* @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.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...

    }


    /**
     * @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

        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();

                    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)

    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 {

                        if ( dfd == null || !dfd.isValid() ) {
                            // don't reopen the file for every round if it's not necessary, keep the lock
                            dfd = openCopyTargetFile(dest, src.getAttributes(), !write);
                        }

                        // FSCTL_SRV_COPYCHUNK_WRITE allows to open the file for writing only, FSCTL_SRV_COPYCHUNK also
                        // needs read access

            return 0;
        }
        long start = fp;

        if( tmp == null ) {
            throw new IOException( "Bad file descriptor" );
        }
        // ensure file is open
        file.open( openFlags, access, SmbFile.ATTR_NORMAL, 0 );

        /*
         * Read AndX Request / Response
         */

        if( file.log.level >= 4 )