Controller.MainClass.java Source code

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Here is the source code for Controller.MainClass.java

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/*
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 */
package Controller;

import Model.DBhandler;
import Model.Data;
import Model.Location;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.net.URL;
import java.sql.SQLException;
import java.util.ArrayList;
import net.java.frej.fuzzy.Fuzzy;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;
import org.apache.commons.io.IOUtils;
import org.json.simple.parser.ParseException;
import java.net.URL;

/**
 *
 * @author RAO
 */
public class MainClass {
    private DBhandler obj;

    public MainClass() {
        obj = new DBhandler();
    }

    public static String getLocationFromAPi(String CityName) throws ParseException {
        String[] list;
        list = CityName.replaceAll("[^a-zA-Z]", "").toLowerCase().split("\\s+");
        CityName = list[0];
        String Address = "";
        String url = "https://maps.googleapis.com/maps/api/geocode/json?address=" + CityName + "&sensor=false";

        try {
            String genreJson = IOUtils.toString(new URL(url));
            JSONObject genreJsonObject = (JSONObject) JSONValue.parseWithException(genreJson);
            JSONArray genreArray = (JSONArray) genreJsonObject.get("results");
            if (genreArray.size() == 0) {
                return "";
            } else {
                JSONObject firstGenre = (JSONObject) genreArray.get(0);
                String City = firstGenre.get("formatted_address").toString();
                JSONObject obj = (JSONObject) firstGenre.get("geometry");
                JSONObject loc = (JSONObject) obj.get("location");
                String lat = loc.get("lat").toString();
                String lng = loc.get("lng").toString();
                Address = (String) (lat + "/" + lng + "/" + City);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return Address;
    }

    public static boolean isNumeric(String str) {
        try {
            double d = Double.parseDouble(str);
        } catch (NumberFormatException nfe) {
            return false;
        }
        return true;
    }

    public static String getLat_lng(String city_Name) throws FileNotFoundException, IOException {
        double lat = 33.40;
        double lng = 73.10;
        String lat_lng = " ";
        String CityName = "";
        FileReader fr = new FileReader("F:\\Semesters\\7th Semester\\FYP-I\\servletsimplewebapp\\LAT.txt");
        BufferedReader br = new BufferedReader(fr);
        String aLine;

        while ((aLine = br.readLine()) != null) {
            String[] tokens = aLine.split(",");
            if (tokens.length > 1) {
                String[] CN = tokens[2].split(" ");
                CityName = "";
                for (int i = 0; i < CN.length; i++) {
                    CityName += CN[i] + " ";
                }
                if (CityName.toLowerCase().contains(city_Name.toLowerCase())
                        || city_Name.equalsIgnoreCase(CityName)) {
                    lat = Double.parseDouble(tokens[0]);
                    lng = Double.parseDouble(tokens[1]);
                    lat_lng = (String) (lat + "," + lng + "," + CityName);
                    return lat_lng;
                }
            }
        }
        return lat_lng;
    }

    public ArrayList<Location> getlocation()
            throws ClassNotFoundException, SQLException, FileNotFoundException, IOException, ParseException {
        String CityNameDB;
        String lat_lng = null;
        double lat = 0.0;
        double lng = 0.0;
        String CountryName;
        ArrayList<Data> list = obj.getLocation();
        ArrayList<Location> list1 = new ArrayList<>();
        for (int i = 0; i < list.size(); i++) {
            if (list.get(i).getLoc() == null || list.get(i).getLoc().equals(" ") || list.get(i).getLoc().equals("")
                    || list.get(i).getLoc().equalsIgnoreCase("pakistan")) {
                CityNameDB = "Islamabad";
                lat_lng = getLat_lng(CityNameDB);
                String[] tokens = lat_lng.split(",");
                lat = Double.parseDouble(tokens[0]);
                lng = Double.parseDouble(tokens[1]);
                CityNameDB = tokens[2];
                String[] ctoken = CityNameDB.split(" ");
                CountryName = ctoken[ctoken.length - 1];
            } else {
                CityNameDB = list.get(i).getLoc();
                lat_lng = getLat_lng(CityNameDB);
                if (lat_lng.equals(" ")) {
                    lat_lng = getLocationFromAPi(CityNameDB);
                    if (lat_lng.equals("")) {
                        CityNameDB = "Multan";
                        lat_lng = getLat_lng(CityNameDB);
                        String[] tokens = lat_lng.split(",");
                        lat = Double.parseDouble(tokens[0]);
                        lng = Double.parseDouble(tokens[1]);
                        CityNameDB = tokens[2];
                        String[] ctoken = CityNameDB.split(" ");
                        CountryName = ctoken[ctoken.length - 1];
                    } else {
                        String[] tokens = lat_lng.split("/");
                        lat = Double.parseDouble(tokens[0]);
                        lng = Double.parseDouble(tokens[1]);
                        CityNameDB = tokens[2];
                        String[] ctoken = CityNameDB.split(",");
                        CountryName = ctoken[ctoken.length - 1];
                    }
                } else {
                    String[] tokens = lat_lng.split(",");
                    lat = Double.parseDouble(tokens[0]);
                    lng = Double.parseDouble(tokens[1]);
                    CityNameDB = tokens[2];
                    String[] ctoken = CityNameDB.split(" ");
                    CountryName = ctoken[ctoken.length - 1];
                }
            }
            Location objj = new Location(list.get(i).getId(), CityNameDB, lat, lng, CountryName);
            list1.add(objj);
        }

        obj.insertintNewData(list1);
        return list1;
    }

    public ArrayList<Location> getLocationwithCount() throws ClassNotFoundException, SQLException {
        ArrayList<Location> list = obj.getLocationWithCount();
        return list;
    }

}