source: source/ariba/utility/configuration/Configuration.h@ 6880

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// The Ariba-Underlay Copyright

//

// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)

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// UniversitÀt Karlsruhe (TH)

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// [License]



#ifndef __CONFIGURATION_H

#define __CONFIGURATION_H



#include <boost/utility.hpp>

#include <string>

#include "ConfigFile.h"

#include "ariba/utility/logging/Logging.h"



using std::string;



namespace ariba {

namespace utility {



class Configuration : private boost::noncopyable {

        use_logging_h(Configuration);

private:

        ConfigFile* config;

        static string CONFIG_FILE;



protected:

        Configuration();

        ~Configuration();



public:

        static Configuration& instance();

        static void setConfigFilename(string filename);

        static bool haveConfig();



        /**

         * Check if a key exists in the configuration

         */

        bool exists(const string& name);



        /**

         * Read a value from the configuration

         */

        template<class T>

        T read(string name){

                if( !exists(name) )

                        logging_error( "configuration key not found: " + name );



                return config->read<T>(name.c_str());

        }



        /**

         * Reparse the configuration for changes in

         * the file to take effect

         */

        void reload();

};



}} // namespace ariba, utility



#endif //__CONFIGURATION_H