Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package Functions; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.logging.Level; import java.util.logging.Logger; 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.FileItemIterator; import org.apache.commons.fileupload.FileItemStream; import org.apache.commons.fileupload.FileUploadException; import org.apache.commons.fileupload.servlet.ServletFileUpload; /** * * @author john */ public class UploadFileServlet extends HttpServlet { @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String houseId = ""; String owner = (String) request.getSession().getAttribute("username"); String url = "/errorPage.jsp"; String message = "fgd"; //System.out.println("houseId= "+houseId); //System.out.println("owner= "+owner); response.setContentType("text/html"); boolean isMultipart = ServletFileUpload.isMultipartContent(request); if (isMultipart) { ServletFileUpload upload = new ServletFileUpload(); try { FileItemIterator itr = upload.getItemIterator(request); while (itr.hasNext()) { FileItemStream item = itr.next(); if (item.isFormField()) { //do something String fieldName = item.getFieldName(); InputStream is = item.openStream(); byte b[] = new byte[is.available()]; is.read(b); String value = new String(b); if ("houseIddd".equals(fieldName)) { houseId = value; } response.getWriter().println(fieldName + ":" + value + "<br/>"); } else { System.out.println("MPHKE STO ELSE GIA NA BALEI SPITIA"); //upload file String path = getServletContext().getRealPath("/"); //String path = getServletContext().getContextPath()+"/"; if (FileUpload.processFile(path, item, houseId, owner)) { System.out.println("MPHKE STO processfile!"); //response.getWriter().println("file uploaded successfully"); message = "file uploaded successfully"; url = "/Estateprofile.jsp?houseId=" + houseId + "&houseOwner=" + owner + "&message=" + message; } else { message = "file uploading failed"; url = "/Estateprofile.jsp?houseId=" + houseId + "&houseOwner=" + owner + "&message=" + message; //response.getWriter().println("file uploading failed"); } } } } catch (FileUploadException ex) { ex.printStackTrace(); //Logger.getLogger(UploadFileServlet.class.getName()).log(Level.SEVERE, null, ex); } RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url); dispatcher.forward(request, response); } } }