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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/json_host_config.h"
#include "base/bind.h"
#include "base/file_util.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/location.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
namespace remoting {
JsonHostConfig::JsonHostConfig(const FilePath& filename)
: filename_(filename) {
}
JsonHostConfig::~JsonHostConfig() {}
bool JsonHostConfig::Read() {
DCHECK(CalledOnValidThread());
// TODO(sergeyu): Implement better error handling here.
std::string file_content;
if (!file_util::ReadFileToString(filename_, &file_content)) {
LOG(WARNING) << "Failed to read " << filename_.value();
return false;
}
scoped_ptr<Value> value(
base::JSONReader::Read(file_content, base::JSON_ALLOW_TRAILING_COMMAS));
if (value.get() == NULL || !value->IsType(Value::TYPE_DICTIONARY)) {
LOG(WARNING) << "Failed to parse " << filename_.value();
return false;
}
DictionaryValue* dictionary = static_cast<DictionaryValue*>(value.release());
values_.reset(dictionary);
return true;
}
bool JsonHostConfig::Save() {
DCHECK(CalledOnValidThread());
std::string file_content = GetSerializedData();
// TODO(sergeyu): Move ImportantFileWriter to base and use it here.
int result = file_util::WriteFile(filename_, file_content.data(),
file_content.size());
return result == static_cast<int>(file_content.size());
}
std::string JsonHostConfig::GetSerializedData() {
std::string data;
base::JSONWriter::Write(values_.get(), &data);
return data;
}
} // namespace remoting
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