String identifier = request.getChallengeResponse().getIdentifier(); String secret = request.getChallengeResponse().getSecret();  if ((identifier != null) && (secret != null))
if(request.getChallengeResponse() != null)
	protected int authorize(Request request)	{		int result = 0;		String identifier = request.getChallengeResponse().getIdentifier();		String secret = request.getChallengeResponse().getSecret();		if ((identifier != null) && (secret != null))		{			if (secret.equals(getAuthorizations().get(identifier)))			{				result = 1;			}			else			{				result = -1;			}		}		return result;	}