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

	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")
	}