Controller.ControllerImage.java Source code

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Here is the source code for Controller.ControllerImage.java

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/*
 * 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 Controller;

import Model.Products;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Hashtable;
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.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
 *
 * @author phuoc
 */
public class ControllerImage 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");
        PrintWriter out = response.getWriter();

    }

    // <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 {

    }

    /**
     * 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 {

        boolean isMultipart = ServletFileUpload.isMultipartContent(request);
        if (!isMultipart) {

        } else {
            FileItemFactory factory = new DiskFileItemFactory();
            ServletFileUpload upload = new ServletFileUpload(factory);
            List items = null;
            try {
                items = upload.parseRequest(request);
            } catch (Exception e) {
                e.printStackTrace();
            }
            Iterator iter = items.iterator();
            Hashtable params = new Hashtable();
            String fileName = null;
            while (iter.hasNext()) {
                FileItem item = (FileItem) iter.next();
                if (item.isFormField()) {
                    params.put(item.getFieldName(), item.getString());
                } else {

                    try {
                        String itemName = item.getName();
                        fileName = itemName.substring(itemName.lastIndexOf("\\") + 1);
                        String RealPath = getServletContext().getRealPath("/") + "upload\\" + fileName;
                        String code = (String) params.get("txtCode");
                        String name = (String) params.get("txtName");
                        String price = (String) params.get("txtPrice");
                        int a = Integer.parseInt(price);
                        String image = (String) params.get("txtImage");
                        //Update  product
                        if (fileName.equals("")) {

                            Products sp = new Products();
                            sp.Update(code, name, price, image);
                            RequestDispatcher rd = request.getRequestDispatcher("product.jsp");
                            rd.forward(request, response);

                        } else {
                            // bat dau ghi file
                            File savedFile = new File(RealPath);
                            item.write(savedFile);
                            //ket thuc ghi
                            Products sp = new Products();
                            sp.Update(code, name, price, "upload\\" + fileName);

                            RequestDispatcher rd = request.getRequestDispatcher("product.jsp");
                            rd.forward(request, response);
                        }

                    } catch (Exception e) {
                        RequestDispatcher rd = request.getRequestDispatcher("InformationError.jsp");
                        rd.forward(request, response);
                    }
                }

            }
        }

        this.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>

}