int byteCount = 0; byteCount = in.read(readArray);
int byteCount = in.read(readArray);
	public int read( ByteBuffer dst ) throws IOException {        if (needsCrypt())        {            return supporter.read(dst);        }        int byteCount = 0;        byteCount = in.read(readArray);        if(byteCount <= 0)        	return byteCount;        dst.put(readArray,dst.position(),byteCount);        return byteCount;	}