Wednesday Apr 09, 2014

Method Validation in Bean Validation 1.1

Although it's a point release Bean Validation 1.1 brings a number of important features to Java EE 7. Easily the most important such feature is method validation. Beyond helping enforce design-by-contract in key service layer API classes (typically implemented in EJB3 or CDI) method validation plays an important role in helping ensure valid input to remote client endpoins written in JAX-RS and WebSocket. Hardy Ferentschik of the JBoss community explains the feature well. There's also the 15-minute Bean Validation 1.1 presentation by specification lead Emmanuel Bernard on the GlassFish videos YouTube channel as well the slide deck for my own lighting talk:

If you are interested in how method validation might be used in a realistic scenario with JAX-RS and WebSocket, feel free to dig into my example application on GitHub demostrating how Java EE 7 can be used with JavaScript MV* frameworks (in this case AngularJS).