import jcifs.util.Hexdump;


/**
 * This class used to wrap a {@link SSPContext} to provide SPNEGO feature.
 * 
 * @author Shun
 *
 */
class SpnegoContext implements SSPContext {

    private static final Logger log = LoggerFactory.getLogger(SpnegoContext.class);

    private static ASN1ObjectIdentifier SPNEGO_MECH_OID;

    static {
        try {

                + ",realm=" + this.realm + "]";
    }


    private SpnegoContext createContext ( CIFSContext tc, String targetDomain, String host ) throws GSSException {
        return new SpnegoContext(
            tc.getConfig(),
            new Kerb5Context(
                host,
                this.service,
                this.user,

        }
        catch ( SmbException e ) {
            throw e;
        }
        catch ( IOException e1 ) {
            log.debug("Ignoring invalid initial token", e1);
        }

        return new SpnegoContext(tc.getConfig(), setupTargetName(tc, host, new NtlmContext(tc, this, doSigning)));
    }


    private static SSPContext setupTargetName ( CIFSContext tc, String host, NtlmContext ntlmContext ) {