int response = parseResponseCode();
            if (response != HTTP_UNAUTHORIZED && response != HTTP_PROXY_AUTH) {
                return;
            }
            Type1Message type1 = (Type1Message) attemptNegotiation(response);
            if (type1 == null) return; // no NTLM
            int attempt = 0;
            while (attempt < MAX_REDIRECTS) {
                connection.setRequestProperty(authProperty, authMethod + ' ' +

        try {
            int response = parseResponseCode();
            if ( response != HTTP_UNAUTHORIZED && response != HTTP_PROXY_AUTH ) {
                return;
            }
            NtlmMessage type1 = attemptNegotiation(response);
            if ( type1 == null )
                return; // no NTLM
            int attempt = 0;
            while ( attempt < MAX_REDIRECTS ) {