Book Image

Java EE 8 Cookbook

By : Elder Moraes

Book Image

Java EE 8 Cookbook

By: Elder Moraes

Overview of this book

Java EE is a collection of technologies and APIs to support Enterprise Application development. The choice of what to use and when can be dauntingly complex for any developer. This book will help you master this. Packed with easy to follow recipes, this is your guide to becoming productive with Java EE 8. You will begin by seeing the latest features of Java EE 8, including major Java EE 8 APIs and specifications such as JSF 2.3, and CDI 2.0, and what they mean for you. You will use the new features of Java EE 8 to implement web-based services for your client applications. You will then learn to process the Model and Streaming APIs using JSON-P and JSON-B and will learn to use the Java Lambdas support offered in JSON-P. There are more recipes to fine-tune your RESTful development, and you will learn about the Reactive enhancements offered by the JAX-RS 2.1 specification. Later on, you will learn about the role of multithreading in your enterprise applications and how to integrate them for transaction handling. This is followed by implementing microservices with Java EE and the advancements made by Java EE for cloud computing. The final set of recipes shows you how take advantage of the latest security features and authenticate your enterprise application. At the end of the book, the Appendix shows you how knowledge sharing can change your career and your life.

Preface

Who this book is for

What this book covers

To get the most out of this book

Free Chapter

New Features and Improvements

New Features and Improvements

Running your first Bean Validation 2.0 code

Running your first CDI 2.0 code

Running your first JAX-RS 2.1 code

Running your first JSF 2.3 code

Running your first JSON-P 1.1 code

Running your first JSON-B code

Running your first Servlet 4.0 code

Running your first Security API code

Running your first MVC 1.0 code

Server-Side Development

Server-Side Development

Using CDI to inject context and dependency

Using Bean Validation for data validation

Using servlet for request and response management

Using Server Push to make objects available beforehand

Using EJB and JTA for transaction management

Using EJB to deal with concurrency

Using JPA for smart data persistence

Using EJB and JPA for data caching

Using batch processing

Building Powerful Services with JSON and RESTful Features

Building Powerful Services with JSON and RESTful Features

Building server-side events with JAX-RS

Improving service's capabilities with JAX-RS and CDI

Easing data and objects representation with JSON-B

Parsing, generating, transforming, and querying on JSON objects using JSON-P

Web- and Client-Server Communication

Web- and Client-Server Communication

Using servlets for request and response management

Building UI with template's features using JSF

Improving the response performance with Server Push

Security of Enterprise Architecture

Security of Enterprise Architecture

Domain protection with authentication

Granting rights through authorization

Protecting data confidentiality and integrity with SSL/TLS

Using declarative security

Using programmatic security

Reducing the Coding Effort by Relying on Standards

Reducing the Coding Effort by Relying on Standards

Preparing your application to use a connection pool

Using messaging services for asynchronous communication

Understanding a servlet's life cycle

Transaction management

Deploying and Managing Applications on Major Java EE Servers

Deploying and Managing Applications on Major Java EE Servers

Apache TomEE usage

GlassFish usage

Building Lightweight Solutions Using Microservices

Building Lightweight Solutions Using Microservices

Building microservices from a monolith

Building decoupled services

Building an automated pipeline for microservices

Using Multithreading on Enterprise Context

Using Multithreading on Enterprise Context

Building asynchronous tasks with returning results

Using transactions with asynchronous tasks

Checking the status of asynchronous tasks

Building managed threads with returning results

Scheduling asynchronous tasks with returning results

Using injected proxies for asynchronous tasks

Using Event-Driven Programming to Build Reactive Applications

Using Event-Driven Programming to Build Reactive Applications

Building reactive applications using asynchronous servlets

Building reactive applications using events and observers

Building reactive applications using websockets

Building reactive applications using message-driven beans

Building reactive applications using JAX-RS

Building reactive applications using asynchronous session beans

Using lambdas and CompletableFuture to improve reactive applications

Rising to the Cloud – Java EE, Containers, and Cloud Computing

Rising to the Cloud – Java EE, Containers, and Cloud Computing

Building Java EE containers using Docker

Using Oracle Cloud for container orchestration in the cloud

Using Jelastic for container orchestration in the cloud

Using OpenShift for container orchestration in the cloud

Using AWS for container orchestration in the cloud

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Other Books You May Enjoy

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Appendix: The Power of Sharing Knowledge

Appendix: The Power of Sharing Knowledge

Why contributing to the Adopt a JSR program can make you a better professional

The secret to unstucking your project, your career... even your life!

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Introduction

Reactive development became a trending topic in many developers conferences, meetups, blog posts, and other countless content sources (both online and offline).

But what is a reactive application? Well, there's a official definition of it contained in something called The Reactive Manifesto (please refer to https://www.reactivemanifesto.org for more details).

In short, according to the manifesto, reactive systems are:

Responsive: The system responds in a timely manner if at all possible
Resilient: The system stays responsive in the face of failure
Elastic: The system stays responsive under varying workloads
Message driven: Reactive systems rely on asynchronous message-passing to establish a boundary between components that ensures loose coupling, isolation, and location transparency

So, this chapter will show you how to use Java EE 8 features to meet one or...