Best of this Week Summary 8 February - 14 February 2010

• Five new features of Spring 3.0 described:
  
  
  • Spring Expression Language (SpEL)
    
  
  
  • Object/XML Mapping (OXM) module
    
  
  
  • Type-conversion system
    
  
  
  • Formatter SPI
    
  
  
  • RESTful web services support
    
  
  What new Ajax simplifications have been introduced can be found here.
  


• The Java EE 6 web tier introduces with Servlet 3.0 spec the ability for asynchronous processing of requests so that the thread may return to the container and perform other tasks. It also "adds annotation based configuration (@WebServlet, @ServletFilter and @WebServletContextListener) making the web.xml file optional, and introduces a new concept of web fragments."
  


• Introductionary article to Apache Click. One difference between Click and Wicket is that Click is stateless by design, while Wicket is stateful. Both can be configured their "opposite" model, though these have their own pros/cons.
  Another main difference is that that Click uses templates (Velocity by default) where Wicket does not.
  
  Sidestep: here's a bunch of nicely designed Wicket sites that scale (note: not really clear where the scalability statements come from).
  


• A 60 minutes presentation on how SOA is a hit at eBay.