ContentHeaderBody headerBody = mmd.getContentHeaderBody();
final int bodySize = headerBody.getSize();
byte[] underlying = new byte[bodySize];
ByteBuffer buf = ByteBuffer.wrap(underlying);
headerBody.writePayload(buf);
/*
Blob dataAsBlob = conn.createBlob();
dataAsBlob.setBytes(1L, underlying);
stmt.setBlob(6, dataAsBlob);
*/