adminpackage.adminview.UpdateProductServlet.java Source code

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Here is the source code for adminpackage.adminview.UpdateProductServlet.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 adminpackage.adminview;

import Facade.AdminFacadeHandler;
import adminpackage.adminmodel.AdminUpdateProductWrapper;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import java.util.UUID;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
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.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import websitemodel.databaseDTO.Product;

/**
 *
 * @author TOSHIBA
 */
@WebServlet(name = "UpdateProductServlet", urlPatterns = { "/UpdateProductServlet" })
public class UpdateProductServlet 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
     */

    AdminFacadeHandler adminFacadeHandler;
    ServletContext context;

    @Override
    public void init(ServletConfig config) throws ServletException {
        context = config.getServletContext();
        super.init(config); //To change body of generated methods, choose Tools | Templates.
        adminFacadeHandler = new AdminFacadeHandler();
    }

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        //response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();

        String value = "defa";
        AdminUpdateProductWrapper product = new AdminUpdateProductWrapper();

        try {
            DiskFileItemFactory factory = new DiskFileItemFactory();
            ServletFileUpload upload = new ServletFileUpload(factory);
            List<FileItem> items = upload.parseRequest(request);
            Iterator itr = items.iterator();
            String url = "";
            while (itr.hasNext()) {
                FileItem item = (FileItem) itr.next();
                if (item.isFormField()) {
                    String name = item.getFieldName();
                    value = item.getString();
                    switch (name) {
                    case "pid":
                        product.setId(Integer.parseInt(value));
                        break;
                    case "pname":
                        product.setName(value);
                        break;
                    case "quantity":
                        product.setQuantity(Integer.parseInt(value));
                        break;
                    case "author":
                        product.setAuthor(value);
                        break;
                    case "isbn":
                        product.setISBN(Long.parseLong(value));
                        break;
                    case "description":
                        product.setDescription(value);
                        break;
                    case "category":
                        product.setCategory(value);
                        break;
                    case "price":
                        product.setPrice(Integer.parseInt(value));
                        break;
                    }
                } else {

                    try {
                        if (item.getName().length() > 0) {
                            item.write(new File(context.getRealPath("/pages/images/").replaceAll(
                                    "\\\\target\\\\MavenOnlineShoping-1.0-SNAPSHOT", "\\\\src\\\\main\\\\webapp")
                                    + item.getName()));
                            //System.out.println(context.getRealPath("/pages/images/").replaceAll("\\\\target\\\\MavenOnlineShoping-1.0-SNAPSHOT", "\\\\src\\\\main\\\\webapp") + item.getName());
                            //url = context.getRealPath("/pages/images/").replaceAll("\\\\target\\\\MavenOnlineShoping-1.0-SNAPSHOT", "\\\\src\\\\main\\\\webapp") + item.getName();
                            UUID idOne = UUID.randomUUID();
                            product.setImage(
                                    idOne.toString() + item.getName().substring(item.getName().length() - 4));
                        }
                    } catch (Exception ex) {
                        Logger.getLogger(UpdateProductServlet.class.getName()).log(Level.SEVERE, null, ex);
                    }
                }
            }
        } catch (FileUploadException ex) {
            Logger.getLogger(UpdateProductServlet.class.getName()).log(Level.SEVERE, null, ex);
        }

        System.out.println("adminpackage.adminview.UpdateProductServlet.processRequest()");
        out.print(adminFacadeHandler.UpdateProduct(product));
        if (value != null) {

        }

    }

    // <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>

}