1 files changed, 46 insertions, 0 deletions
diff --git a/base/android/java/src/org/chromium/base/JNIUtils.java b/base/android/java/src/org/chromium/base/JNIUtils.java
new file mode 100644
index 0000000000..3fcec91316
--- /dev/null
+++ b/base/android/java/src/org/chromium/base/JNIUtils.java
@@ -0,0 +1,46 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.base;
+
+import org.chromium.base.annotations.CalledByNative;
+import org.chromium.base.annotations.MainDex;
+
+/**
+ * This class provides JNI-related methods to the native library.
+ */
+@MainDex
+public class JNIUtils {
+    private static Boolean sSelectiveJniRegistrationEnabled;
+
+    /**
+     * This returns a ClassLoader that is capable of loading Chromium Java code. Such a ClassLoader
+     * is needed for the few cases where the JNI mechanism is unable to automatically determine the
+     * appropriate ClassLoader instance.
+     */
+    @CalledByNative
+    public static Object getClassLoader() {
+        return JNIUtils.class.getClassLoader();
+    }
+
+    /**
+     * @return whether or not the current process supports selective JNI registration.
+     */
+    @CalledByNative
+    public static boolean isSelectiveJniRegistrationEnabled() {
+        if (sSelectiveJniRegistrationEnabled == null) {
+            sSelectiveJniRegistrationEnabled = false;
+        }
+        return sSelectiveJniRegistrationEnabled;
+    }
+
+    /**
+     * Allow this process to selectively perform JNI registration. This must be called before
+     * loading native libraries or it will have no effect.
+     */
+    public static void enableSelectiveJniRegistration() {
+        assert sSelectiveJniRegistrationEnabled == null;
+        sSelectiveJniRegistrationEnabled = true;
+    }
+}