6. Contexts and Dependency Injection | Java EE 7 Development with NetBeans 8

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Table Of Contents

Java EE 7 Development with NetBeans 8 - Third Edition

By : David R Heffelfinger

4.8 (5)

Java EE 7 Development with NetBeans 8

4.8 (5)

By: David R Heffelfinger

Overview of this book

The book is aimed at Java developers who wish to develop Java EE applications while taking advantage of NetBeans functionality to automate repetitive tasks. Familiarity with NetBeans or Java EE is not assumed.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Getting Started with NetBeans

1. Getting Started with NetBeans

Introduction

Obtaining NetBeans

Installing NetBeans

Starting NetBeans for the first time

Configuring NetBeans for Java EE development

Deploying our first application

NetBeans tips for effective development

Summary

2. Developing Web Applications Using JavaServer Faces 2.2

2. Developing Web Applications Using JavaServer Faces 2.2

Introduction to JavaServer Faces

Developing our first JSF application

Facelets templating

Resource library contracts

Composite components

Faces flows

HTML5 support

Summary

3. JSF Component Libraries

3. JSF Component Libraries

Using PrimeFaces components in our JSF applications

Using ICEfaces components in our JSF applications

Using RichFaces components in our JSF applications

Summary

4. Interacting with Databases through the Java Persistence API

4. Interacting with Databases through the Java Persistence API

Creating our first JPA entity

Automated generation of JPA entities

Generating JSF applications from JPA entities

Summary

5. Implementing the Business Tier with Session Beans

5. Implementing the Business Tier with Session Beans

Introducing session beans

Creating a session bean in NetBeans

Accessing the bean from a client

Session bean transaction management

Implementing aspect-oriented programming with interceptors

The EJB Timer service

Generating session beans from JPA entities

Summary

6. Contexts and Dependency Injection

6. Contexts and Dependency Injection

Introduction to CDI

Qualifiers

Stereotypes

Interceptor binding types

Custom scopes

Summary

7. Messaging with JMS and Message-driven Beans

7. Messaging with JMS and Message-driven Beans

Introduction to JMS

Creating JMS resources from NetBeans

Implementing a JMS message producer

Consuming JMS messages with message-driven beans

Summary

8. Java API for JSON Processing

8. Java API for JSON Processing

The JSON-P object model API

The JSON-P streaming API

Summary

9. Java API for WebSocket

9. Java API for WebSocket

Examining the WebSocket code using samples included with NetBeans

Building our own WebSocket applications

Summary

10. RESTful Web Services with JAX-RS

10. RESTful Web Services with JAX-RS

Generating a RESTful web service from an existing database

Testing our RESTful web service

Generating RESTful Java client code

Generating RESTful JavaScript clients for our RESTful web services

Summary

11. SOAP Web Services with JAX-WS

11. SOAP Web Services with JAX-WS

Introduction to web services

Creating a simple web service

Exposing EJBs as web services

Summary

Index

Index

Stereotypes

A CDI stereotype allows us to create new annotations that bundle up several CDI annotations. For example, if we need to create several CDI named beans with a scope of session, we would have to use two annotations in each of these beans, namely @Named and @SessionScoped. Instead of having to add two annotations to each of our beans, we could create a stereotype and annotate our beans with it.

To create a CDI stereotype in NetBeans, we simply need to create a new file by selecting the Contexts and Dependency Injection category and the Stereotype file type.

Then, we need to enter a name and package for our new stereotype.

At this point, NetBeans generates the following code:

package com.ensode.cdiintro.stereotype;

import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java...

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