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 16 #ifndef DEVICE_ADAPTER_H 17 #define DEVICE_ADAPTER_H 18 19 #include <string> 20 #include <vector> 21 22 namespace OHOS { 23 namespace UpdateEngine { 24 class DeviceAdapter { 25 public: 26 static std::string GetParameter(const std::string &key, const std::string &def); 27 static std::string GetDeviceName(); 28 static std::string GetOsVersion(); 29 static std::string GetRealVersion(); 30 static std::string GetDisplayVersion(); 31 32 static std::string GetBootSlot(); 33 private: 34 static bool IsValidParamValue(const char *value, uint32_t len); 35 }; 36 } // namespace UpdateEngine 37 } // namespace OHOS 38 #endif // DEVICE_ADAPTER_H