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Jakarta EE Application Development

Jakarta EE Application Development

By : David R. Heffelfinger
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Jakarta EE Application Development

Jakarta EE Application Development

5 (2)
By: David R. Heffelfinger

Overview of this book

Jakarta EE stands as a robust standard with multiple implementations, presenting developers with a versatile toolkit for building enterprise applications. However, despite the advantages of enterprise application development, vendor lock-in remains a concern for many developers, limiting flexibility and interoperability across diverse environments. This Jakarta EE application development guide addresses the challenge of vendor lock-in by offering comprehensive coverage of the major Jakarta EE APIs and goes beyond the basics to help you develop applications deployable on any Jakarta EE compliant runtime. This book introduces you to JSON Processing and JSON Binding and shows you how the Model API and the Streaming API are used to process JSON data. You’ll then explore additional Jakarta EE APIs, such as WebSocket and Messaging, for loosely coupled, asynchronous communication and discover ways to secure applications with the Jakarta EE Security API. Finally, you'll learn about Jakarta RESTful web service development and techniques to develop cloud-ready microservices in Jakarta EE. By the end of this book, you'll have developed the skills to craft secure, scalable, and cloud-native microservices that solve modern enterprise challenges.
Table of Contents (18 chapters)
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15
Chapter 15: Putting it All Together
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The sample application

The sample application that we will develop in this chapter is a typical CRUD (Create, Read, Update and Delete) application. We will be using CDI to develop our controllers, Jakarta Persistence as our Object-Relational Mapping tool, leveraging Jakarta Enterprise Beans to handle transactions, plus Jakarta Faces to develop the user interface. We’ll cover some advanced Jakarta Faces features such as developing custom converters and implementing custom Expression Language (EL) Resolvers.

The application is a web-based application used to maintain customers in a database. It provides functionality to view all customers, views details for a single customer, and updates and deletes new customers.

The landing page

Our application’s landing page is a very simple Facelets page, that has a simple command link that invokes a method on the main controller, as shown in the following snippet.

<h:body>
  <h:form>
  &...

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