* @see java.lang.AutoCloseable#close()
     */
    @Override
    void close () throws CIFSException;


    /**
     * @return whether the FD is open and valid
     */
    boolean isOpen ();


    /**
     * @return whether the FD was previously open but became invalid
     */
    boolean isStale ();


    /**
     * @param type
     * @return unwrapped instance
     */

        boolean wasOpen = isOpen();
        this.open = false;
        if ( this.input != null ) {
            this.input.close();
            this.input = null;
        }

        if ( this.output != null ) {
            this.output.close();
            this.output = null;
        }

        try {
            if ( wasOpen ) {
                this.handle.close();

    public void write( byte[] b ) throws IOException {
        write( b, 0, b.length );
    }

    public boolean isOpen()
    {
        return file.isOpen();
    }
    void ensureOpen() throws IOException {
        // ensure file is open
        if( file.isOpen() == false ) {
            file.open( openFlags, access | SmbConstants.FILE_WRITE_DATA, SmbFile.ATTR_NORMAL, 0 );
            if( append ) {

        this.handle = handle;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbFileOutputStream#isOpen()
     */
    @Override
    public boolean isOpen () {
        return this.handle.isOpen();
    }


    @Override
    protected synchronized SmbTreeHandleImpl ensureTreeConnected () throws CIFSException {
        return this.handle.ensureTreeConnected();

this.showMeridian?" "+this.meridian:"")},hideWidget:function(){this.isOpen!==!1&&(this.$element.trigger({type:"hide.timepicker",time:{value:this.getTime(),hours:this.hour,minutes:this.minute,seconds:this.second,meridian:this.meridian}}),"modal"===this.template&&this.$widget.modal?this.$widget.modal("hide"):this.$widget.removeClass("open"),a(c).off("mousedown.timepicker, touchend.timepicker",this.handleDocumentClick),this.isOpen=!1,this.$widget.detach())},highlightUnit:function(){this.position=th...

    public int read( byte b[], int off, int len ) throws SmbException {
        if( len <= 0 ) {
            return 0;
        }
        long start = fp;

        // ensure file is open
        if( file.isOpen() == false ) {
            file.open( openFlags, 0, SmbFile.ATTR_NORMAL, options );
        }

        int r, n;
        SmbComReadAndXResponse response = new SmbComReadAndXResponse( b, off );
        do {

                    int off,
                    int length,
                    boolean isDirect) throws IOException {
        if (out != null && out.isOpen() == false)
            throw new IOException("DCERPC pipe is no longer open");

        if (in == null)
            in = (SmbFileInputStream)pipe.getNamedPipeInputStream();
        if (out == null)

    }


    /**
     * @return whether the stream is open
     */
    public boolean isOpen () {
        return this.handle != null && this.handle.isValid();
    }


    protected synchronized SmbFileHandleImpl ensureOpen () throws CIFSException {
        if ( !isOpen() ) {
            // one extra acquire to keep this open till the stream is released

  /**
   * Returns true if this stream is open. A stream is open until either:
   *
   *  * A `SYN_RESET` frame abnormally terminates the stream.
   *  * Both input and output streams have transmitted all data and headers.
   *
   * Note that the input stream may continue to yield data even after a stream reports itself as
   * not open. This is because input data is buffered.
   */
  val isOpen: Boolean
    @Synchronized get() {

     */
    int connectionState;
    int tid;

    String share;
    String service = "?????";
    String service0;
    SmbSession session;
    boolean inDfs, inDomainDfs;
    int tree_num; // used by SmbFile.isOpen

    SmbTree( SmbSession session, String share, String service ) {
        this.session = session;
        this.share = share.toUpperCase();
        if( service != null && service.startsWith( "??" ) == false ) {