/**
  * {@inheritdocs}
  */
 public function filter($value)
 {
     $configArray = $this->getPurifierConfig();
     if (empty($configArray)) {
         return $this->purifier->purify($value);
     }
     $purifierConfig = HtmlPurifierConfigFactory::createConfig($configArray);
     return $this->purifier->purify($value, $purifierConfig);
 }