com.bios.controller.services.StartRoundService.java Source code

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Here is the source code for com.bios.controller.services.StartRoundService.java

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/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.bios.controller.services;

import com.bios.controller.BiddingRoundServlet;
import com.bios.utilities.ConnectionManager;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import is203.JWTException;
import is203.JWTUtility;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Represents a JSON Web Service for Start Round
 * @author Marc
 */
public class StartRoundService extends HttpServlet {

    // <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 which starts a bidding round. It checks that the user is a verified admin
     * and proceeds to start the round if the round is not yet started. Subsequently, it creates a json object with the status
     * "success" and stores the current bidding round. However, if round 2 has already ended, it creates a json object with the
     * status "error" and stores the error message "round 2 ended" in a json array. Additionally, if the user is not a verified admin with a valid
     * token, it creates a json object with the status "error" and stores the error message in a json array "invalid username/token".
     *
     * @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 doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        //      String token = request.getParameter("token");

        JsonObject object = new JsonObject();
        if (request.getParameter("token") == null) {
            JsonArray array = new JsonArray();
            object.addProperty("status", "error");
            array.add(new JsonPrimitive("missing token"));
            object.add("message", array);

        } else if (request.getParameter("token").length() == 0) {

            JsonArray array = new JsonArray();
            object.addProperty("status", "error");
            array.add(new JsonPrimitive("blank token"));
            object.add("message", array);

        } else {
            String token = request.getParameter("token");
            try {
                String result = JWTUtility.verify(token, "abcdefgh12345678");
                if (result.equals("admin")) {

                    JsonArray array = new JsonArray();
                    ConnectionManager manager = new ConnectionManager();
                    if (manager.getBiddingRoundStatus().equals("started")) {
                        // Stop the round here
                        object.addProperty("status", "success");
                        object.add("round", new JsonPrimitive(manager.getBiddingRound()));
                    } else if (manager.getBiddingRound() == 1) {
                        BiddingRoundServlet.incrementBiddingRound("true");
                        object.addProperty("status", "success");
                        object.add("round", new JsonPrimitive(manager.getBiddingRound()));

                    } else {
                        object.addProperty("status", "error");
                        array.add(new JsonPrimitive("round 2 ended"));
                        object.add("message", array);
                    }
                }
            } catch (JWTException e) {
                // This means not an admin, or token expired
                JsonArray array = new JsonArray();
                JsonPrimitive value = new JsonPrimitive("invalid token");
                array.add(value);
                object.addProperty("status", "error");
                object.add("message", array);
            }
        }

        System.out.println(object);

        response.setContentType(

                "application/json");
        response.getWriter()

                .write(object.toString());
    }

    /**
     * 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
     */

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */

    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}