| // | 
 | // Copyright (C) 2013 The Android Open Source Project | 
 | // | 
 | // Licensed under the Apache License, Version 2.0 (the "License"); | 
 | // you may not use this file except in compliance with the License. | 
 | // You may obtain a copy of the License at | 
 | // | 
 | //      http://www.apache.org/licenses/LICENSE-2.0 | 
 | // | 
 | // Unless required by applicable law or agreed to in writing, software | 
 | // distributed under the License is distributed on an "AS IS" BASIS, | 
 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | // See the License for the specific language governing permissions and | 
 | // limitations under the License. | 
 | // | 
 |  | 
 | #ifndef UPDATE_ENGINE_HWID_OVERRIDE_H_ | 
 | #define UPDATE_ENGINE_HWID_OVERRIDE_H_ | 
 |  | 
 | #include <map> | 
 | #include <string> | 
 |  | 
 | #include <base/files/file_path.h> | 
 | #include <base/macros.h> | 
 |  | 
 | namespace chromeos_update_engine { | 
 |  | 
 | // Class that allows HWID to be read from <root>/etc/lsb-release. | 
 | class HwidOverride { | 
 |  public: | 
 |   HwidOverride(); | 
 |   ~HwidOverride(); | 
 |  | 
 |   // Read HWID from an /etc/lsb-release file under given root. | 
 |   // An empty string is returned if there is any error. | 
 |   static std::string Read(const base::FilePath& root); | 
 |  | 
 |   static const char kHwidOverrideKey[]; | 
 |  | 
 |  private: | 
 |   DISALLOW_COPY_AND_ASSIGN(HwidOverride); | 
 | }; | 
 |  | 
 | }  // namespace chromeos_update_engine | 
 |  | 
 | #endif  // UPDATE_ENGINE_HWID_OVERRIDE_H_ |