code: public static void isNotZeroLength( String argument,
                                          String name ) {
          isNotNull(argument, name);
          if (argument.length() <= 0) {
              throw new IllegalArgumentException(CommonI18n.argumentMayNotBeNullOrZeroLength.text(name));
          }
      }
docs: Check that the string is non-null and has length > 0
  
  @param argument The argument
  @param name The name of the argument
  @throws IllegalArgumentException If value is null or length == 0