Welcome back to another installment of This Week in Spring. As usual, we've got a lot to cover. In particular, you'll note that this week's roundup features a lot of great Spring Batch content. So, let's get to it -- and don't forget the SpringOne2GX early bird rate ends Aug 9th!

1. I did a webinar introducing how to build REST APIs with Spring's rich REST stack a few weeks ago, and I'm happy to report that the talk - which introduces Spring MVC, Spring HATEOAS, Spring REST Shell, Spring Data REST, Spring Security OAuth and Spring Social in terms of a simple sample application that we refine - is now available on the SpringSourceDev YouTube Channel. As I mentioned last week, the slides are available on my SlideShare.net page and the code is available on my GitHub page. Enjoy, and don't hesitate to feedback/ask questions at josh(dot)long(at)SpringSource(dot)com!
2. InfoQ has a great post introducing JSR 352, the Java Batch specification. If you're a Spring Batch user, then a lot of this will look very familiar! I think this is a particularly nice JSR, and encourage you to check it out. Spring
3. Chris Schaefer has put together a brilliant Spring Batch refcard for DZone which went up yesterday, head over to DZone for the free download.
4. Craig Walls has announced that Spring Social Facebook 1.0.3 is now available. The new release addresses breaking changes in the upcoming Facebook API revision.
5. Gary Russell has announced that Spring AMQP 1.2.0 release candidate is now available. The new release features many improvements and bug fixes.
6. Johnathan Mark Smith is back at it again, with a blog on RESTTemplate To Post Data to a Web Service. Nice work Jonathan!
7. This week SpringSource is offering a four-day Groovy & Grails class in San Francisco, check it out here
8. Our pal Tobias Flohre is back with the 4th installment of his series introducing Java configuration with Spring Batch.
9. Leleu Jérôme has released a Spring Security Pac4J client. It has OAuth with providers, OpenID, CAS, and HTTP.
10. Are you a Spring Champion? Enter to win a free SpringOne2GX 2013 pass!
    
11. Vamsi Kancharla put together a nice sample project with Spring MVC, bean-validation, error handling (using @ControllerAdvice), protection against XSS and input form attacks, and a lot more. Check it out!
12. Kim Saabye Pedersen put together a nice post reinforcing some useful (and hopefully well-understood!) principles of singletons in Spring.
13. Hantsy Bai has put together a very nice post explaining how to create a Spring project from the Spring Tool Suite.