controller.KlantController.java Source code

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Here is the source code for controller.KlantController.java

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package controller;

import Service.KlantenService;
import java.io.IOException;
import java.io.PrintWriter;
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.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import POJO.Klant;

import javax.servlet.RequestDispatcher;

@WebServlet("/KlantController")
public class KlantController extends HttpServlet {
    private static final long serialVersionUID = 1L;
    private static String INSERT_OR_EDIT = "/klant.jsp";
    private static String LIST_KLANT = "/listKlant.jsp";
    private KlantenService dao = new KlantenService();

    //@RequestMapping(method=RequestMethod.GET)
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String forward = "";
        String action = request.getParameter("action");

        if (action.equalsIgnoreCase("delete")) {
            int idKlant = Integer.parseInt(request.getParameter("idKlant"));
            dao.deleteKlantById(idKlant);
            forward = LIST_KLANT;
            request.setAttribute("klanten", dao.readAlleKlanten());
        } else if (action.equalsIgnoreCase("edit")) {
            forward = INSERT_OR_EDIT;
            int idKlant = Integer.parseInt(request.getParameter("idKlant"));
            Klant klant = dao.readKlantOpId(idKlant);
            request.setAttribute("klant", klant);
        } else if (action.equalsIgnoreCase("listKlant")) {
            forward = LIST_KLANT;
            request.setAttribute("klanten", dao.readAlleKlanten());
        } else {
            forward = INSERT_OR_EDIT;
        }

        RequestDispatcher view = request.getRequestDispatcher(forward);
        view.forward(request, response);
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        Klant klant = new Klant();
        klant.setVoornaam(request.getParameter("voornaam"));
        klant.setTussenvoegsel(request.getParameter("tussenvoegsel"));
        klant.setAchternaam(request.getParameter("achternaam"));
        klant.setEmail(request.getParameter("email"));
        String idKlant = request.getParameter("idKlant");
        if (idKlant == null || idKlant.isEmpty()) {
            dao.createKlant(klant);
        } else {
            klant.setIdKlant(Integer.parseInt(idKlant));
            dao.updateKlant(klant);
        }
        RequestDispatcher view = request.getRequestDispatcher(LIST_KLANT);
        request.setAttribute("klanten", dao.readAlleKlanten());
        view.forward(request, response);
    }
}