/**
  * HTML Content for external link
  *
  * @return string
  */
 public function getExternalLink()
 {
     $title = $this->file ? $this->file->getTitle() : $this->getName();
     return sprintf('<a href="%1$s" title="%2$s" target="_blank" rel="external" class="file-url">%1$s</a>', Convert::raw2att($this->url), Convert::raw2att($title));
 }