Java EE 7 First Look PDF
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Table of Contents Java EE 7 First Look Credits About the Author About the Reviewers www.PacktPub.com Support files, eBooks, discount offers and more Why Subscribe? Free Access for Packt account holders Preface What this book covers What you need for this book Who this book is for Conventions Reader feedback Customer support Downloading the example code Errata Piracy Questions 1. What's New in Java EE 7 A brief history of Java EE The main goals of Java EE 7 Productivity HTML5 support Novelties of Java EE 7 Summary 2. New Specifications Concurrency Utilities for Java EE 1.0 Why concurrency? Benefits of concurrency Risks of concurrency Concurrency and Java EE Java EE Concurrency API Batch Applications for Java Platform 1.0 What is batch processing? Why a dedicated API for batch processing? Understanding the Batch API JobRepository Job Step Chunk Batchlet The batch.xml configuration file JobOperator Java API for JSON Processing 1.0 What is JSON? Object Array Value Why JSON? Java API for JSON processing The streaming API The object model API Java API for WebSocket 1.0 What is WebSocket? Why WebSocket? The WebSocket API Server endpoint Client endpoint Summary 3. The Presentation Layer Servlet 3.1 What is a Servlet? A login page with a Servlet Latest improvements of Servlet 3.1 in action Non blocking I/O API Protocol upgrade processing Expression Language 3.0 What is Expression Language? The latest improvements of EL 3.0 in action API for standalone environments Lambda expressions Collection object support Collection object construction Collection operations String concatenation operator (+=) Assignment operator (=) Semi-colon operator (;) Static fields and methods JavaServer Faces 2.2 What is JavaServer Faces? An identification page with JSF The latest improvements of JSF 2.2 in action HTML5-friendly markup Pass-through attributes Pass-through elements Resource Library Contracts Faces Flow Stateless views Summary 4. The Java Persistence API Java Persistence API 2.1 JPA (Java Persistence API) JPA in action The latest improvements of JPA 2.1 in action Persistence context synchronization Entity New annotations Entity graphs Static or named entity graphs Dynamic entity graphs JPQL Support for stored procedures New reserved identifiers Support for creating named queries at runtime The Criteria API Support for bulk update/delete Support for new reserved identifiers DDL generation Java Transaction API 1.2 The Java Transaction API JTA in action Innovations introduced by JTA 1.2 Summary 5. The Business Layer Enterprise JavaBeans 3.2 Pruning some features The latest improvements in EJB 3.2 Session bean enhancement EJB Lite improvements Changes made to the TimerService API Harmonizing with JMS's novelties Other improvements Putting it all together Presenting the project Use Case Diagram (UCD) Class diagram Component diagram Summary 6. Communicating with External Systems JavaMail Sending e-mails in Java Sending an e-mail via the SMTP protocol The latest improvements in action The added annotations The added methods The changing of some access modifiers Java EE Connector Architecture (JCA) What is JCA? JCA in action Latest improvements Java Message Service (JMS) When to use JMS The latest improvements in action New features Sending messages asynchronously Delivery delay Handling of the JMSXDeliveryCount message property Simplification of the API Java API for RESTful Web Services When to use Web Services JAX-RS in action The latest improvements in action The Client API Asynchronous processing Filters and entity interceptors Filters Entity interceptors Summary 7. Annotations and CDI Common annotations for the Java platform The goal of this specification Building your own annotation Latest improvements in action The new annotation Contexts and Dependency Injection What is CDI ? Example 1 – instantiation of a POJO Example 2 – accessing an EJB from a JSF page Example 3 – setting a bean with a specific scope for simple operations Example 4 – use of objects usually created by a factory Latest improvements in action Avoiding CDI processing on a bean Accessing the non contexual instance of a bean Accessing the current CDI container Destroying CDI bean instances explicitly Summary 8. Validators and Interceptors Bean Validation Validating your data Building a custom constraint Creating a constraint annotation Implementing a validator Latest improvements in action Openness Support for dependency injection and CDI integration Support for method and constructor validation Support for group conversion Support message interpolation using expression language Interceptors Intercepting some processes Defining interceptors in the target class Defining interceptors in an interceptor class Latest improvements in action Intercept constructor invocation Associating an interceptor with a class using interceptor binding Creation of interceptor binding types Declaring interceptor binding Binding an interceptor by using interceptor binding type Defining the execution order of interceptors Summary 9. Security JASPIC 1.1 Secure access to forms Implementing an authentication module Implementing the ServerAuthModule interface Installing and configuring the authentication module Binding the authentication module to a web application Creating a realm Security configuration The latest improvements in action Integrating the authenticate, login, and logout methods called Standardizing access to the application context identifier Support for forward and include mechanisms Summary Index Java EE 7 First Look Java EE 7 First Look Copyright © 2013 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: November 2013 Production Reference: 1121113 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK. ISBN 978-1-84969-923-5 www.packtpub.com Cover Image by Abhishek Pandey (<[email protected]>) Credits Author NDJOBO Armel Fabrice Reviewers Markus Eisele E.P. Rama krishnan Acquisition Editors Sam Birch Joanne Fitzpatrick Commissioning Editor Mohammed Fahad Technical Editors Ritika Singh Nikhita K. Gaikwad Project Coordinator Ankita Goenka Proofreader Christopher Smith Indexer Monica Ajmera Mehta
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