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/*
* Copyright (c) 2017, Ford Motor Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Ford Motor Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "resumption/last_state_impl.h"
#include "utils/file_system.h"
#include "utils/logger.h"
namespace resumption {
CREATE_LOGGERPTR_GLOBAL(logger_, "Resumption")
LastStateImpl::LastStateImpl(const std::string& app_storage_folder,
const std::string& app_info_storage)
: app_storage_folder_(app_storage_folder)
, app_info_storage_(app_info_storage) {
LoadStateFromFileSystem();
LOG4CXX_AUTO_TRACE(logger_);
}
LastStateImpl::~LastStateImpl() {
LOG4CXX_AUTO_TRACE(logger_);
SaveStateToFileSystem();
}
void LastStateImpl::SaveStateToFileSystem() {
LOG4CXX_AUTO_TRACE(logger_);
const std::string& str = dictionary_.toStyledString();
const std::vector<uint8_t> char_vector_pdata(str.begin(), str.end());
DCHECK(file_system::CreateDirectoryRecursively(app_storage_folder_));
LOG4CXX_INFO(logger_,
"LastState::SaveStateToFileSystem " << app_info_storage_ << str);
DCHECK(file_system::Write(app_info_storage_, char_vector_pdata));
}
Json::Value& LastStateImpl::get_dictionary() {
return dictionary_;
}
void LastStateImpl::LoadStateFromFileSystem() {
std::string buffer;
bool result = file_system::ReadFile(app_info_storage_, buffer);
Json::Reader m_reader;
if (result && m_reader.parse(buffer, dictionary_)) {
LOG4CXX_INFO(logger_,
"Valid last state was found." << dictionary_.toStyledString());
return;
}
LOG4CXX_WARN(logger_, "No valid last state was found.");
}
} // namespace resumption
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