45 lines
1.2 KiB
Java
45 lines
1.2 KiB
Java
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// Copyright 2019 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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package org.jni_zero;
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import org.chromium.build.BuildConfig;
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/**
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* Exposes native library loading status.
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*/
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public class NativeLibraryLoadedStatus {
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/**
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* Interface for querying native method availability.
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*/
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public interface NativeLibraryLoadedStatusProvider {
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boolean areNativeMethodsReady();
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}
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private static NativeLibraryLoadedStatusProvider sProvider;
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public static class NativeNotLoadedException extends RuntimeException {
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public NativeNotLoadedException(String s) {
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super(s);
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}
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}
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public static void checkLoaded() {
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if (sProvider == null) return;
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if (!sProvider.areNativeMethodsReady()) {
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throw new NativeNotLoadedException(
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"Native method called before the native library was ready.");
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}
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}
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public static void setProvider(NativeLibraryLoadedStatusProvider statusProvider) {
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sProvider = statusProvider;
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}
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public static NativeLibraryLoadedStatusProvider getProviderForTesting() {
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return sProvider;
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}
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}
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