public static UIResults extractException ( HttpServletRequest httpRequest ) throws ServletException { UIResults results = ( UIResults ) httpRequest . getAttribute ( FERRET_NAME ) ; if ( results == null ) { throw new ServletException ( "No attribute.." ) ; } if ( results . exception == null ) { throw new ServletException ( "No WaybackException.." ) ; } if ( results . wbRequest == null ) { throw new ServletException ( "No WaybackRequest.." ) ; } if ( results . uriConverter == null ) { throw new ServletException ( "No ResultURIConverter.." ) ; } return results ; }
Extract an Exception UIResults from the HttpServletRequest . Probably used by a . jsp responsible for actual drawing errors for the user . private