jsonconfiguration.h

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/*******************************************************************************
 * wallaroo - A library for configurable creation and wiring of C++ classes.
 * Copyright (C) 2012 Daniele Pallastrelli
 *
 * This file is part of wallaroo.
 * For more information, see http://wallaroolib.sourceforge.net/
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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 ******************************************************************************/

#ifndef WALLAROO_JSONCONFIGURATION_H_
#define WALLAROO_JSONCONFIGURATION_H_

#include "catalog.h"
#include "detail/ptreebasedcfg.h"
#include <boost/property_tree/json_parser.hpp>

using namespace boost::property_tree;

namespace wallaroo
{

class JsonConfiguration : private detail::PtreeBasedCfg
{
public:
    explicit JsonConfiguration( const std::string& fileName ) :
        detail::PtreeBasedCfg( tree )
    {
        try
        {
            read_json( fileName, tree );
        }
        catch ( const json_parser_error& e )
        {
            throw WrongFile( e.what() );
        }
    }

    void LoadPlugins()
    {
        detail::PtreeBasedCfg::LoadPlugins();
    }

    void Fill( Catalog& catalog )
    {
        detail::PtreeBasedCfg::Fill( catalog );
    }
private:
    ptree tree;
};

} // namespace

#endif