private Optional<DateTime> getTokenExpiryDate(TokenGrantInfo tokenGrantInfo)
throws OAuthProblemException {
if (!tokenGrantInfo.getAccessTokenExpires()) {
// Token does not expire
if (tokenGrantInfo.getGrantClientTokensMustExpire()) {
throw OAuthProblemException.error(OAuthError.ResourceResponse.INVALID_TOKEN);
}
return Optional.absent();
}
int expirySeconds;
try {
expirySeconds = Integer.parseInt(tokenGrantInfo.getAccessTokenExpiry());
} catch (NumberFormatException e) {
log.warning("NumberFormatException during token check: " + e);
throw OAuthProblemException.error(OAuthError.ResourceResponse.INVALID_TOKEN);
}
return Optional.of(
new DateTime(tokenGrantInfo.getGrantTimeStamp()).plusSeconds(Math.abs(expirySeconds)));
}
