41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
// SPDX-License-Identifier: MPL-2.0
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// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
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#include "jvm.h"
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thread_local JNIEnv *env;
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namespace skyline {
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JvmManager::JvmManager(JNIEnv *environ, jobject instance) : instance(instance), instanceClass(reinterpret_cast<jclass>(environ->NewGlobalRef(environ->GetObjectClass(instance)))) {
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env = environ;
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if (env->GetJavaVM(&vm) < 0)
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throw exception("Cannot get JavaVM from environment");
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}
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void JvmManager::AttachThread() {
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if (!env)
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vm->AttachCurrentThread(&env, nullptr);
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}
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void JvmManager::DetachThread() {
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if (env)
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vm->DetachCurrentThread();
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}
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JNIEnv *JvmManager::GetEnv() {
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return env;
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}
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jobject JvmManager::GetField(const char *key, const char *signature) {
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return env->GetObjectField(instance, env->GetFieldID(instanceClass, key, signature));
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}
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bool JvmManager::CheckNull(const char *key, const char *signature) {
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return env->IsSameObject(env->GetObjectField(instance, env->GetFieldID(instanceClass, key, signature)), nullptr);
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}
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bool JvmManager::CheckNull(jobject &object) {
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return env->IsSameObject(object, nullptr);
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}
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}
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