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.text.SimpleDateFormat; import java.util.Iterator; import java.util.List; import java.util.Properties; 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.oscarehr.util.MiscUtils; public class DocumentMgtUploadServlet extends HttpServlet { final static int BUFFER = 2048; public java.util.Date today; public String output; public SimpleDateFormat formatter; public void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { formatter = new SimpleDateFormat("yyyyMMddHmmss"); today = new java.util.Date(); output = formatter.format(today); String foldername = "", fileheader = "", forwardTo = ""; // Get properties from oscar_mcmaster.properties Properties ap = OscarProperties.getInstance(); forwardTo = ap.getProperty("DOC_FORWARD"); foldername = ap.getProperty("DOCUMENT_DIR"); if (forwardTo == null || forwardTo.length() < 1) return; // Create a new file upload handler DiskFileUpload upload = new DiskFileUpload(); try { // Parse the request List items = upload.parseRequest(request); // Process the uploaded items Iterator iter = items.iterator(); while (iter.hasNext()) { FileItem item = (FileItem) iter.next(); if (item.isFormField()) { //String name = item.getFieldName(); //String value = item.getString(); } else { String pathName = item.getName(); String[] fullFile = pathName.split("[/|\\\\]"); File savedFile = new File(foldername, output + fullFile[fullFile.length - 1]); fileheader = output + fullFile[fullFile.length - 1]; item.write(savedFile); } } } catch (FileUploadException e) { // TODO Auto-generated catch block MiscUtils.getLogger().error("Error", e); } catch (Exception e) { // TODO Auto-generated catch block MiscUtils.getLogger().error("Error", e); } /* ServletInputStream sis = request.getInputStream(); BufferedOutputStream dest = null; FileOutputStream fos = null; boolean bwri = false; boolean bfbo = true; boolean benddata = false; boolean bf = false; byte boundary[] = temp.getBytes(); while (bf?true:((count = sis.readLine(data, 0, BUFFER)) != -1)) { bf = false; benddata = false; if(count==2 && data[0]==13 && data[1]==10) { enddata[0] = 13; enddata[1] = 10; for(int i=0;i<BUFFER;i++) data[i]=0; count = sis.readLine(data, 0, BUFFER); if(count==2 && data[0]==13 && data[1]==10) { dest.write(enddata, 0, 2); bf = true; continue; } else { benddata = true; } } String s = new String(data,2,temp.length()); if(temp.equals(s)) { if(benddata) break; if((c =sis.readLine(data1, 0, BUFFER)) != -1) { filename = new String(data1); if(filename.length()>2 && filename.indexOf("filename")!=-1) { filename = filename.substring(filename.lastIndexOf("filename=\"") + "filename\"".length() +1, filename.lastIndexOf('"')); filename = filename.substring(filename.lastIndexOf('\\')+1, filename.length()); fileheader = output + filename; fos = new FileOutputStream(foldername+ output + filename); dest = new BufferedOutputStream(fos, BUFFER); } c =sis.readLine(data2, 0, BUFFER); if((c =sis.readLine(data2, 0, BUFFER)) != -1) { bwri = bfbo?true:false; } } bfbo = bfbo?false:true; for(int i=0;i<BUFFER;i++) data[i]=0; continue; } //end period if(benddata) { benddata = false; dest.write(enddata, 0, 2); for(int i=0;i<2;i++) enddata[i]=0; } if(bwri) { dest.write(data, 0, count); for(int i=0;i<BUFFER;i++) data[i]=0; } } //end while //dest.flush(); fos.close(); dest.close(); sis.close(); */ DocumentBean documentBean = new DocumentBean(); request.setAttribute("documentBean", documentBean); documentBean.setFilename(fileheader); // documentBean.setFileDesc(filedesc); // documentBean.setFoldername(foldername); // documentBean.setFunction(function); // documentBean.setFunctionID(function_id); // documentBean.setCreateDate(fileheader); // documentBean.setDocCreator(creator); // Call the output page. RequestDispatcher dispatch = getServletContext().getRequestDispatcher(forwardTo); dispatch.forward(request, response); } }