LiferayDiskFileUpload.PERCENT); return super.parseRequest(new LiferayServletRequest(req)); } protected FileItem createItem(Map headers, boolean formField) throws FileUploadException { LiferayFileItem item = (LiferayFileItem) super.createItem(headers, formField); String fileName = item.getFileName(); if (fileName != null) { _ses.setAttribute(LiferayDiskFileUpload.FILE_NAME, fileName); } return item; } private HttpServletRequest _req; private HttpSession _ses; }