protected int getDefaultPort() {
        return SmbConstants.DEFAULT_PORT;
    }
    public URLConnection openConnection( URL u ) throws IOException {
        return new SmbFile( u );
    }
    protected void parseURL( URL u, String spec, int start, int limit ) {
        String host = u.getHost();
        String path, ref;
        int port;

        if( spec.equals( "smb1://" )) {
            spec = "smb1:////";

        if ( this.transportContext == null ) {
            this.transportContext = SingletonContext.getInstance();
        }
        return this.transportContext;
    }


    @Override
    protected void parseURL ( URL u, String spec, int start, int limit ) {
        String host = u.getHost();
        String path, ref;
        int port;

        if ( spec.equals("smb://") ) {
            spec = "smb:////";

     */
    public void testToJarFilePath() throws Exception {
        final URL url = new URL(null, "zip:/Program Files/foo.zip!/", new URLStreamHandler() {
            @Override
            protected void parseURL(final URL u, final String spec, final int start, final int limit) {
                setURL(u, "zip", null, 0, null, null, spec.substring(4), null, null);
            }

            @Override

  integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==

parseurl@~1.3.3:
  version "1.3.3"
  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
  integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==

	QueueLimit           uint64         `json:"queueLimit"`
}

// Validate MQTTArgs fields
func (m MQTTArgs) Validate() error {
	if !m.Enable {
		return nil
	}
	u, err := xnet.ParseURL(m.Broker.String())
	if err != nil {
		return err
	}
	switch u.Scheme {
	case "ws", "wss", "tcp", "ssl", "tls", "tcps":
	default:
		return errors.New("unknown protocol in broker address")
	}

		}
		if !enabled {
			continue
		}

		brokerEnv := target.EnvMQTTBroker
		if k != config.Default {
			brokerEnv = brokerEnv + config.Default + k
		}

		brokerURL, err := xnet.ParseURL(env.Get(brokerEnv, kv.Get(target.MqttBroker)))
		if err != nil {
			return nil, err
		}

		reconnectIntervalEnv := target.EnvMQTTReconnectInterval
		if k != config.Default {