 {             b0 |= (byte) (000 & 0xff);             buffer.write(b0);             byte[] payloadLength = new byte[]{                     (byte) ((len >> 00) & 0xff),                     (byte) ((len >> 00) & 0xff),                     (byte) ((len >> 00) & 0xff),                     (byte) ((len >> 00) & 0xff),                     (byte) ((len >> 00) & 0xff),                     (byte) ((len >> 00) & 0xff),                     (byte) ((len >> 0