code: @Override
      public IPerson getCurrentPerson(final ExternalContext externalContext) {
          final HttpServletRequest servletRequest =
                  getServletRequestFromExternalContext(externalContext);
          return personManager.getPerson(servletRequest);
      }
docs: /* (non-Javadoc)
  @see org.apereo.portal.spring.web.flow.IPortalWebFlowUtils#getCurrentPerson(org.springframework.webflow.context.ExternalContext)