One of the most requested features on any site that accepts file submissions is the ability to handle multiple uploads elegantly. The current HTML standard only permits one file upload at a time, which makes transferring a large number of files quite tedious.
This tutorial will show how to painlessly integrate Uploadify and Java using Apache Wicket. You should have at least beginner-level knowledge of Wicket before moving forward, but feel free to dive right in even if you’ve never used Wicket before. (If you haven’t used Wicket before, I can’t suggest it strongly enough for developing stateful Java-based web applications.)