1 // 2 // Copyright (C) 2015 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef APMANAGER_FILE_WRITER_H_ 18 #define APMANAGER_FILE_WRITER_H_ 19 20 #include <string> 21 22 #include <base/lazy_instance.h> 23 24 namespace apmanager { 25 26 // Singleton class for handling file writes. 27 class FileWriter { 28 public: 29 virtual ~FileWriter(); 30 31 // This is a singleton. Use FileWriter::GetInstance()->Foo(). 32 static FileWriter* GetInstance(); 33 34 virtual bool Write(const std::string& file_name, 35 const std::string& content); 36 37 protected: 38 FileWriter(); 39 40 private: 41 friend struct base::DefaultLazyInstanceTraits<FileWriter>; 42 43 DISALLOW_COPY_AND_ASSIGN(FileWriter); 44 }; 45 46 } // namespace apmanager 47 48 #endif // APMANAGER_FILE_WRITER_H_ 49