public  void processAction(ActionEvent event) 
{
        if (LOGGER.isLoggable(Level.FINE)) {
            LOGGER.fine(MessageFormat.format("processAction({0})",
                                             event.getComponent().getId()));
        }
        UIComponent source = event.getComponent();
        ActionSource actionSource = (ActionSource) source;
        FacesContext context = FacesContext.getCurrentInstance();
        Application application = context.getApplication();
        Object invokeResult;
        String outcome = null;
        MethodBinding binding;
        binding = actionSource.getAction();
        if (binding != null) {
            try {
                if (null != (invokeResult = binding.invoke(context, null))) {
                    outcome = invokeResult.toString();
                }
                // else, default to null, as assigned above.
            } catch (MethodNotFoundException e) {
                if (LOGGER.isLoggable(Level.SEVERE)) {
                    LOGGER.log(Level.SEVERE, e.getMessage(), e);
                }
                throw new FacesException
                      (binding.getExpressionString() + ": " + e.getMessage(),
                       e);
            }
            catch (EvaluationException e) {
                if (LOGGER.isLoggable(Level.SEVERE)) {
                    LOGGER.log(Level.SEVERE, e.getMessage(), e);
                }
                throw new FacesException
                      (binding.getExpressionString() + ": " + e.getMessage(),
                       e);
            }
        }
        // Retrieve the NavigationHandler instance..
        NavigationHandler navHandler = application.getNavigationHandler();
        // Invoke nav handling..
        navHandler.handleNavigation(context,
                                    (null != binding) ?
                                    binding.getExpressionString() : null,
                                    outcome);
        // Trigger a switch to Render Response if needed
        context.renderResponse();
}