Package mobileAPI

Source Code of mobileAPI.LoginServlet

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

import entity.User;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import jpa.controllers.UserJpaController;

/**
*
* @author Geymen
*/
public class LoginServlet 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
     */
    public void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
      
        // Get request parameters
        String userEmail = request.getParameter("email");
        String userPassword = request.getParameter("password");
        String result = "";
        User user = null;
       
        UserJpaController jpaController = new UserJpaController();
        user = jpaController.loginUser(userEmail, userPassword);
       
        if(user != null) {
            result = "login_successful";
        }
       
        try {
            // Login successful
            if (result.equals("login_successful")) {
                out.println(user.getId().toString());
                System.out.println("login success");
            }
            // Login failed
            else {
                out.print("-1");
                System.out.println("login fail");
            }
        } finally {           
            out.close();
        }
    }

    // <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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