1package eu.siacs.conversations.utils;
 2
 3import android.content.Context;
 4import android.telephony.TelephonyManager;
 5import android.util.Log;
 6
 7import org.osmdroid.util.GeoPoint;
 8
 9import java.io.BufferedReader;
10import java.io.IOException;
11import java.io.InputStreamReader;
12import java.util.Locale;
13
14import eu.siacs.conversations.Config;
15import eu.siacs.conversations.R;
16
17public class LocationProvider {
18
19    public static final GeoPoint FALLBACK = new GeoPoint(0.0,0.0);
20
21    public static String getUserCountry(Context context) {
22        try {
23            final TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
24            final String simCountry = tm.getSimCountryIso();
25            if (simCountry != null && simCountry.length() == 2) { // SIM country code is available
26                return simCountry.toUpperCase(Locale.US);
27            } else if (tm.getPhoneType() != TelephonyManager.PHONE_TYPE_CDMA) { // device is not 3G (would be unreliable)
28                String networkCountry = tm.getNetworkCountryIso();
29                if (networkCountry != null && networkCountry.length() == 2) { // network country code is available
30                    return networkCountry.toUpperCase(Locale.US);
31                }
32            }
33        } catch (Exception e) {
34            // fallthrough
35        }
36        Locale locale = Locale.getDefault();
37        return locale.getCountry();
38    }
39
40    public static GeoPoint getGeoPoint(Context context) {
41        return getGeoPoint(context, getUserCountry(context));
42    }
43
44
45    public static synchronized GeoPoint getGeoPoint(Context context, String country) {
46        try {
47            BufferedReader reader =  new BufferedReader(new InputStreamReader(context.getResources().openRawResource(R.raw.countries)));
48            String line;
49            while((line = reader.readLine()) != null) {
50                String[] parts = line.split("\\s+",4);
51                if (parts.length == 4) {
52                    if (country.equalsIgnoreCase(parts[0])) {
53                        try {
54                            return new GeoPoint(Double.parseDouble(parts[1]), Double.parseDouble(parts[2]));
55                        } catch (NumberFormatException e) {
56                            return FALLBACK;
57                        }
58                    }
59                } else {
60                    Log.d(Config.LOGTAG,"unable to parse line="+line);
61                }
62            }
63        } catch (IOException e) {
64            Log.d(Config.LOGTAG,e.getMessage());
65        }
66        return FALLBACK;
67    }
68
69}