Note - This Project is dead. Tho code created here was could not be used successfully. But the idea behind this project is not dead. There exists a successor project which sincerely is not yet ready for public. Contact bihrm@sf.net for more information.
Java access to USB, currently using kernel 2.4 Linux-USB support. There is a "core" API for accessing USB devices, and simple tools including a USB viewer in Swing. Applications are being developed separately, including digital camera support.