May 2015
Beginner to intermediate
412 pages
8h 44m
English
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Bean Validation and transformation
Validating input received from the user to maintain data integrity is an important part of application logic. Validation of data can take place at different layers in an application. Bean Validation (http://beanvalidation.org) is a validation model available as part of the Java EE 6 platform, which allows validation by constraints in the form of annotations placed on a field, method, or class. JSF 2.2 supports validation placed on fields (properties and their getters/setters) in managed beans as well as Spring and CDI beans. Validation on the class level is not supported as long as you do not use utilities such as OmniFaces (http://showcase.omnifaces.org/validators/validateBean).
The PrimeFaces' CSV has a built-in ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.