/** * Concatenates firstName and lastName. * * @param user The consumer. * @return The customers firstName and lastName. */ @NonNull private String getCustomerName(final User user) { final StringBuilder customerName = new StringBuilder(); if (!TextUtils.isEmpty(user.getFirstName())) { customerName.append(user.getFirstName()); } if (!TextUtils.isEmpty(user.getLastName())) { customerName.append(" ").append(user.getLastName()); } return customerName.toString(); }