public function getTemplateContent(){

        $standardRpTemplateFolder = dirname(__FILE__).'/../data/qtiv2p1/rptemplates/';
        switch($this->uri){
            case self::MATCH_CORRECT:
                $returnValue = file_get_contents($standardRpTemplateFolder.'match_correct.xml');
                break;
            case self::MAP_RESPONSE:
                $returnValue = file_get_contents($standardRpTemplateFolder.'map_response.xml');
                break;
            case self::MAP_RESPONSE_POINT:
                $returnValue = file_get_contents($standardRpTemplateFolder.'map_response_point.xml');
                break;
            case self::NONE:
                $returnValue = '';
                break;
            default:
                throw new QtiModelException('unknown rp template');
        }
        return $returnValue;
    }