code: public Long getLongReqPar(final String name) throws Throwable {
      String reqpar = getReqPar(name);
  
      if (reqpar == null) {
        return null;
      }
  
      return Long.valueOf(reqpar);
    }
docs: Get a Long request parameter or null.
  
  @param name    name of parameter
  @return  Long   value or null
  @throws Throwable