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/*
* StorageBackendFile.cpp
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "StorageBackendFile.h"
#include <Core/ConfigEntry.h>
#include <boost/filesystem.hpp>
#include <boost/thread/locks.hpp>
namespace Mad {
namespace Modules {
namespace StorageBackendFile {
bool StorageBackendFile::handleConfigEntry(const Core::ConfigEntry &entry, bool /*handled*/) {
if(!entry[0].getKey().matches("Storage"))
return false;
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(entry[1].getKey().matches("Root")) {
if(!entry[2].empty())
return false;
storageRoot = entry[1][0];
}
else if(!entry[1].empty()) {
return false;
}
return true;
}
void StorageBackendFile::configFinished() {
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(!boost::filesystem::exists(storageRoot)) {
boost::filesystem::create_directories(storageRoot);
}
if(!boost::filesystem::is_directory(storageRoot)) {
application->logf("StorageBackendFile: Can't create directory: '%s'.", storageRoot.string().c_str());
return;
}
configured = true;
}
boost::filesystem::path StorageBackendFile::getFileName(const std::string &type, const std::string &name) {
boost::filesystem::path path(storageRoot);
path /= type;
path /= (name + ".xml");
return path;
}
void StorageBackendFile::store(const std::string &type, const std::string &name, const Common::XmlData *data) throw (Core::Exception) {
boost::lock_guard<boost::shared_mutex> lock(mutex);
if(!configured)
throw Core::Exception(Core::Exception::NOT_AVAILABLE);
boost::filesystem::path path = getFileName(type, name);
boost::filesystem::create_directories(path.parent_path().directory_string());
data->toFile(path.file_string());
}
boost::shared_ptr<Common::XmlData> StorageBackendFile::load(const std::string &type, const std::string &name) throw (Core::Exception) {
boost::shared_lock<boost::shared_mutex> lock(mutex);
if(!configured)
throw Core::Exception(Core::Exception::NOT_AVAILABLE);
boost::filesystem::path path = getFileName(type, name);
return boost::shared_ptr<Common::XmlData>(new Common::XmlData(path.file_string()));
}
}
}
}
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