1 /*
2 * Copyright (C) 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "core_jni_helpers.h"
18
19 namespace android {
20
21 namespace {
22
23 jmethodID gGetReferent = nullptr;
24
25 } // namespace
26
GetReferent(JNIEnv * env,jobject ref)27 jobject GetReferent(JNIEnv* env, jobject ref) {
28 if (gGetReferent == nullptr) {
29 jclass clazz = FindClassOrDie(env, "java/lang/ref/Reference");
30 gGetReferent = GetMethodIDOrDie(env, clazz, "get", "()Ljava/lang/Object;");
31 }
32 return env->CallObjectMethod(ref, gGetReferent);
33 }
34
35 } // namespace android