Book Image

Jakarta EE Cookbook - Second Edition

By : Elder Moraes
Book Image

Jakarta EE Cookbook - Second Edition

By: Elder Moraes

Overview of this book

Jakarta EE is widely used around the world for developing enterprise applications for a variety of domains. With this book, Java professionals will be able to enhance their skills to deliver powerful enterprise solutions using practical recipes. This second edition of the Jakarta EE Cookbook takes you through the improvements introduced in its latest version and helps you get hands-on with its significant APIs and features used for server-side development. You'll use Jakarta EE for creating RESTful web services and web applications with the JAX-RS, JSON-P, and JSON-B APIs and learn how you can improve the security of your enterprise solutions. Not only will you learn how to use the most important servers on the market, but you'll also learn to make the best of what they have to offer for your project. From an architectural point of view, this Jakarta book covers microservices, cloud computing, and containers. It allows you to explore all the tools for building reactive applications using Jakarta EE and core Java features such as lambdas. Finally, you'll discover how professionals can improve their projects by engaging with and contributing to the community. By the end of this book, you'll have become proficient in developing and deploying enterprise applications using Jakarta EE.
Table of Contents (14 chapters)

Building server-side events with JAX-RS

Usually, web applications rely on the events sent by the client side. So, basically, the server will only do something if it is asked to. But with the evolution of the technologies surrounding the internet (HTML5, mobile clients, smartphones, and so on), the server side has also had to evolve. So, that gave birth to server-side events, events fired by the server (as the name suggests).

With this recipe, you will learn how to use a server-side event to update a user view.

Getting ready

Start by adding the Jakarta EE dependency:

    <dependencies>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
...