geo.controller.LoadDataServlet.java Source code

Introduction

Here is the source code for geo.controller.LoadDataServlet.java

Source

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

package geo.controller;

import geo.model.*;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import java.sql.SQLException;
import java.util.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.simple.JSONArray;

/**
 *
 * @author kennethliong
 */
public class LoadDataServlet 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("application/json");
        PrintWriter out = response.getWriter();

        try {
            ArrayList<Transaction> transactionList = TransactionDAO.getTransactionList();

            JSONArray jsonArray = new JSONArray();
            int index = 0;

            //hardcode to remove error in geocode
            for (int i = 0; i < transactionList.size(); i++) {
                if (transactionList.get(i).postalCode.equals("158744")) {
                    continue;
                }
                jsonArray.add(index++, transactionList.get(i).getJSONObject());
            }

            out.println(jsonArray.toJSONString());

        } catch (Exception ex) {
            ex.printStackTrace();
        }

    }

    // <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>

}