mobile: Create a JNI binding for Runtime::runtimeFeatureEnabled (#36011)

This PR allows us to have a runtime guard check in the Android code. Risk Level: low Testing: n/a Docs Changes: n/a Release Notes: n/a Platform Specific Features: mobile Signed-off-by: Fredy Wijaya <[email protected]>
envoyproxy · Sep 7, 2024 · d3b3ef8 · d3b3ef8
1 parent 18cbe86
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diff --git a/mobile/library/java/io/envoyproxy/envoymobile/engine/JniLibrary.java b/mobile/library/java/io/envoyproxy/envoymobile/engine/JniLibrary.java
@@ -319,4 +319,9 @@ public static native long createBootstrap(
    * href="https://c-ares.org/docs/ares_library_init_android.html">ares_library_init_android</a>.
    */
   public static native void initCares(ConnectivityManager connectivityManager);
+
+  /**
+   * Returns true if the runtime feature is enabled.
+   */
+  public static native boolean isRuntimeFeatureEnabled(String featureName);
 }
diff --git a/mobile/library/jni/jni_impl.cc b/mobile/library/jni/jni_impl.cc
@@ -215,6 +215,14 @@ extern "C" JNIEXPORT void JNICALL Java_io_envoyproxy_envoymobile_engine_JniLibra
 #endif
 }
 
+extern "C" JNIEXPORT jboolean JNICALL
+Java_io_envoyproxy_envoymobile_engine_JniLibrary_runtimeFeatureEnabled(JNIEnv* env, jclass,
+                                                                       jstring feature_name) {
+  Envoy::JNI::JniHelper jni_helper(env);
+  return Envoy::Runtime::runtimeFeatureEnabled(
+      Envoy::JNI::javaStringToCppString(jni_helper, feature_name));
+}
+
 extern "C" JNIEXPORT jint JNICALL Java_io_envoyproxy_envoymobile_engine_JniLibrary_recordCounterInc(
     JNIEnv* env,
     jclass, // class