/*
 * This source file is part of KEOS (Free 3D Engine)
 * For the latest info, see http://www.keosengine.org/
 * E-mails : thierry.vouriot@keosengine.org, yeri@keosengine.org
 * 
 * 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 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 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, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 * http://www.gnu.org/copyleft/lesser.txt.
 *
 */
#ifndef KEOS_LOADER_H
#define KEOS_LOADER_H

#include "KeosPrerequisites.h"
#include "KeosException.h"

namespace Keos
{
    //-----------------------------------------------------------------------
    /** Base class for the loaders.
     */
    template <class T>
    class ILoader
    {
    public :

        /** Destructor.
         */
        virtual ~ILoader() {}

        /** Load a T object from a file.
         *  @param strFilename Name of the file.
         *  @return Pointer on the object T.
         */
        virtual T* LoadFromFile(const String& strFilename)
        {
            LOADINGFAILED_EXCEPT(strFilename, "The loader registered for this format does not take care of the import"
                , "ILoader::LoadFromFile");
        }

        /** Save a T object into a file.
         *  @param pObject Object to be saved.
         *  @param strFilename Name of the file.
         */
        virtual void SaveToFile(const T* pObject, const String& strFilename)
        {
            LOADINGFAILED_EXCEPT(strFilename, "The loader registered for this format does not take care of the export"
                , "ILoader::SaveToFile");
        }

    protected :
        
        /** Protected constructor --> abstract class.
         */
        ILoader() {}
    };

} // namespace Keos


#endif // KEOS_LOADER_H
