private function _loadOptionsFromFile($strFileName){
    	//get the path for the class file and name and add the .json extension to the file name
    	$objReflector = new \ReflectionClass($this);
    	$strFileName = dirname($objReflector->getFileName()).'/'.$strFileName.'.json';

    	if(file_exists($strFileName)){
			return file_get_contents($strFileName);
    	}

		throw new MissingOptionsFileException($strFileName);
    }