GenericExecutableFactory.hpp

/* ***** BEGIN LICENSE BLOCK *****
 * FW4SPL - Copyright (C) IRCAD, 2009-2015.
 * Distributed under the terms of the GNU Lesser General Public License (LGPL) as
 * published by the Free Software Foundation.
 * ****** END LICENSE BLOCK ****** */

#ifndef __FWRUNTIME_UTILS_GENERICEXECUTABLEFACTORY_HPP__
#define __FWRUNTIME_UTILS_GENERICEXECUTABLEFACTORY_HPP__

#include <sstream>
#include <string>

#include "fwRuntime/Bundle.hpp"
#include "fwRuntime/ExecutableFactory.hpp"


namespace fwRuntime
{
namespace utils
{


template<typename E>
struct GenericExecutableFactory : public ExecutableFactory
{
    GenericExecutableFactory(const std::string& type)
        :   ExecutableFactory( type )
    {
    }

    virtual ~GenericExecutableFactory()
    {
    }


    IExecutable* createExecutable() const
    {
        IExecutable * result( 0 );
        try
        {
            result = new E();
        }
        catch( std::exception & exception )
        {
            std::ostringstream buffer;
            buffer << "Unexpected exception caught while creating an ::fwRuntime::IExecutable instance. ";
            buffer << exception.what();
            throw RuntimeException( buffer.str() );
        }
        catch( ... )
        {
            throw RuntimeException( "Unexpected exception caught while creating an ::fwRuntime::IExecutable instance." );
        }
        return result;
    }


    private:

        void operator=(const GenericExecutableFactory&) noexcept
        {
        }

};


} // namespace utils

} // namespace fwRuntime


#endif // __FWRUNTIME_UTILS_GENERICEXECUTABLEFACTORY_HPP__