@Override
    public void write(final byte b[], int off, int len) throws SmbException {
        if (len <= 0) {
            return;
        }

        // ensure file is open
        try (SmbFileHandleImpl fh = ensureOpen(); SmbTreeHandleImpl th = fh.getTree()) {
            int w;
            do {
                w = len > this.writeSize ? this.writeSize : len;
                long cnt;

        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, int bufferIndex, final int len) {
        final int start = bufferIndex;

        bufferIndex += 4;
        final int len = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        int elemStart = bufferOffset;
        FileNotifyInformationImpl i = new FileNotifyInformationImpl();
        bufferIndex += i.decode(buffer, bufferOffset, len);
        this.notifyInformation.add(i);

        while (i.getNextEntryOffset() > 0 && bufferIndex < bufferOffset + len) {

  // (You know that it's either going to read len bytes or stop at EOF.)
  public static int read(InputStream in, byte[] b, int off, int len) throws IOException {
    checkNotNull(in);
    checkNotNull(b);
    if (len < 0) {
      throw new IndexOutOfBoundsException(String.format("len (%s) cannot be negative", len));
    }
    checkPositionIndexes(off, off + len, b.length);
    int total = 0;
    while (total < len) {

  /*
   * Abstract methods from Writer
   */

  @Override
  public void write(char[] cbuf, int off, int len) throws IOException {
    checkNotClosed();
    // It turns out that creating a new String is usually as fast, or faster
    // than wrapping cbuf in a light-weight CharSequence.
    target.append(new String(cbuf, off, len));
  }

  /*
   * Override a few functions for performance reasons to avoid creating unnecessary strings.

        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) throws SMBProtocolDecodingException {
        if (len > this.outputBuffer.length) {

        return read(b, 0, b.length);
    }

    /* This method will not return until len bytes have been read
     * or the stream has been closed.
     */

    @Override
    public synchronized int read(final byte[] b, int off, int len) throws IOException {
        if (len == 0) {
            return 0;
        }
        int tot = 0;

        while (true) {
            while (bip > 0) {

            }

            int w;
            do {
                final int blockSize = this.file.getType() == SmbConstants.TYPE_FILESYSTEM ? this.writeSizeFile : this.writeSize;
                w = len > blockSize ? blockSize : len;

                if (this.smb2) {

    }

    private static SpnegoToken getToken(final byte[] token, final int off, final int len) throws SpnegoException {
        byte[] b = new byte[len];
        if (off == 0 && token.length == len) {
            b = token;
        } else {
            System.arraycopy(token, off, b, 0, len);
        }
        return getToken(b);
    }

    @Override
    public void write(final byte[] b, final int off, int len) throws IOException {
        if (len < 0) {
            len = 0;
        }

        if ((pipe.pipeType & SmbNamedPipe.PIPE_TYPE_CALL) == SmbNamedPipe.PIPE_TYPE_CALL) {
            pipe.send(new TransWaitNamedPipe(path), new TransWaitNamedPipeResponse());
            pipe.send(new TransCallNamedPipe(path, b, off, len), new TransCallNamedPipeResponse(pipe));