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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/android/jni_utils.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/containers/flat_map.h"
#include "base/no_destructor.h"
#include "base/synchronization/lock.h"
#include "build/robolectric_buildflags.h"
#if BUILDFLAG(IS_ROBOLECTRIC)
#include "base/base_robolectric_jni/JNIUtils_jni.h" // nogncheck
#else
#include "base/base_jni/JNIUtils_jni.h"
#endif
namespace base {
namespace android {
jobject GetSplitClassLoader(JNIEnv* env, const char* split_name) {
struct LockAndMap {
base::Lock lock;
base::flat_map<const char*, ScopedJavaGlobalRef<jobject>> map;
};
static base::NoDestructor<LockAndMap> lock_and_map;
base::AutoLock guard(lock_and_map->lock);
auto it = lock_and_map->map.find(split_name);
if (it != lock_and_map->map.end()) {
return it->second.obj();
}
ScopedJavaGlobalRef<jobject> class_loader(
Java_JNIUtils_getSplitClassLoader(env, split_name));
jobject class_loader_obj = class_loader.obj();
lock_and_map->map.insert({split_name, std::move(class_loader)});
return class_loader_obj;
}
} // namespace android
} // namespace base
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