diff options
Diffstat (limited to 'libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/GeocoderUtils.java')
-rw-r--r-- | libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/GeocoderUtils.java | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/GeocoderUtils.java b/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/GeocoderUtils.java new file mode 100644 index 000000000..372473e15 --- /dev/null +++ b/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/GeocoderUtils.java @@ -0,0 +1,116 @@ +package org.wordpress.android.util; + +import android.content.Context; +import android.location.Address; +import android.location.Geocoder; + +import java.io.IOException; +import java.util.List; +import java.util.Locale; + +public final class GeocoderUtils { + private GeocoderUtils() { + throw new AssertionError(); + } + + public static Geocoder getGeocoder(Context context) { + // first make sure a Geocoder service exists on this device (requires API 9) + if (!Geocoder.isPresent()) { + return null; + } + + Geocoder gcd; + + try { + gcd = new Geocoder(context, LanguageUtils.getCurrentDeviceLanguage(context)); + } catch (NullPointerException cannotIstantiateEx) { + AppLog.e(AppLog.T.UTILS, "Cannot instantiate Geocoder", cannotIstantiateEx); + return null; + } + + return gcd; + } + + public static Address getAddressFromCoords(Context context, double latitude, double longitude) { + Address address = null; + List<Address> addresses = null; + + Geocoder gcd = getGeocoder(context); + + if (gcd == null) { + return null; + } + + try { + addresses = gcd.getFromLocation(latitude, longitude, 1); + } catch (IOException e) { + // may get "Unable to parse response from server" IOException here if Geocoder + // service is hit too frequently + AppLog.e(AppLog.T.UTILS, + "Unable to parse response from server. Is Geocoder service hitting the server too frequently?", + e + ); + } + + // addresses may be null or empty if network isn't connected + if (addresses != null && addresses.size() > 0) { + address = addresses.get(0); + } + + return address; + } + + public static Address getAddressFromLocationName(Context context, String locationName) { + int maxResults = 1; + Address address = null; + List<Address> addresses = null; + + Geocoder gcd = getGeocoder(context); + + if (gcd == null) { + return null; + } + + try { + addresses = gcd.getFromLocationName(locationName, maxResults); + } catch (IOException e) { + AppLog.e(AppLog.T.UTILS, "Failed to get coordinates from location", e); + } + + // addresses may be null or empty if network isn't connected + if (addresses != null && addresses.size() > 0) { + address = addresses.get(0); + } + + return address; + } + + public static String getLocationNameFromAddress(Address address) { + String locality = "", adminArea = "", country = ""; + if (address.getLocality() != null) { + locality = address.getLocality(); + } + + if (address.getAdminArea() != null) { + adminArea = address.getAdminArea(); + } + + if (address.getCountryName() != null) { + country = address.getCountryName(); + } + + return ((locality.equals("")) ? locality : locality + ", ") + + ((adminArea.equals("")) ? adminArea : adminArea + " ") + country; + } + + public static double[] getCoordsFromAddress(Address address) { + double[] coordinates = new double[2]; + + if (address.hasLatitude() && address.hasLongitude()) { + coordinates[0] = address.getLatitude(); + coordinates[1] = address.getLongitude(); + } + + return coordinates; + } +} |