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RESTful Java Web Services, Second Edition

You're reading from   RESTful Java Web Services, Second Edition Design scalable and robust RESTful web services with JAX-RS and Jersey extension APIs

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Product type Paperback
Published in Sep 2015
Publisher
ISBN-13 9781784399092
Length 354 pages
Edition 1st Edition
Languages
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Author (1):
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Jobinesh Purushothaman Jobinesh Purushothaman
Author Profile Icon Jobinesh Purushothaman
Jobinesh Purushothaman
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Table of Contents (11) Chapters Close

Preface 1. Introducing the REST Architectural Style FREE CHAPTER 2. Java APIs for JSON Processing 3. Introducing the JAX-RS API 4. Advanced Features in the JAX-RS API 5. Introducing the Jersey Framework Extensions 6. Securing RESTful Web Services 7. The Description and Discovery of RESTful Web Services 8. RESTful API Design Guidelines A. Useful Features and Techniques Index

Introducing validations in JAX-RS applications


Validation is the process of ensuring the completeness and sanity of business data before posting to the underlying data source. Validating the client input is very important for any REST API that you build. In this section, we will see the offering in JAX-RS for validating the client input.

The JAX-RS 2.0 release allows you to validate the resource class and methods via Java Bean Validation. This framework is a Java specification, which lets you specify the validation rules on the objects or hierarchy of objects via the built-in annotations; it also lets you write the reusable validation rules for handling various use cases. Bean Validation is integrated into the Java EE platform, allowing developers to easily define and enforce the validation rules across various components that come as a part of Java EE. The following list of the Java EE components supports Bean Validation: JAX-RS, JAXB, JPA, EJB, JSF, and CDI.

The latest release of Bean Validation...

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