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// 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;
}
}
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