function importFileInputNode($util)
 {
     $name = $util->attributeValue('name');
     $class = $util->attributeValue('class', XmlUtility::OPTIONAL);
     $id = $util->attributeValue('id', XmlUtility::OPTIONAL);
     $input = new FileInput($name, $class, $id, '');
     $this->inputs[$input->name()] = $input;
     $this->output .= $input->getTemplateData();
     $this->current_input = $input;
 }