* 
     * @param a
     */

    public synchronized static void setDefault ( NtlmAuthenticator a ) {
        if ( auth != null ) {
            return;
        }
        auth = a;
    }


    /**
     * 
     * @return the default authentiucation credentials
     */
    public static NtlmAuthenticator getDefault () {
        return auth;
    }

    }

/**
Set the default <tt>NtlmAuthenticator</tt>. Once the default authenticator is set it cannot be changed. Calling this metho again will have no effect.
 */

    public synchronized static void setDefault( NtlmAuthenticator a ) {
        if( auth != null ) {
            return;
        }
        auth = a;
    }

    protected final String getRequestingURL() {
        return url;
    }

            if ( renewed != null ) {
                this.creds = renewed;
                return true;
            }
        }
        NtlmAuthenticator auth = NtlmAuthenticator.getDefault();
        if ( auth != null ) {
            NtlmPasswordAuthenticator newAuth = NtlmAuthenticator

    static final int TID_OFFSET        = 24;
    static final int HEADER_LENGTH     = 32;

    static final long MILLISECONDS_BETWEEN_1970_AND_1601 = 11644473600000L;
    static final TimeZone TZ = TimeZone.getDefault();

    static final boolean USE_BATCHING = Config.getBoolean( "jcifs.smb1.smb.client.useBatching", true );
    static final String OEM_ENCODING = Config.getProperty( "jcifs.smb1.encoding", Config.DEFAULT_OEM_ENCODING );