source: source/ariba/utility/configuration/Configuration.h@ 10092

// [License]
// The Ariba-Underlay Copyright
//
// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
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// Institute of Telematics
// UniversitÀt Karlsruhe (TH)
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// Germany
//
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// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
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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