private Optional<String> guessExtension(byte[] bytes) {
try {
// No extension : try to guess it
MagicMatch match = Magic.getMagicMatch(bytes);
String guessedExtension = match.getExtension();
if (!Strings.isNullOrEmpty(guessedExtension)) {
return Optional.of(guessedExtension);
} else {
return Optional.absent();
}
} catch (Exception e) {
this.logger.warn("Error while attempting to guess attachment extension", e);
return Optional.absent();
}
}
