This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Uploading a file can't be done - that is not what Hibernate is for. Assuming you have your file content in memory however, Hibernate does support binary data types, so you can persist it using this type.