Java tutorial
/** * Copyright (C) 2000 - 2013 Silverpeas * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * As a special exception to the terms and conditions of version 3.0 of * the GPL, you may redistribute this Program in connection with Free/Libre * Open Source Software ("FLOSS") applications as described in Silverpeas's * FLOSS exception. You should have received a copy of the text describing * the FLOSS exception, and it is also available here: * "http://www.silverpeas.org/docs/core/legal/floss_exception.html" * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.silverpeas.silvercrawler.servlets; import com.silverpeas.session.SessionInfo; import com.silverpeas.session.SessionManagement; import com.silverpeas.session.SessionManagementFactory; import com.silverpeas.silvercrawler.control.SilverCrawlerSessionController; import com.silverpeas.silvercrawler.control.UploadItem; import com.silverpeas.silvercrawler.control.UploadReport; import com.silverpeas.util.StringUtil; import org.silverpeas.servlet.FileUploadUtil; import com.stratelia.silverpeas.silvertrace.SilverTrace; import com.stratelia.webactiv.util.FileRepositoryManager; import org.apache.commons.fileupload.FileItem; import org.apache.commons.io.FileUtils; import org.apache.commons.io.FilenameUtils; import org.silverpeas.servlet.HttpRequest; import javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.File; import java.io.IOException; import java.util.List; /** * Class declaration * @author */ public class DragAndDrop extends HttpServlet { private static final long serialVersionUID = 1L; @Override public void init(ServletConfig config) { try { super.init(config); } catch (ServletException se) { SilverTrace.fatal("silverCrawler", "DragAndDrop.init", "peasUtil.CANNOT_ACCESS_SUPERCLASS"); } } @Override public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { doPost(req, res); } @Override public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { SilverTrace.info("silverCrawler", "DragAndDrop.doPost", "root.MSG_GEN_ENTER_METHOD"); HttpRequest request = HttpRequest.decorate(req); request.setCharacterEncoding("UTF-8"); if (!request.isContentInMultipart()) { res.getOutputStream().println("SUCCESS"); return; } try { String sessionId = request.getParameter("SessionId"); String instanceId = request.getParameter("ComponentId"); String ignoreFolders = request.getParameter("IgnoreFolders"); SessionManagementFactory factory = SessionManagementFactory.getFactory(); SessionManagement sessionManagement = factory.getSessionManagement(); SessionInfo session = sessionManagement.getSessionInfo(sessionId); SilverCrawlerSessionController sessionController = session .getAttribute("Silverpeas_SilverCrawler_" + instanceId); // build report UploadReport report = sessionController.getLastUploadReport(); if (report == null) { report = new UploadReport(); sessionController.setLastUploadReport(report); } // if first part of upload, needs to generate temporary path File savePath = report.getRepositoryPath(); if (report.getRepositoryPath() == null) { savePath = FileUtils.getFile(FileRepositoryManager.getTemporaryPath(), "tmpupload", ("SilverWrawler_" + System.currentTimeMillis())); report.setRepositoryPath(savePath); } // Loop items List<FileItem> items = request.getFileItems(); for (FileItem item : items) { if (!item.isFormField()) { String fileUploadId = item.getFieldName().substring(4); String unixParentPath = FilenameUtils.separatorsToUnix( FileUploadUtil.getParameter(items, "relpathinfo" + fileUploadId, null)); File parentPath = FileUtils.getFile(unixParentPath); // if ignoreFolder is activated, no folders are permitted if (StringUtil.isDefined(parentPath.getName()) && StringUtil.getBooleanValue(ignoreFolders)) { report.setFailed(true); report.setForbiddenFolderDetected(true); break; } // Get the file path and name File fileName = FileUtils.getFile(parentPath, FileUploadUtil.getFileName(item)); // Logging the name of the file SilverTrace.info("importExportPeas", "Drop.doPost", "root.MSG_GEN_PARAM_VALUE", "fileName = " + fileName.getName()); // Registering in the temporary location File fileToSave = FileUtils.getFile(savePath, fileName.getPath()); fileToSave.getParentFile().mkdirs(); item.write(fileToSave); // Save info into report UploadItem uploadItem = new UploadItem(); uploadItem.setFileName(fileName.getName()); uploadItem.setParentRelativePath(fileName.getParentFile()); report.addItem(uploadItem); } else { SilverTrace.info("importExportPeas", "Drop.doPost", "root.MSG_GEN_PARAM_VALUE", "item = " + item.getFieldName() + " - " + item.getString()); } } } catch (Exception e) { SilverTrace.debug("importExportPeas", "Drop.doPost", "root.MSG_GEN_PARAM_VALUE", e); res.getOutputStream().println("ERROR"); return; } res.getOutputStream().println("SUCCESS"); } }