GraphFileBackendManager.h

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/*
    This file is part of Rocs.
    Copyright 2010-2011  Tomaz Canabrava <tomaz.canabrava@gmail.com>
    Copyright 2010       Wagner Reck <wagner.reck@gmail.com>
    Copyright 2012       Andreas Cord-Landwehr <cola@uni-paderborn.de>

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef GRAPHFILEBACKENDMANAGER_H
#define GRAPHFILEBACKENDMANAGER_H
#include <QList>

#include "GraphFilePluginInterface.h"
#include "RocsCoreExport.h"
#include "CoreTypes.h"

class KPluginInfo;

class ROCSLIB_EXPORT GraphFileBackendManager: public QObject
{
    Q_OBJECT
public:
    enum PluginType {
        Import,
        Export
    };

    static GraphFileBackendManager * self();

    QList <GraphFilePluginInterface*> backends() const;

    QList <GraphFilePluginInterface*> backends(PluginType type) const;

    GraphFilePluginInterface* backendByExtension(QString ext);

    GraphFilePluginInterface* defaultBackend();

private:
    void loadBackends();

    GraphFileBackendManager();

    ~GraphFileBackendManager();

    static GraphFileBackendManager * instance;

    class GraphFileBackendManagerPrivate * d;
};

#endif // GRAPHFILEBACKENDMANAGER_H