96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include "android-base/macros.h"
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#include "jni.h"
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#include "jvmti.h"
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#include "scoped_utf_chars.h"
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// Test infrastructure
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#include "jni_helper.h"
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#include "jvmti_helper.h"
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#include "test_env.h"
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namespace art {
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namespace Test922Properties {
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extern "C" JNIEXPORT jobjectArray JNICALL Java_art_Test922_getSystemProperties(
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JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED) {
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jint count;
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char** properties;
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jvmtiError result = jvmti_env->GetSystemProperties(&count, &properties);
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if (JvmtiErrorToException(env, jvmti_env, result)) {
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return nullptr;
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}
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auto callback = [&](jint i) -> jstring {
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char* data = properties[i];
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if (data == nullptr) {
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return nullptr;
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}
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jstring ret = env->NewStringUTF(data);
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jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(data));
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return ret;
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};
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jobjectArray ret = CreateObjectArray(env, count, "java/lang/String", callback);
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jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(properties));
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return ret;
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}
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extern "C" JNIEXPORT jstring JNICALL Java_art_Test922_getSystemProperty(
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JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED, jstring key) {
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ScopedUtfChars string(env, key);
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if (string.c_str() == nullptr) {
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return nullptr;
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}
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char* value = nullptr;
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jvmtiError result = jvmti_env->GetSystemProperty(string.c_str(), &value);
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if (JvmtiErrorToException(env, jvmti_env, result)) {
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return nullptr;
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}
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jstring ret = (value == nullptr) ? nullptr : env->NewStringUTF(value);
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jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(value));
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return ret;
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test922_setSystemProperty(
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JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED, jstring key, jstring value) {
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ScopedUtfChars key_string(env, key);
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if (key_string.c_str() == nullptr) {
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return;
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}
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ScopedUtfChars value_string(env, value);
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if (value_string.c_str() == nullptr) {
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return;
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}
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jvmtiError result = jvmti_env->SetSystemProperty(key_string.c_str(), value_string.c_str());
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if (JvmtiErrorToException(env, jvmti_env, result)) {
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return;
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}
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}
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} // namespace Test922Properties
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} // namespace art
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