code: @Override
    protected void processAttribute(XMLObject samlObject, Attr attribute) throws UnmarshallingException {
  
      MetadataList mdl = (MetadataList) samlObject;
  
      if (attribute.getLocalName().equals(MetadataList.TERRITORY_ATTR_NAME)) {
        mdl.setTerritory(attribute.getValue());
      }
      else {
        this.processUnknownAttribute(mdl, attribute);
      }
    }
docs: {@inheritDoc}