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