field = configurationForm.getField("x-muc#roomconfig_reservednick");
field.clearValues();
field.addValue((room.isLoginRestrictedToNickname() ? "1" : "0"));
field = configurationForm.getField("x-muc#roomconfig_canchangenick");
field.clearValues();
field.addValue((room.canChangeNickname() ? "1" : "0"));
field = configurationForm.getField("x-muc#roomconfig_registration");
field.clearValues();
field.addValue((room.isRegistrationEnabled() ? "1" : "0"));