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. */ import java.io.File; import java.io.IOException; import java.io.PrintWriter; import static java.lang.System.out; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.util.Iterator; import java.util.List; 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 javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import javax.servlet.http.Part; import model.Login; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileItemFactory; import org.apache.commons.fileupload.FileUploadException; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import org.apache.commons.io.FilenameUtils; import org.apache.commons.io.output.*; import org.hibernate.Criteria; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; /** * * @author rushin */ public class cust_photo_upload extends HttpServlet { /** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> * methods. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); HttpSession hs = request.getSession(); try (PrintWriter out = response.getWriter()) { Login ln = (Login) hs.getAttribute("user"); String pname = ln.getUName(); String p = ""; // // creates FileItem instances which keep their content in a temporary file on disk FileItemFactory factory = new DiskFileItemFactory(); // Create a new file upload handler ServletFileUpload upload = new ServletFileUpload(factory); //get the list of all fields from request List<FileItem> fields = upload.parseRequest(request); // iterates the object of list Iterator<FileItem> it = fields.iterator(); //getting objects one by one while (it.hasNext()) { //assigning coming object if list to object of FileItem FileItem fileItem = it.next(); //check whether field is form field or not boolean isFormField = fileItem.isFormField(); if (isFormField) { //get the filed name String fieldName = fileItem.getFieldName(); } else { String extension; String fieldName = fileItem.getFieldName(); if (fieldName.equals("photo")) ; { //getting name of file p = new File(fileItem.getName()).getName(); //get the extension of file by diving name into substring extension = p.substring(p.indexOf(".") + 1, p.length()); ; //rename file...concate name and extension p = pname + "." + extension; try { String filePath = this.getServletContext().getRealPath("/images") + "\\"; fileItem.write(new File(filePath + p)); } catch (Exception ex) { out.println(ex.toString()); } } } } // hs.setAttribute("photo", photo); // SessionFactory sf=NewHibernateUtil.getSessionFactory(); // Session s=sf.openSession(); // Transaction t=s.beginTransaction(); // Imagedata im=new Imagedata(); // im.setIname(pname); // im.setIurl(photo); // s.save(im); // t.commit(); // RequestDispatcher rd = request.getRequestDispatcher("viewserv"); rd.forward(request, response); // response.sendRedirect("viewserv"); } catch (Exception ex) { out.println(ex.getMessage()); } } // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code."> /** * Handles the HTTP <code>GET</code> method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Handles the HTTP <code>POST</code> method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Returns a short description of the servlet. * * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }