if (first == true) {
first = false;
} else {
buf.append(", ");
}
final UserRightId userRightId = right.getRightId();
buf.append(getString(userRightId.getI18nKey()));
if (right.getValue() == UserRightValue.READONLY) {
buf.append(" (ro)");
} else if (right.getValue() == UserRightValue.PARTLYREADWRITE) {
buf.append(" (prw)");
} else if (right.getValue() == UserRightValue.READWRITE) {