protected String renderErrorPageToHTML ( final WComponent errorPage ) { // Check if using the default error page boolean defaultErrorPage = errorPage instanceof FatalErrorPage ; String html = null ; // If not default implementation of error page, Transform error page to HTML if ( ! defaultErrorPage ) { // Set UIC and Environment (Needed for Theme Paths) UIContext uic = new UIContextImpl ( ) ; uic . setEnvironment ( createEnvironment ( ) ) ; UIContextHolder . pushContext ( uic ) ; try { html = WebUtilities . renderWithTransformToHTML ( errorPage ) ; } catch ( Exception e ) { LOG . warn ( "Could not transform error page." , e ) ; } finally { UIContextHolder . popContext ( ) ; } } // Not transformed. So just render. if ( html == null ) { UIContextHolder . pushContext ( new UIContextImpl ( ) ) ; try { html = WebUtilities . render ( errorPage ) ; } catch ( Exception e ) { LOG . warn ( "Could not render error page." , e ) ; html = "System error occurred but could not render error page." ; } finally { UIContextHolder . popContext ( ) ; } } return html ; }
Render the error page component to HTML .