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Mastering Java EE Development with WildFly

By : Stancapiano

2.3 (3)

Mastering Java EE Development with WildFly

2.3 (3)

By: Stancapiano

Overview of this book

Packed with rich assets and APIs, Wildfly 10 allows you to create state-of-the-art Java applications. This book will help you take your understanding of Java EE to the next level by creating distributed Java applications using Wildfly. The book begins by showing how to get started with a native installation of WildFly and it ends with a cloud installation. After setting up the development environment, you will implement and work with different WildFly features, such as implementing JavaServer Pages. You will also learn how you can use clustering so that your apps can handle a high volume of data traffic. You will also work with enterprise JavaBeans, solve issues related to failover, and implement Java Message Service integration. Moving ahead, you will be working with Java Naming and Directory Interface, Java Transaction API, and use ActiveMQ for message relay and message querying. This book will also show you how you can use your existing backend JavaScript code in your application. By the end of the book, you’ll have gained the knowledge to implement the latest Wildfly features in your Java applications.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

Introducing Java EE and Configuring the Development Environment

Introducing Java EE and Configuring the Development Environment

JSON and HTML5

WebSockets

Simplified JMS 2.0 API

Groundwork for Cloud environments

Batch applications

Updated web profiles

Concurrency utilities

Context dependency injection

Java API for RESTful web services (JAX-RS) 2.0

Servlet 3.1

JNDI

Asynchronous invocation

Timers

EJB Lite

Development in WildFly

Summary

Working with Dependency Injection

Working with Dependency Injection

Dependency injection 1.0 for Java

Context and dependency injection 1.1 for Java

Interceptors 1.2

Common annotations for the Java platform 1.2

Web console for monitoring beans

Summary

Persistence

Persistence

Common JPA annotations

DataSources and connectors

Summary

Implementing Business Logic

Implementing Business Logic

Scopes in EJB

Transactions

Security

EJB container configuration

Summary

Working with Distributed Transactions

Working with Distributed Transactions

Transaction overview

Summary

Creating REST Services

Creating REST Services

Services

REST and HTTP

REST application and components

Forms and beans

Summary

Implementing WebSockets

Implementing WebSockets

History of the web

Implementation engine

WebSocket session

Ajax versus WebSockets

Summary

Working with Messaging

Working with Messaging

Queues and topics

Remote clients

Message listeners

The JMS context

Summary

Implementing a Mail Client

Implementing a Mail Client

Mail client API

Configuration of the mail server

Summary

Asynchronous REST

Asynchronous REST

Asynchronous resources

REST timeouts

REST server callbacks

Asynchronous clients

Summary

Asynchronous EJB

Asynchronous EJB

The asynchronous annotation

Timers and schedulers

Message driven beans

Summary

Batches and Workflows

Batches and Workflows

Workflows and BPM

Batch models

Job context and step context

Metrics and step execution

Listeners

Exceptions

Monitoring of the batches

Deploying the workflows

Summary

Working with Servlets and JSP

Working with Servlets and JSP

Undertow

Servlets and web components

Cookies

Error mappings

File upload

Filters

Event listeners

Asynchronous servlet

Protocol handler

Dynamic context registration

External resources and themes

Web fragments

Security

Summary

Writing a JSF Application

Writing a JSF Application

MVC

Configuring and developing your application

Working with Facelets

Security

Summary

Sharing the Web Sessions

Sharing the Web Sessions

Clustering

Infinispan

Cluster domains

Summary

WildFly in Cloud

WildFly in Cloud

OpenShift

Summary

Share your Data

Share your Data

Infinispan and the cluster

JGroups configuration

Singleton HA Services

Summary

Deployment

Deployment

Deployment types

Deployment tools

Summary

Working with OSGi

Working with OSGi

Modules

OSGi in WildFly

Summary

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Deploying the workflows

A flow can be deployed as Web Archive or JAR. The important thing about packages is the presence of the JSL descriptor as an XML file. Here, you can see the structure of a Web Archive containing batches:

WAR:
- Batch classes
- WEB-INF
  - Classes
    - META-INF
      - Batch-jobs
        
        descriptorProcess.xml
JAR:
- Batch classes
- META-INF
  - Batch-jobs
    - descriptorProcess.xml

Be careful of the location of the XML file. The XML will not be imported by WildFly if it is put in a different directory. Pay attention must also be paid to the batch-jobs folder name. A different name will cause the workflow to be cancelled.

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