Book Image

Java EE 8 Application Development

Book Image

Java EE 8 Application Development

Overview of this book

Java EE is an Enterprise Java standard. Applications written to comply with the Java EE specification do not tie developers to a specific vendor; instead they can be deployed to any Java EE compliant application server. With this book, you’ll get all the tools and techniques you need to build robust and scalable applications in Java EE 8. This book covers all the major Java EE 8 APIs including JSF 2.3, Enterprise JavaBeans (EJB) 3.2, Contexts and Dependency Injection (CDI) 2.0, the Java API for WebSockets, JAX-RS 2.1, Servlet 4.0, and more. The book begins by introducing you to Java EE 8 application development and goes on to cover all the major Java EE 8 APIs. It goes beyond the basics to develop Java EE applications that can be deployed to any Java EE 8 compliant application server. It also introduces advanced topics such as JSON-P and JSON-B, the Java APIs for JSON processing, and the Java API for JSON binding. These topics dive deep, explaining how the two APIs (the Model API and the Streaming API) are used to process JSON data. Moving on, we cover additional Java EE APIs, such as the Java API for Websocket and the Java Message Service (JMS), which allows loosely coupled, asynchronous communication. Further on, you’ll discover ways to secure Java EE applications by taking advantage of the new Java EE Security API. Finally, you’ll learn more about the RESTful web service development using the latest JAX-RS 2.1 specification. You’ll also get to know techniques to develop cloud-ready microservices in Java EE.
Table of Contents (21 chapters)
Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Pluggability


When the original servlet API was released back in the late 1990s, writing servlets was the only way of writing server-side web applications in Java. Since then, several standard Java EE and third-party frameworks have been built on top of the Servlet API. Examples of such standard frameworks include JSP and JSF, and third-party frameworks include Struts, Wicket, Spring Web MVC, and several others.

Nowadays, very few (if any) Java web applications are built using the Servlet API directly; instead, the vast majority of projects utilize one of the several available Java web application frameworks. All of these frameworks use the Servlet API "under the covers", therefore setting up an application to use one of these frameworks has always involved making some configuration in the application's web.xml deployment descriptor. In some cases, some applications use more than one framework, but this tends to make the web.xml deployment descriptor fairly large and hard to maintain.

Servlet...