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Java EE 7 Web Application Development

You're reading from   Java EE 7 Web Application Development Develop Java enterprise applications to meet the emerging digital standards using Java EE 7

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Product type Paperback
Published in Sep 2015
Publisher
ISBN-13 9781782176640
Length 486 pages
Edition 1st Edition
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Author (1):
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Peter Pilgrim Peter Pilgrim
Author Profile Icon Peter Pilgrim
Peter Pilgrim
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Table of Contents (15) Chapters Close

Preface 1. Digital Java EE 7 FREE CHAPTER 2. JavaServer Faces Lifecycle 3. Building JSF Forms 4. JSF Validation and AJAX 5. Conversations and Journeys 6. JSF Flows and Finesse 7. Progressive JavaScript Frameworks and Modules 8. AngularJS and Java RESTful Services 9. Java EE MVC Framework A. JSF with HTML5, Resources, and Faces Flows B. From Request to Response C. Agile Performance – Working inside Digital Teams D. Curated References Index

Validation

There are a two main ways of achieving validation on the server side. One route to follow is through the use of Bean Validation version 1.1 from the Java EE 7 specification, and the other traditional route takes you through JSF validation.

Constraining form content with Bean Validation

Bean Validation is a specification that allows the developers to annotate the POJOs and entity beans and then call a custom validator instance to verify the properties. The validation framework works with Java annotation and thus, the digital engineer can firmly say how a property or even a method is validated.

I devoted an entire chapter to Bean Validation in the Java EE 7 Developer Handbook; nevertheless, I will run through the basics with you here, in this Digital Web Application book. There are several annotations in the Bean Validation 1.1 standard that you can use straightaway. However, if your platform allows or if you decide to add Hibernate Validator, then many more useful validation annotations...

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