1 /* 2 * Copyright (c) 2024 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 ACCESS_TOKEN_LIBRARY_LOADER_H 17 #define ACCESS_TOKEN_LIBRARY_LOADER_H 18 19 #include <string> 20 21 namespace OHOS { 22 namespace Security { 23 namespace AccessToken { 24 25 class LibraryLoader { 26 public: 27 LibraryLoader(const std::string& path); 28 ~LibraryLoader(); GetObject()29 template<typename T> T* GetObject() 30 { 31 return reinterpret_cast<T*>(instance_); 32 }; 33 34 private: 35 void* handle_ = nullptr; 36 void* instance_ = nullptr; 37 void Create(); 38 void Destroy(); 39 bool PrintErrorLog(const std::string& targetName); 40 }; 41 } // AccessToken 42 } // Security 43 } // OHOS 44 #endif // ACCESS_TOKEN_LIBRARY_LOADER_H