1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "remoting/host/json_host_config.h" 6 7 #include "base/bind.h" 8 #include "base/file_util.h" 9 #include "base/files/important_file_writer.h" 10 #include "base/json/json_reader.h" 11 #include "base/json/json_writer.h" 12 #include "base/location.h" 13 #include "base/memory/scoped_ptr.h" 14 #include "base/values.h" 15 16 namespace remoting { 17 JsonHostConfig(const base::FilePath & filename)18JsonHostConfig::JsonHostConfig(const base::FilePath& filename) 19 : filename_(filename) { 20 } 21 ~JsonHostConfig()22JsonHostConfig::~JsonHostConfig() {} 23 Read()24bool JsonHostConfig::Read() { 25 DCHECK(CalledOnValidThread()); 26 27 // TODO(sergeyu): Implement better error handling here. 28 std::string file_content; 29 if (!base::ReadFileToString(filename_, &file_content)) { 30 LOG(WARNING) << "Failed to read " << filename_.value(); 31 return false; 32 } 33 34 return SetSerializedData(file_content); 35 } 36 Save()37bool JsonHostConfig::Save() { 38 DCHECK(CalledOnValidThread()); 39 40 return base::ImportantFileWriter::WriteFileAtomically(filename_, 41 GetSerializedData()); 42 } 43 GetSerializedData()44std::string JsonHostConfig::GetSerializedData() { 45 std::string data; 46 base::JSONWriter::Write(values_.get(), &data); 47 return data; 48 } 49 SetSerializedData(const std::string & config)50bool JsonHostConfig::SetSerializedData(const std::string& config) { 51 scoped_ptr<base::Value> value( 52 base::JSONReader::Read(config, base::JSON_ALLOW_TRAILING_COMMAS)); 53 if (value.get() == NULL || !value->IsType(base::Value::TYPE_DICTIONARY)) { 54 LOG(WARNING) << "Failed to parse " << filename_.value(); 55 return false; 56 } 57 58 base::DictionaryValue* dictionary = 59 static_cast<base::DictionaryValue*>(value.release()); 60 values_.reset(dictionary); 61 return true; 62 } 63 64 } // namespace remoting 65