private boolean validateExtension(String filename) {
if (filename == null || filename.length() == 0) {
return !avoidEmptyFile;
}
boolean valid = Utils.validateExtension(validExtensions, filename);
if (!valid) {
finished = true;
statusWidget.setError(i18nStrs.uploaderInvalidExtension() + validExtensionsMsg);
statusWidget.setStatus(Status.INVALID);
}
return valid;
}
