Servlet - DodavanjePrimeraka

package servlets;

import java.io.IOException;
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 managers.JPAUtil;
import managers.KnjigaManager;
import model.Knjiga;

/**
 * Servlet implementation class DodavanjePrimerakaServlet
 */
public class DodavanjePrimerakaServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public DodavanjePrimerakaServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        Knjiga knjiga = (Knjiga)request.getSession().getAttribute("knjiga");
        String brojPrimeraka = request.getParameter("brojPrimeraka");
        int brojPrimerakaInt = Integer.parseInt(brojPrimeraka);
        List<Integer> invBrojevi = new KnjigaManager()
            .addPrimeraks(JPAUtil.getEntityManager(), knjiga, brojPrimerakaInt);
        request.setAttribute("snimanjePrimeraka", true);
        request.setAttribute("invBrojevi", invBrojevi);
        RequestDispatcher rd = request.getServletContext().getRequestDispatcher("/unos/unosPrimeraka.jsp");
        rd.forward(request, response);

    }

}