1 /* 2 * Copyright (c) 2021 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 16 #ifndef PREFERENCES_HELPER_H 17 #define PREFERENCES_HELPER_H 18 19 #include <map> 20 #include <memory> 21 #include <mutex> 22 #include <string> 23 24 #include "preferences.h" 25 26 namespace OHOS { 27 namespace NativePreferences { 28 class PreferencesHelper { 29 public: 30 static std::shared_ptr<Preferences> GetPreferences(const std::string &path, int &errCode); 31 static int DeletePreferences(const std::string &path); 32 static int RemovePreferencesFromCache(const std::string &path); 33 34 private: 35 static std::map<std::string, std::shared_ptr<Preferences>> prefsCache_; 36 static std::mutex prefsCacheMutex_; 37 38 static std::string GetRealPath(const std::string &path, int &errorCode); 39 }; 40 } // End of namespace NativePreferences 41 } // End of namespace OHOS 42 #endif // End of #ifndef PREFERENCES_HELPER_H 43