Pagination with Spring MVC, Spring Data and Java Config

Spring 3.1 has a lot of features for limiting the boiler-plate code you have to write for common functionality.  One great example is pagination.  Getting paged data from a database and presenting it to the user is one of those tasks that everyone seems to reinvent even though it's common functionality that is never specific to your business.  Spring Data provides some facilities to add pagination to your application with a minimal amount of code.  The documentation on this is pretty good and it includes some steps on how to set up both in the data tier and the web tier.  Unfortunately, the documentation is unclear in a few places (see below) and doesn't explain at all how to use a Java Config.  This post tries to fill those gaps.

I wrote A Facebook To GMail Syncing App

I wrote an app that syncs your Facebook Friends and GMail Contacts!  Actually, I rewrote an app that syncs your Facebook Friends and GMail Contacts.  The first version had some flaws.  But this version is new and improved.  Let me count the ways: