code: public String getDisplayName(CmsObject cms, Locale locale) throws CmsException {
  
          return Messages.get().getBundle(locale).key(
              Messages.GUI_PRINCIPAL_DISPLAY_NAME_2,
              getSimpleName(),
              OpenCms.getOrgUnitManager().readOrganizationalUnit(cms, getOuFqn()).getDisplayName(locale));
      }
docs: Returns the display name of this principal including the organizational unit.<p>
  
  @param cms the cms context
  @param locale the locale
  
  @return the display name of this principal including the organizational unit
  
  @throws CmsException if the organizational unit could not be read