/** * @param email Email address of recipient. Character length and limitations: 127 single-byte * characters maximum. * @param amount Payment amount. * @return * @throws IllegalArgumentException */ public static MassPayItem getNewEmailMassPayItem(String email, String amount) throws IllegalArgumentException { if (!Validator.isValidEmail(email)) { throw new IllegalArgumentException("email is not valid"); } if (email.length() > 127) { throw new IllegalArgumentException("email cannot be longer than " + "127 characters"); } return new MassPayItem("L_EMAIL", email, amount); }