Early Access: Google Calendar Integration

Subversion contains code that allows to pull your schedule off your Google or Google Apps calendar.

As usual, if you can read source code (dz3-scheduler-gcal is the module to look at) and configure a Spring IoC container, you will have no trouble utilizing it.

Put Your Tinfoil Hat Away

For the paranoid out there: you don't have to write your precious authentication credentials into the configuration in plaintext - you can skip them from the configuration altogether and provide them to the runtime environment via JMX.