*/
package jcifs.smb;


/**
 * @author mbechler
 *
 */
public interface SmbRenewableCredentials extends CredentialsInternal {

    /**
     * Renew the credentials
     * 
     * @return the renewed credentials
     */
    CredentialsInternal renew ();

            return null;
        }
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbRenewableCredentials#renew()
     */
    @Override
    public CredentialsInternal renew () {
        log.debug("Renewing credentials");
        this.cachedSubject = null;
        getSubject();
        return this;
    }


    /**
     * {@inheritDoc}

        Credentials cred = getCredentials();
        if ( cred instanceof SmbRenewableCredentials ) {
            SmbRenewableCredentials renewable = (SmbRenewableCredentials) cred;
            CredentialsInternal renewed = renewable.renew();
            if ( renewed != null ) {
                this.creds = renewed;
                return true;
            }
        }
        NtlmAuthenticator auth = NtlmAuthenticator.getDefault();

                    throw sae;
                }
            }
            else if ( this.ctx.renewCredentials(loc.getURL().toString(), sae) ) {
                log.debug("Trying to renew credentials after auth error");
                try ( SmbSessionInternal s = trans.getSmbSession(this.ctx, treesess.getTargetHost(), treesess.getTargetDomain())
                        .unwrap(SmbSessionInternal.class);