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Java EE 8 Application Development

You're reading from Java EE 8 Application Development Develop Enterprise applications using the latest versions of CDI, JAX-RS, JSON-B, JPA, Security, and more

Product type Paperback

Published in Dec 2017

Publisher Packt

ISBN-13 9781788293679

Length 372 pages

Edition 1st Edition

Languages

Java

Tools

Java EE

Concepts

Application Development

Author (1):

David R. Heffelfinger

View More author details

Table of Contents (15) Chapters

Preface

1. Introduction to Java EE FREE CHAPTER

2. JavaServer Faces

3. Object Relational Mapping with the Java Persistence API

4. Enterprise JavaBeans

5. Contexts and Dependency Injection

6. JSON Processing with JSON-P and JSON-B

7. WebSocket

8. Java Messaging Service

9. Securing Java EE Applications

10. RESTful Web Services with JAX-RS

11. Microservices Development with Java EE

12. Web Services with JAX-WS

13. Servlet Development and Deployment

14. Configuring and Deploying to GlassFish

Populating Java objects from JSON with JSON-B

A common programming task is to populate Java objects from JSON strings. It is such a common tasks that several libraries have been created to transparently populate Java objects from JSON, freeing application developers from having to manually code this functionality. There are some non-standard Java libraries that accomplish this task, such as Jackson (https://github.com/FasterXML/jackson), JSON-simple (https://github.com/fangyidong/json-simple), and Gson (https://github.com/google/gson). Java EE 8 introduces a new API providing this functionality, namely the Java API for JSON Binding (JSON-B). In this section, we will cover how to transparently populate a Java object from a JSON string.

The following example shows a RESTful web service written using the Java API for RESTful Web Services (JAX-RS). The service responds to HTTP POST requests in its addCustomer() method. This method takes a String as a parameter and this string is expected to contain...

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Authors (1)

David R. Heffelfinger

David R. Heffelfinger

David R. Heffelfinger is an independent consultant based in the Washington D.C. area. He is a Java Champion, a member of the NetBeans Dream Team, and is a part of the JavaOne content committee. He has written several books on Java EE, application servers, NetBeans, and JasperReports. His previous titles include Java EE 7 Development with NetBeans 8, Java EE 7 with GlassFish 4 Application Server, and JasperReports 3.5 For Java Developers, and others. David has been a speaker at software conferences such as JavaOne and Oracle Code on multiple occasions. He has also been a speaker at NetBeans Day in San Francisco and Montreal, showcasing NetBeans features that greatly enhance the development of Java EE applications. You can follow him on Twitter at @ensode.

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