[android] - add expression filter integrationupstream/tvn-filter-expressions

1 files changed, 24 insertions, 6 deletions

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/SymbolLayer.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/SymbolLayer.java
index d0fb82dce5..a552ce7691 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/SymbolLayer.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/SymbolLayer.java
@@ -4,10 +4,13 @@ package com.mapbox.mapboxsdk.style.layers;
 
 import android.support.annotation.ColorInt;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.support.annotation.UiThread;
 
 import static com.mapbox.mapboxsdk.utils.ColorUtils.rgbaToColor;
 
+import com.google.gson.JsonArray;
+import com.mapbox.mapboxsdk.style.expressions.Expression;
 import com.mapbox.mapboxsdk.style.layers.TransitionOptions;
 
 /**
@@ -69,26 +72,41 @@ public class SymbolLayer extends Layer {
   }
 
   /**
-   * Set a single filter.
+   * Set a single expression filter.
    *
-   * @param filter the filter to set
+   * @param filter the expression filter to set
    */
-  public void setFilter(Filter.Statement filter) {
+  public void setFilter(Expression filter) {
     nativeSetFilter(filter.toArray());
   }
 
   /**
-   * Set a single filter.
+   * Set a single expression filter.
    *
-   * @param filter the filter to set
+   * @param filter the expression filter to set
    * @return This
    */
-  public SymbolLayer withFilter(Filter.Statement filter) {
+  public SymbolLayer withFilter(Expression filter) {
     setFilter(filter);
     return this;
   }
 
   /**
+   * Get a single expression filter.
+   *
+   * @return the expression filter to get
+   */
+  @Nullable
+  public Expression getFilter() {
+    Expression expression = null;
+    Object object = nativeGetFilter();
+    if (object != null && object instanceof JsonArray) {
+      expression = Expression.Converter.convert((JsonArray) object);
+    }
+    return expression;
+  }
+
+  /**
    * Set a property or properties.
    *
    * @param properties the var-args properties