code: <CE extends CatalogueEntity> CE invoke( final DigesterLoader digesterLoader, String uri, Parameter...parameters )
      {
          uri = checkNotNull( uri, "Input URI cannot be null" );
  
          try
          {
              return invoke( digesterLoader, new URI( uri ), parameters );
          }
          catch ( URISyntaxException e )
          {
              throw new RuntimeException( uri + " is not a valid URI", e );
          }
      }
docs: generic internal methods