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95 lines
2.7 KiB
95 lines
2.7 KiB
/* |
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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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