Java Upload Bean (Free for non-commercial)

http://www.javazoom.net/jzservlets/uploadbean/uploadbean.html

UploadBean 1.9 is a JAVA™ component (JavaBean™) that allows to upload files from browser. This bean could be integrated in any JSP/Servlets application. You can store uploaded files in a Folder, a ZIP archive, a Database or in Memory. Restrictions such as file size limit, blacklist/whitelist and max. uploaded files are available. You can also be notified when on upload events. UploadBean is free for non-commercial use. Add-ons section provides tools such as email notification on each uploads, real time progress bar on upload, custom database store sample, renaming plugin, chinese upload jsp sample, JSF plugin ...