if (val.length() == 0) {
if (val == null || val.length() == 0) {
		private IStatus validateKey(String val) {			if (fSubstitution.getState() != NLSSubstitution.EXTERNALIZED) {				return StatusInfo.OK_STATUS;			}						if (val.length() == 0) {				return new StatusInfo(IStatus.ERROR, NLSUIMessages.ExternalizeWizardPage_NLSInputDialog_Error_empty_key); 			}			// validation so keys don't contain spaces			for (int i= 0; i < val.length(); i++) {				if (Character.isWhitespace(val.charAt(i))) {					return new StatusInfo(IStatus.ERROR, NLSUIMessages.ExternalizeWizardPage_NLSInputDialog_Error_invalid_key); 				}			}			return StatusInfo.OK_STATUS;		}