Query: Expose parseLatLng method (#135)

* Query: Expose parseLatLng method

* Query: Make parseLatLng static

Author: PLNech

ChangeLog.md

@@ -1,6 +1,10 @@
 Change Log
 ==========
 
+## Next version
+
+- Expose parseLatLng method
+
 ## 3.4.0 (2016-09-05)
 
 - Implement new user-agent convention

algoliasearch/src/main/java/com/algolia/search/saas/Query.java

@@ -261,19 +261,7 @@ public int hashCode() {
     }
 
     public LatLng getAroundLatLng() {
-        String value = get(KEY_AROUND_LAT_LNG);
-        if (value == null) {
-            return null;
-        }
-        String[] components = value.split(",");
-        if (components.length != 2) {
-            return null;
-        }
-        try {
-            return new LatLng(Double.valueOf(components[0]), Double.valueOf(components[1]));
-        } catch (NumberFormatException e) {
-            return null;
-        }
+        return parseLatLng(get(KEY_AROUND_LAT_LNG));
     }
 
     private static final String KEY_AROUND_LAT_LNG_VIA_IP = "aroundLatLngViaIP";
@@ -1230,6 +1218,26 @@ private static String[] parseCommaArray(String string) {
         return string == null ? null : string.split(",");
     }
 
+    /**
+     * Parse a LatLng from its String equivalent.
+     * @param value a String containing latitude/longitude.
+     * @return a LatLng object describing the given value.
+     */
+    @Nullable public static LatLng parseLatLng(String value) {
+        if (value == null) {
+            return null;
+        }
+        String[] components = value.split(",");
+        if (components.length != 2) {
+            return null;
+        }
+        try {
+            return new LatLng(Double.valueOf(components[0]), Double.valueOf(components[1]));
+        } catch (NumberFormatException e) {
+            return null;
+        }
+    }
+
     // ----------------------------------------------------------------------
     // Low-level (untyped) accessors
     // ----------------------------------------------------------------------