code: public String getUserRoleLink(String name)
      {
          if (_roleMap==null)
              return name;
          String link=(String)_roleMap.get(name);
          return (link==null)?name:link;
      }
docs: get a user role link.
  @param name The name of the role
  @return The name as translated by the link. If no link exists,
  the name is returned.