This programming model unifies the various approaches taken by existing dependency injection frameworks such as Spring, Guice, and Seam. It has been designed considering the scope of objects as well. CDI was introduced in Java EE 6, and now with Java EE 8, we have the latest CDI 2.0 version, which offers Java SE support as well. While Java EE 5 did make resource injection possible, it did not have the support for general purpose dependency injection for objects. With CDI, we have beans that are container managed, and these managed beans are Plain Old Java Objects (POJOs) whose life cycle is controlled by the Java EE container. The idea of the bean has been presented in Java for ages in various forms, such as JSF bean, EJB bean, and so on. CDI takes this idea and provides a unified view to managed beans across the entire Java platform, which is relied on by...
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Table Of Contents
Java EE 8 and Angular
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Java EE 8 and Angular
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Overview of this book
The demand for modern and high performing web enterprise applications is growing rapidly. No more is a basic HTML frontend enough to meet customer demands. This book will be your one-stop guide to build outstanding enterprise web applications with Java EE and Angular. It will teach you how to harness the power of Java EE to build sturdy backends while applying Angular on the frontend. Your journey to building modern web enterprise applications starts here!
The book starts with a brief introduction to the fundamentals of Java EE and all the new APIs offered in the latest release. Armed with the knowledge of Java EE 8, you will go over what it's like to build an end-to-end application, configure database connection for JPA, and build scalable microservices using RESTful APIs running in Docker containers. Taking advantage of the Payara Micro capabilities, you will build an Issue Management System, which will have various features exposed as services using the Java EE backend. With a detailed coverage of Angular fundamentals, the book will expand the Issue Management System by building a modern single page application frontend. Moving forward, you will learn to fit both the pieces together, that is, the frontend Angular application with the backend Java EE microservices. As each unit in a microservice promotes high cohesion, you will learn different ways in which independent units can be tested efficiently.
Finishing off with concepts on securing your enterprise applications, this book is a handson guide for building modern web applications.
Table of Contents (16 chapters)
Preface
Free Chapter
What's in Java EE 8?
The CDI Advantage Combined with JPA
Understanding Microservices
Building and Deploying Microservices
Java EE Becomes JSON Friendly
Power Your APIs with JAXRS and CDI
Putting It All Together with Payara
Basic TypeScript
Angular in a Nutshell
Angular Forms
Building a Real-World Application
Connecting Angular to Java EE Microservices
Testing Java EE Services
Securing the Application
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