src/Country.java

   1 import java.io.File;
   2 import java.io.FileNotFoundException;
   3 import java.util.List;
   4 import java.util.Scanner;
   5
   6 public class Country {
   7     private String name;
   8     private String region;
   9     private double lat;
  10     private double lng;
  11     private String flag;
  12     private String csvFile = "data/countries.csv";
  13
  14     public Country(String name, String region, double lat, double lng, String flag) {
  15         setName(name);
  16         setRegion(region);
  17         setLat(lat);
  18         setLng(lng);
  19         setFlag(flag);
  20     }
  21
  22     public Country(String name) {
  23         setName(name);
  24         loadCSVOneCountry(this.name);
  25
  26     }
  27
  28     public void setName(String name) {
  29         this.name = name;
  30     }
  31
  32     public String getName() {
  33         return name;
  34     }
  35
  36     public void setRegion(String region) {
  37         this.region = region;
  38     }
  39
  40     public void setLat(double lat) {
  41         this.lat = lat;
  42     }
  43
  44     public double getLat() {
  45         return lat;
  46     }
  47
  48     public void setLng(double lng) {
  49         this.lng = lng;
  50     }
  51
  52     public double getLng() {
  53         return lng;
  54     }
  55
  56     public void setFlag(String flag) {
  57         this.flag = flag;
  58     }
  59
  60     public String getFlag() {
  61         return flag;
  62     }
  63
  64     public int distanceTo(Country country) {
  65         if ((this.lat == country.lat) && (this.lng == country.lng)) {
  66             return 0;
  67         } else {
  68             double theta = this.lng - country.lng;
  69             Double dist = Math.sin(Math.toRadians(this.lat)) * Math.sin(Math.toRadians(country.lat)) + Math.cos(Math.toRadians(this.lat)) * Math.cos(Math.toRadians(country.lat)) * Math.cos(Math.toRadians(theta));
  70             dist = Math.acos(dist);
  71             dist = Math.toDegrees(dist);
  72             dist = dist * 60 * 1.1515;
  73             // Kilometers
  74             dist = dist * 1.609344;
  75             return dist.intValue();
  76         }
  77     }
  78
  79     public void loadCSVOneCountry(String name) {
  80         Scanner scanner = null;
  81         try {
  82             scanner = new Scanner(new File(csvFile));
  83         } catch (FileNotFoundException e) {
  84             e.printStackTrace();
  85         }
  86         while (scanner.hasNext()) {
  87             List<String> line = CSVUtils.parseLine(scanner.nextLine());
  88             String countryList = line.get(0);
  89             String[] countryArray = countryList.split(",");
  90             String latLng = line.get(16);
  91             String[] latLngArray = latLng.split(",");
  92
  93
  94             if (countryArray[1].equals(name)) {
  95                 setRegion(line.get(12));
  96                 setLat(Double.parseDouble(latLngArray[0]));
  97                 setLng(Double.parseDouble(latLngArray[1]));
  98             }
  99         }
 100         scanner.close();
 101           /*Utils.displayArrayList(countryArrayListOceania);
 102         Utils.displayArrayList(countryArrayListAfrica);
 103         Utils.displayArrayList(countryArrayListAmericas);
 104         Utils.displayArrayList(countryArrayListAsia);
 105         Utils.displayArrayList(countryArrayListEurope);*/
 106     }
 107
 108
 109     @Override
 110     public String toString() {
 111         return "Country{" +
 112                 "name='" + name + '\'' +
 113                 ", region='" + region + '\'' +
 114                 ", lat=" + lat +
 115                 ", lng=" + lng +
 116                 ", flag=" + flag +
 117                 '}';
 118     }
 119 }