private void normalizeCommandLength(){
  System.arraycopy(OctetUtil.intToBytes(bytesLength),0,bytes,0,4);
}

private void normalizeCommandLength ( ) { System . arraycopy ( OctetUtil . intToBytes ( bytesLength ) , 0 , bytes , 0 , 4 ) ; }
assign the proper command length to the first 4 octet .
