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;
+    }
+}