073f49d0d0
Summary: ##Changelog: [Internal][Yoga] Use YogaJniException in jni call exception handling Reviewed By: astreet Differential Revision: D18745615 fbshipit-source-id: 5fcf4c31f04fade94ef98a5349782ed3d43805b0
82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "corefunctions.h"
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#include "macros.h"
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#include "YogaJniException.h"
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namespace facebook {
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namespace yoga {
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namespace vanillajni {
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namespace {
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JavaVM* globalVm = NULL;
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struct JavaVMInitializer {
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JavaVMInitializer(JavaVM* vm) {
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if (!vm) {
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logErrorMessageAndDie(
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"You cannot pass a NULL JavaVM to ensureInitialized");
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}
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globalVm = vm;
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}
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};
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} // namespace
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jint ensureInitialized(JNIEnv** env, JavaVM* vm) {
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static JavaVMInitializer init(vm);
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if (!env) {
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logErrorMessageAndDie(
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"Need to pass a valid JNIEnv pointer to vanillajni initialization "
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"routine");
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}
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if (vm->GetEnv(reinterpret_cast<void**>(env), JNI_VERSION_1_6) != JNI_OK) {
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logErrorMessageAndDie(
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"Error retrieving JNIEnv during initialization of vanillajni");
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}
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return JNI_VERSION_1_6;
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}
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// TODO why we need JNIEXPORT for getCurrentEnv ?
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JNIEXPORT JNIEnv* getCurrentEnv() {
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JNIEnv* env;
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jint ret = globalVm->GetEnv((void**) &env, JNI_VERSION_1_6);
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if (ret != JNI_OK) {
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logErrorMessageAndDie(
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"There was an error retrieving the current JNIEnv. Make sure the "
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"current thread is attached");
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}
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return env;
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}
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void logErrorMessageAndDie(const char* message) {
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VANILLAJNI_LOG_ERROR(
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"VanillaJni",
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"Aborting due to error detected in native code: %s",
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message);
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VANILLAJNI_DIE();
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}
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void assertNoPendingJniException(JNIEnv* env) {
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if (env->ExceptionCheck() == JNI_FALSE) {
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return;
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}
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auto throwable = env->ExceptionOccurred();
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if (!throwable) {
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logErrorMessageAndDie("Unable to get pending JNI exception.");
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}
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env->ExceptionClear();
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throw YogaJniException(throwable);
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}
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} // namespace vanillajni
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} // namespace yoga
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} // namespace facebook
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