diff --git a/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/constants/MapboxConstants.java b/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/constants/MapboxConstants.java
new file mode 100644
index 000000000..4816dbf4d
--- /dev/null
+++ b/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/constants/MapboxConstants.java
@@ -0,0 +1,10 @@
+package com.mapbox.mapboxgl.lib.constants;
+
+import java.util.Locale;
+
+public class MapboxConstants {
+
+    // Default Locale for data processing (ex: String.toLowerCase(MAPBOX_LOCALE, "foo"))
+    public static final Locale MAPBOX_LOCALE = Locale.US;
+
+}
diff --git a/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/util/JavaFileSource.java b/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/util/JavaFileSource.java
index f9b141797..1081657b0 100644
--- a/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/util/JavaFileSource.java
+++ b/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/util/JavaFileSource.java
@@ -1,5 +1,6 @@
 package com.mapbox.mapboxgl.lib.util;
 
+import com.mapbox.mapboxgl.lib.constants.MapboxConstants;
 import com.squareup.okhttp.Callback;
 import com.squareup.okhttp.OkHttpClient;
 import com.squareup.okhttp.Request;
@@ -34,13 +35,13 @@ public class JavaFileSource {
      * Make an HTTP Request
      * @param resourceUrl URL to resource
      * @param callback Callback class
-     * @return Request created
      */
-    public Request request(final String resourceUrl, final Callback callback) {
-        Request request = new Request.Builder().url(resourceUrl).build();
-
+    public void request(final String resourceUrl, final Callback callback) {
+        Request request = new Request.Builder().url(resourceUrl).tag(resourceUrl.toLowerCase(MapboxConstants.MAPBOX_LOCALE)).build();
         client.newCall(request).enqueue(callback);
+    }
 
-        return request;
+    public void cancel(final String resourceUrl) {
+        client.cancel(resourceUrl.toLowerCase(MapboxConstants.MAPBOX_LOCALE));
     }
 }