Java tutorial
/** * Copyright (c) 2001-2002. Department of Family Medicine, McMaster University. All Rights Reserved. * This software is published under the GPL GNU General Public License. * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * This software was written for the * Department of Family Medicine * McMaster University * Hamilton * Ontario, Canada */ package oscar; import java.io.File; import java.io.IOException; import java.util.Iterator; import java.util.List; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.DiskFileUpload; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileUploadException; import org.apache.commons.io.FileUtils; import org.oscarehr.util.MiscUtils; public class DocumentUploadServlet extends HttpServlet { final static int BUFFER = 4096; public void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { String foldername = "", fileheader = "", forwardTo = ""; forwardTo = OscarProperties.getInstance().getProperty("RA_FORWORD"); foldername = OscarProperties.getInstance().getProperty("DOCUMENT_DIR"); String inboxFolder = OscarProperties.getInstance().getProperty("ONEDT_INBOX"); String archiveFolder = OscarProperties.getInstance().getProperty("ONEDT_ARCHIVE"); if (forwardTo == null || forwardTo.length() < 1) return; String providedFilename = request.getParameter("filename"); if (providedFilename != null) { File documentDirectory = new File(foldername); File providedFile = new File(inboxFolder, providedFilename); if (!providedFile.exists()) { providedFile = new File(archiveFolder, providedFilename); } FileUtils.copyFileToDirectory(providedFile, documentDirectory); fileheader = providedFilename; } else { DiskFileUpload upload = new DiskFileUpload(); try { // Parse the request @SuppressWarnings("unchecked") List<FileItem> /* FileItem */ items = upload.parseRequest(request); // Process the uploaded items Iterator<FileItem> iter = items.iterator(); while (iter.hasNext()) { FileItem item = iter.next(); if (item.isFormField()) { // } else { String pathName = item.getName(); String[] fullFile = pathName.split("[/|\\\\]"); File savedFile = new File(foldername, fullFile[fullFile.length - 1]); fileheader = fullFile[fullFile.length - 1]; item.write(savedFile); if (OscarProperties.getInstance().isPropertyActive("moh_file_management_enabled")) { FileUtils.copyFileToDirectory(savedFile, new File(inboxFolder)); } } } } catch (FileUploadException e) { MiscUtils.getLogger().error("Error", e); } catch (Exception e) { MiscUtils.getLogger().error("Error", e); } } DocumentBean documentBean = new DocumentBean(); request.setAttribute("documentBean", documentBean); documentBean.setFilename(fileheader); RequestDispatcher dispatch = getServletContext().getRequestDispatcher(forwardTo); dispatch.forward(request, response); } }