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 DISTRIBUTEDDATAMGR_DIRECTORY_MANAGER_H 17 #define DISTRIBUTEDDATAMGR_DIRECTORY_MANAGER_H 18 19 #include <map> 20 #include <memory> 21 22 #include "metadata/store_meta_data.h" 23 #include "visibility.h" 24 namespace OHOS::DistributedData { 25 class DirectoryManager { 26 public: 27 static constexpr uint32_t INVALID_VERSION = 0xFFFFFFFF; 28 struct Strategy { 29 bool autoCreate = false; 30 uint32_t version = 0; 31 std::string pattern; 32 std::string metaPath; 33 }; 34 API_EXPORT static DirectoryManager &GetInstance(); 35 API_EXPORT std::string GetStorePath(const StoreMetaData &metaData, uint32_t version = INVALID_VERSION); 36 API_EXPORT std::string GetSecretKeyPath(const StoreMetaData &metaData, uint32_t version = INVALID_VERSION); 37 API_EXPORT std::string GetStoreBackupPath(const StoreMetaData &metaData, uint32_t version = INVALID_VERSION); 38 API_EXPORT std::string GetMetaStorePath(uint32_t version = INVALID_VERSION); 39 API_EXPORT std::string GetMetaBackupPath(uint32_t version = INVALID_VERSION); 40 API_EXPORT std::vector<uint32_t> GetVersions(); 41 API_EXPORT void Initialize(const std::vector<Strategy> &strategies); 42 API_EXPORT bool CreateDirectory(const std::string &path) const; 43 44 private: 45 using Action = std::string (DirectoryManager::*)(const StoreMetaData &) const; 46 struct StrategyImpl { 47 bool autoCreate = false; 48 uint32_t version; 49 std::string metaPath; 50 std::vector<std::string> path; 51 std::vector<Action> pipes; 52 }; 53 54 DirectoryManager(); 55 std::string GetType(const StoreMetaData &metaData) const; 56 std::string GetStore(const StoreMetaData &metaData) const; 57 std::string GetSecurity(const StoreMetaData &metaData) const; 58 std::string GetArea(const StoreMetaData &metaData) const; 59 std::string GetUserId(const StoreMetaData &metaData) const; 60 std::string GetBundleName(const StoreMetaData &metaData) const; 61 std::string GetHapName(const StoreMetaData &metaData) const; 62 std::string GetCustomDir(const StoreMetaData &metaData) const; 63 std::vector<std::string> Split(const std::string &source, const std::string &pattern) const; 64 int32_t GetVersionIndex(uint32_t version) const; 65 std::string GenPath(const StoreMetaData &metaData, uint32_t version, const std::string &exPath = "") const; 66 const std::map<std::string, Action> actions_; 67 std::vector<StrategyImpl> strategies_; 68 }; 69 } // namespace OHOS::DistributedData 70 #endif // DISTRIBUTEDDATAMGR_DIRECTORY_MANAGER_H 71