cr.ac.una.prograiv.moviestar.controller.CarritoServlet.java Source code

Introduction

Here is the source code for cr.ac.una.prograiv.moviestar.controller.CarritoServlet.java

Source

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package cr.ac.una.prograiv.moviestar.controller;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import cr.ac.una.prograiv.moviestar.bl.CatalogosBL;
import cr.ac.una.prograiv.moviestar.domain.Catalogos;
import cr.ac.una.prograiv.moviestar.domain.CatalogosAdapter;
import cr.ac.una.prograiv.moviestar.domain.Categorias;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Byron
 */
public class CarritoServlet 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();
        try {
            //String para guardar el JSON generaro por al libreria GSON
            String json;
            //Se crea el objeto Persona
            Catalogos c = new Catalogos();

            GsonBuilder b = new GsonBuilder();

            Gson gson = b.registerTypeAdapter(Catalogos.class, new CatalogosAdapter()).create();

            //Se crea el objeto de la logica de negocio
            CatalogosBL cBL = new CatalogosBL();

            //Se hace una pausa para ver el modal
            Thread.sleep(1000);

            //**********************************************************************
            //se consulta cual accion se desea realizar
            //**********************************************************************

            String accion = request.getParameter("accion");
            HttpSession sesion = request.getSession();
            switch (accion) {
            case "add": //Una pelicula o serie no deberia poder ser modificada
                c.setCId(Integer.parseInt(request.getParameter("id")));
                c.setCNombre(request.getParameter("nombre"));
                c.setCPrecAlqu(Float.parseFloat(request.getParameter("precioAlq")));
                c.setCPrecComp(Float.parseFloat(request.getParameter("precioCom")));
                synchronized (sesion) {
                    List<Catalogos> list = (List<Catalogos>) sesion.getAttribute("car");
                    if (list == null) {
                        list = new ArrayList<>();
                        sesion.setAttribute("car", list);
                    }
                    list.add(c);
                    out.print("El elemento se aadi al carrito");
                }
                break;
            case "get":
                List<Catalogos> l = (List<Catalogos>) sesion.getAttribute("car");

                json = new Gson().toJson(l);
                out.print(json);
                break;
            default:
                out.print("E~No se indico la accin que se desea realizar");
                break;
            }

        } catch (NumberFormatException | InterruptedException e) {
            out.print("E~" + e.getMessage());
        }
    }

    // <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>

}