Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package Controllers; import Models.User; import java.io.IOException; import java.io.PrintWriter; import java.sql.SQLException; import java.util.logging.Level; import java.util.logging.Logger; 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.json.simple.JSONArray; import org.json.simple.JSONObject; /** * * @author Caine */ @WebServlet(name = "ProfileController", urlPatterns = { "/ProfileController" }) public class ProfileController 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, SQLException, ClassNotFoundException { if ("GET_PROFILE".equals(request.getParameter("TASK"))) { //Returns a user as a JSON string from a user ID String userID = request.getParameter("user_id"); User user = new User(); user.setFacebookID(userID); user = user.getUser(); //GET RIDES TAKEN AND GIVEN HERE //user.updateGivenAndTaken(); JSONObject jsonUser = user.toJSON(); response.setContentType("application/json"); PrintWriter out = response.getWriter(); out.append(jsonUser.toString()); //Might be toString instead out.flush(); } else if ("UPDATE_CAR".equals(request.getParameter("TASK"))) { //Returns a user as a JSON string from a user ID String userID = request.getParameter("user_id"); User user = new User(); user.setFacebookID(userID); user = user.getUser(); String newBrand = request.getParameter("car_brand"); String newModel = request.getParameter("car_model"); String newColour = request.getParameter("car_colour"); String newLicence = request.getParameter("licence_plate"); user.setCarBrand(newBrand); user.setCarModel(newModel); user.setCarColour(newColour); user.setLicencePlate(newLicence); user.updateDB(); response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); out.append("Profile Updated"); //Might be toString instead out.flush(); } } // <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 { try { processRequest(request, response); } catch (SQLException ex) { Logger.getLogger(ProfileController.class.getName()).log(Level.SEVERE, null, ex); } catch (ClassNotFoundException ex) { Logger.getLogger(ProfileController.class.getName()).log(Level.SEVERE, null, ex); } } /** * 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 { try { processRequest(request, response); } catch (SQLException ex) { Logger.getLogger(ProfileController.class.getName()).log(Level.SEVERE, null, ex); } catch (ClassNotFoundException ex) { Logger.getLogger(ProfileController.class.getName()).log(Level.SEVERE, null, ex); } } /** * Returns a short description of the servlet. * * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }