com.senior.g40.servlet.RescuerAppInServlet.java Source code

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Here is the source code for com.senior.g40.servlet.RescuerAppInServlet.java

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/*
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package com.senior.g40.servlet;

import com.senior.g40.model.Accident;
import com.senior.g40.model.Profile;
import com.senior.g40.service.AccidentService;
import com.senior.g40.service.UserService;
import com.senior.g40.utils.A;
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 org.json.JSONArray;

/**
 *
 * @author PNattawut
 */
public class RescuerAppInServlet 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
     */
    private HttpServletRequest request;
    private HttpServletResponse response;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        this.request = request;
        this.response = response;
        AccidentService accService = AccidentService.getInstance();
        UserService usrService = UserService.getInstance();
        String option = request.getParameter("opt");
        switch (option) {
        case "login": //1. Rescuer Login Section START ---- 
            Profile pf = usrService.login(request.getParameter("usrn"), request.getParameter("pswd"),
                    request.getParameter("utyp").charAt(0)); //Or constant 'T'
            request.setAttribute("result", usrService.convertProfileToJSON(pf));
            to(A.Path.JSP_RESULT_DIR + "result.jsp");
            break; //1.END ---- 
        case "getaccs":
            List<Accident> accidents = accService.getAllAccidents();
            if (accidents != null) {
                JSONArray accJSONArray = null;
                if (accJSONArray == null) {
                    accJSONArray = new JSONArray(accidents);
                }
                request.setAttribute("result", accJSONArray);
            } else {
                request.setAttribute("result", "WOW");
            }
            to(A.Path.JSP_RESULT_DIR + "result.jsp");
            break;
        default:
            return;
        }
    }

    private void to(String destination) throws ServletException, IOException {
        getServletContext().getRequestDispatcher(destination).forward(request, response);
    }

    private String getS(String param) {
        return request.getParameter(param);
    }

    private long getL(String param) {
        return Long.valueOf(request.getParameter(param));
    }

    private float getF(String param) {
        return Float.valueOf(request.getParameter(param));
    }

    // <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>

}