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Beginning Java EE 6 with GlassFish 3 (Expert's Voice in Java Technology) ReviewAs a long time server side Java developer who has generally steered clear of the J(2)EE standard stack of EJB, JPA and JSF, in favor of Spring, Hibernate and Struts, I nevertheless wanted to take a look at the promise of the emerging Java EE 6 improvements. My goal was to evaluate whether EJB in conjunction with JPA persistence can be developed in a style that I have grown accustomed using Spring and Hibernate. Is it possible to maximize testing and debugging activities outside the EE container with version 6?
The answer to that question for me is mixed, but Beginning Java EE 6 with GlassFish came through in helping me make the evaluation. I didn't need a soup to nuts definitive guide, but a book with some breadth to be able to evaluate the platform without having to become an expert in the process. It provides enough material in each major subject area to get a simple but non-trivial example program running. In fact the chapters on JPA are fairly comprehensive and could be a nearly complete reference for building out a small to medium admin interface for a database.
It is definitely a "Beginning" book for seasoned EJB and JSF developers, as they will likely not find enough new material to warrant purchasing the book. I would not say this book is appropriate for programming beginners in general, or even experienced programmers migrating to server side Java for the first time. (Perhaps 'Introducing' in place of 'Beginning' would have conveyed this better). It can be daunting to simply set up the requisite software packages before you can create your first entity class or session bean. Author Antonio Goncalves does an excellent job outlining the necessary setup steps, and doesn't leave out important aspects, such as assuming the reader already has the JDK installed. You will likely have to consult other resources to complete the set up of your environment, but that's to be expected in today's multi-layered and polyglot programming paradigms.
In the past I have often shied away from Novice to Professional Apress titles, because they often are padded with screen shots and unabridged XML configuration. Goncalves sprinkles in a few screens showing the set up of glassfish, and throughout the book, the example code snippets are concise but complete enough to illustrate the narrative.
A very key piece of technology used throughout the book that is not specified by JEE 6, nor is part of GlassFish, is the use of Maven. As an experienced Maven user, this was a significant advantage for me. I'm not sure how much of a distraction this will be for the many developers with no Maven experience, who want to get up to speed quickly. Using Maven meant the book does not have to devote any space on setting up an IDE, but the reader will be on his own to figure out how to import the mavenized sample code into an IDE.
As for the sample code, the source code is available for download on Apress. It is solid code until chapter 13, 14 and 15. I encountered compilation errors for these chapters' samples, which leaves the impression that not enough time and effort was expended to do justice to the topics of JMS, Web Services and REST.
If I have one important critique of the book (and perhaps it's really a critique of EJB/GlassFish) is that the JUnit tests utilizing embedded GlassFish do not work. This problem lead me to the mixed review I alluded to in evaluating EJB 3.1. My current perception (which may or may not accurately reflect reality) is that testability of EJB is still not up to the level I expect, given my experiences using Spring over the last five years. I doubt this situation is the fault of the author of this book, but not enough discussion was devoted to describing the complexities of running GlassFish in embedded mode, even (or especially) for an introductory level book.
Overall, Beginning Java EE 6 with GlassFish accomplishes its mission, and I can recommend the book for a senior developer or architect doing technology evaluations or other developers needing to get up and running quickly.
Beginning Java EE 6 with GlassFish 3 (Expert's Voice in Java Technology) OverviewJava Enterprise Edition (Java EE) continues to be one of the leading Java technologies and platforms from Oracle (previously Sun). Beginning Java EE 6 Platform with GlassFish 3, Second Edition is this first tutorial book on the final version of the Java EE 6 Platform.
Step by step and easy to follow, this book describes many of the Java EE 6 specifications and reference implementations, and shows them in action using practical examples. This book uses the new version of GlassFish 3 to deploy and administer the code examples.
Written by an expert member of the Java EE 6 specification request and review board in the Java Community Process (JCP), this book contains the best information possible, from an expert's perspective on enterprise Java technologies.
What you'll learn
Get started with the final version of the Java EE 6 Platform.
Explore and use the EJB 3.1 and JPA 2.0 APIs from entities to session beans to message driven beans, and more.
Discover web tier development APIs including JSPs, JSTL, and Expression Language, and especially the new JSF 2.0 and Facelets.
Uncover the web services, RESTful services, and more available in Java EE 6.
Create dynamic user interfaces for your enterprise and transactional Java applications.
Who this book is for
This book is for advanced Java programmers as well as Java EE 6 beginners. Architects will also find information about how to layer their Java EE applications.
Table of Contents
Java EE 6 at a Glance
Java Persistence
Object-Relational Mapping
Managing Persistent Objects
Callbacks and Listeners
Enterprise Java Beans
Session Beans and the Timer Service
Callbacks and Interceptors
Transactions and Security
JavaServer Faces
Pages and Components
Processing and Navigation
Sending Messages
SOAP Web Services
RESTful Web Services
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