title: Media analysis java library
body: <p>As a "learn Groovy" project, I'm developing a site to manage my media collection (MP3, MP4, AVI, OGG) and I wasn't able to find any open source library to retrieve meta data from this files. I was thinking of something like Linux's file command.
  I've found few libraries on Java that do one or the other (like mp3info), but not a total solution even for just music files.
  Does such a library exists? Will this become another hobby project?
  Thanks for the answers</p>