| // |
| // Copyright (C) 2012 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 SHILL_SHIMS_ENVIRONMENT_H_ |
| #define SHILL_SHIMS_ENVIRONMENT_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include <base/lazy_instance.h> |
| |
| namespace shill { |
| |
| namespace shims { |
| |
| // Environment access utilities. |
| class Environment { |
| public: |
| virtual ~Environment(); |
| |
| // This is a singleton -- use Environment::GetInstance()->Foo(). |
| static Environment* GetInstance(); |
| |
| // Sets |value| to the value of environment variable |name| and returns |
| // true. Returns false if variable |name| is not set. |
| virtual bool GetVariable(const std::string& name, std::string* value); |
| |
| // Parses and returns the environment as a name->value string map. |
| virtual std::map<std::string, std::string> AsMap(); |
| |
| protected: |
| Environment(); |
| |
| private: |
| friend struct base::DefaultLazyInstanceTraits<Environment>; |
| |
| DISALLOW_COPY_AND_ASSIGN(Environment); |
| }; |
| |
| } // namespace shims |
| |
| } // namespace shill |
| |
| #endif // SHILL_SHIMS_ENVIRONMENT_H_ |