1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #include "preferences_helper.h" 16 17 namespace OHOS { 18 namespace NativePreferences { 19 std::mutex PreferencesHelper::mtx_; 20 std::shared_ptr<MockPreferenceHelperInterface> PreferencesHelper::instance_ = nullptr; GetPreferences(const std::string & filePath,int & errCode)21std::shared_ptr<Preferences> PreferencesHelper::GetPreferences(const std::string &filePath, int &errCode) 22 { 23 if (instance_ == nullptr) { 24 return nullptr; 25 } 26 return instance_->GetPreferences(filePath, errCode); 27 } 28 DeletePreferences(const std::string & path)29void PreferencesHelper::DeletePreferences(const std::string &path) 30 { 31 if (instance_ != nullptr) { 32 instance_->DeletePreferences(path); 33 } 34 } 35 GetInstance()36std::shared_ptr<MockPreferenceHelperInterface> PreferencesHelper::GetInstance() 37 { 38 if (instance_ == nullptr) { 39 std::lock_guard<std::mutex> lock(mtx_); 40 if (instance_ == nullptr) { 41 instance_ = std::make_shared<MockPreferenceHelperInterface>(); 42 } 43 } 44 return instance_; 45 } 46 DeleteInstance()47void PreferencesHelper::DeleteInstance() 48 { 49 std::lock_guard<std::mutex> lock(mtx_); 50 instance_.reset(); 51 } 52 } // End of namespace NativePreferences 53 } // End of namespace OHOS