Package Java

Source Code of Java.ServletAddProduct

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package Java;

import Java.ORM.Account;
import Java.ORM.DatabaseORM;
import static Java.ORM.DatabaseORM.entityManagerFactoryString;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.persistence.EntityManager;
import javax.persistence.Persistence;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
*
* @author Mitch
*/
@WebServlet(name = "ServletAddProduct", urlPatterns = {"/ServletAddProduct"})
public class ServletAddProduct extends HttpServlet {
   
    private final int daysBeforeShoppingcartExpires = 365;
    private EntityManager em = Persistence.createEntityManagerFactory(entityManagerFactoryString).createEntityManager();
       
   
    /**
     * 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");
        String photo = (String)request.getSession().getAttribute("photo");
        RequestDispatcher rd = request.getRequestDispatcher("/addproduct.jsp?photo=" + photo);
       
        String curUser = (String)request.getSession().getAttribute("username");
        if (curUser != null) {
            PrintWriter out = response.getWriter();

            String type = (String)request.getParameter("type");
            String product = (String)request.getParameter("product");
           
            Integer amount = readInt(request, "amount");
            if (amount == null) {
                rd.forward(request, response);
                return;
            }

            Integer x = readInt(request, "x");
            if (x == null) {
                rd.forward(request, response);
                return;
            }
           
            Integer y = readInt(request, "y");
            if (y == null) {
                rd.forward(request, response);
                return;
            }
           
            Integer width = readInt(request, "width");
            if(width == null) {
                rd.forward(request, response);
                return;
            }
           
            Integer height = readInt(request, "height");
            if (height == null) {
                rd.forward(request, response);
                return;
            }
           
            Shoppingcart cart = DatabaseORM.getShoppingcart(em, curUser);
            if (cart == null) {
                Account account = DatabaseORM.findAccount(em, curUser);
                cart = new Shoppingcart(account);
            }
           
            try {
                if(photo != null && product != null && type != null) {
                    int photonr = Integer.valueOf(photo);
                    if("sepia".equalsIgnoreCase(type)) {
                        type = "sepia";
                    }else if("black-white".equalsIgnoreCase(type) || "zwart-wit".equalsIgnoreCase(type)) {
                        type = "zwart-wit";
                    }else{
                        type = "kleur";
                    }
                   
                    cart.add(photonr, product, type, amount, x, y, width, height);
                }else{
                    setMessage(request, "Er is een interne fout opgetreden.", "red");
                    rd.forward(request, response);
                    return;
                }
            } catch (IllegalArgumentException iae) {
                setMessage(request, "Er is een interne fout opgetreden.", "red");
                rd.forward(request, response);
                return;  
            } catch (DoublePhotoException ex) {
                setMessage(request, ex.getMessage(), "red");
                rd.forward(request, response);
                return;
            }
           
            DatabaseORM.insertShoppingcart(em, cart);
            setMessage(request, "Het product is succesvol toegevoegd aan uw winkelwagen.", "green");
            rd.forward(request, response);
        } else {
            request.getRequestDispatcher("login.jsp").forward(request, response);
        }
    }
       
    private Integer readInt(HttpServletRequest request, String paramName) {
        String integer = request.getParameter(paramName);
       
        Integer x = null;
        if (integer != null)
            x = Integer.valueOf(integer);

        return x;
    }
   
    private void setMessage(HttpServletRequest request, String message, String color) {
        request.setAttribute("addProductMessage", message);
        request.setAttribute("color", color);
    }
   
   

    // <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>
}
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