{
kerberosDecoder.decode( stream, authorizationDataContainer );
}
catch ( DecoderException de )
{
throw new KerberosException( ErrorType.KRB_AP_ERR_BAD_INTEGRITY, de );
}
// get the decoded AuthorizationData
AuthorizationData authorizationData = ( ( AuthorizationDataContainer ) authorizationDataContainer ).getAuthorizationData();