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/*
 * StorageBackendFile.h
 *
 * 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/>.
 */

#ifndef MAD_MODULES_STORAGEBACKENDFILE_STORAGEBACKENDFILE_H_
#define MAD_MODULES_STORAGEBACKENDFILE_STORAGEBACKENDFILE_H_

#include <Common/StorageBackend.h>
#include <Common/Application.h>

#include <Core/Configurable.h>
#include <Core/ConfigManager.h>

#include <boost/filesystem/path.hpp>
#include <boost/thread/shared_mutex.hpp>

namespace Mad {
namespace Modules {
namespace StorageBackendFile {

class StorageBackendFile : public Common::StorageBackend, private Core::Configurable, private boost::noncopyable {
  private:
    Common::Application *application;

    boost::filesystem::path storageRoot;
    bool configured;

    boost::shared_mutex mutex;

    boost::filesystem::path getFileName(const Core::String &type, const Core::String &name);

  protected:
    virtual void configure();

    virtual std::set<Core::String> listTypes() throw (Core::Exception);
    virtual std::set<Core::String> list(const Core::String &type) throw (Core::Exception);

    virtual bool exists(const Core::String &type, const Core::String &name) throw (Core::Exception);

    virtual void store(const Core::String &type, const Core::String &name, const Common::XmlData *data) throw (Core::Exception);
    virtual boost::shared_ptr<Common::XmlData> load(const Core::String &type, const Core::String &name) throw (Core::Exception);

    virtual void copy(const Core::String &type, const Core::String &name, const Core::String &newName) throw (Core::Exception);
    virtual void rename(const Core::String &type, const Core::String &name, const Core::String &newName) throw (Core::Exception);
    virtual void remove(const Core::String &type, const Core::String &name) throw (Core::Exception);

  public:
    StorageBackendFile(Common::Application *application0) : application(application0), configured(false) {
      application->getConfigManager()->registerConfigurable(this);
    }

    virtual ~StorageBackendFile() {
      application->getConfigManager()->unregisterConfigurable(this);
    }


};

}
}
}

#endif /* MAD_MODULES_STORAGEBACKENDFILE_STORAGEBACKENDFILE_H_ */