/**
 * @file
 * $Id$
 * $Revision$
 * $Author$
 * $Date$
 *
 * This file is part of The iWear Framework.
 *
 * The iWear Framework 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 as in version 2 of the License.

 * 
 * The iWear Framework 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
 * The iWear Framework; if not, write to the Free Software Foundation, Inc., 59
 * Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __IWEAR_CONFIGSAVER_H
#define __IWEAR_CONFIGSAVER_H

#include <iwear/configuration.h>

namespace iwear
{

/**
 * This is a base class for all those that want to build savers for configurations.
 */
class IWAPIT ConfigSaver
{
private:
protected:
    Configuration& conf;

    Configuration::ConfigNode* get_node( const Configuration& c, const std::string& p ) const 
    {
	Configuration::const_getpair r = c.internal_get(p);
	if( r.second != Configuration::node )
	{
	    THROW(iwlogic_error,("This configuration path is not available"));
	}
	return r.first.node;
    }
public:
    ConfigSaver( Configuration& c ) : conf(c) { }
    virtual ~ConfigSaver() { }

    /**
     * This saves the configuration, beginning at the specified path. If a file
     * or directory is needed, it must be created (similarily for database
     * tables etc.)
     */
    virtual void save( const std::string& ) = 0;
};

}

#endif