Java tutorial
/** * Copyright (c) 2015 TerraFrame, Inc. All rights reserved. * * This file is part of Runway SDK(tm). * * Runway SDK(tm) is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * Runway SDK(tm) 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Runway SDK(tm). If not, see <http://www.gnu.org/licenses/>. */ package com.runwaysdk.web; import java.io.IOException; import java.io.InputStream; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.FileItemFactory; import org.apache.commons.fileupload.FileItemIterator; import org.apache.commons.fileupload.FileItemStream; import org.apache.commons.fileupload.FileUploadException; import org.apache.commons.fileupload.servlet.ServletFileUpload; import com.runwaysdk.business.BusinessDTO; import com.runwaysdk.constants.ClientConstants; import com.runwaysdk.constants.ClientRequestIF; import com.runwaysdk.dataaccess.io.FileWriteExceptionDTO; import com.scand.fileupload.ProgressMonitorFileItemFactory; public class SecureFileUploadServlet extends FileUploadServlet { /** * Eclipse auto generated id */ private static final long serialVersionUID = 4321135637358960948L; protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { ClientRequestIF clientRequest = (ClientRequestIF) req.getAttribute(ClientConstants.CLIENTREQUEST); boolean isMultipart = ServletFileUpload.isMultipartContent(req); if (!isMultipart) { // TODO Change exception type String msg = "The HTTP Request must contain multipart content."; throw new RuntimeException(msg); } String fileId = req.getParameter("sessionId").toString().trim(); FileItemFactory factory = new ProgressMonitorFileItemFactory(req, fileId); ServletFileUpload upload = new ServletFileUpload(); upload.setFileItemFactory(factory); try { // Parse the request FileItemIterator iter = upload.getItemIterator(req); while (iter.hasNext()) { FileItemStream item = iter.next(); if (!item.isFormField()) { String fullName = item.getName(); int extensionInd = fullName.lastIndexOf("."); String fileName = fullName.substring(0, extensionInd); String extension = fullName.substring(extensionInd + 1); InputStream stream = item.openStream(); BusinessDTO fileDTO = clientRequest.newSecureFile(fileName, extension, stream); // return the vault id to the dhtmlxVault callback req.getSession().setAttribute("FileUpload.Progress." + fileId, fileDTO.getId()); } } } catch (FileUploadException e) { throw new FileWriteExceptionDTO(e.getLocalizedMessage()); } catch (RuntimeException e) { req.getSession().setAttribute("FileUpload.Progress." + fileId, "fail: " + e.getLocalizedMessage()); } } @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { doPost(req, resp); } }