Book Image

Java EE 7 Web Application Development

By : Pilgrim
Book Image

Java EE 7 Web Application Development

By: Pilgrim

Overview of this book

Digital Java EE 7 presents you with an opportunity to master writing great enterprise web software using the Java EE 7 platform with the modern approach to digital service standards. You will first learn about the lifecycle and phases of JavaServer Faces, become completely proficient with different validation models and schemes, and then find out exactly how to apply AJAX validations and requests. Next, you will touch base with JSF in order to understand how relevant CDI scopes work. Later, you’ll discover how to add finesse and pizzazz to your digital work in order to improve the design of your e-commerce application. Finally, you will deep dive into AngularJS development in order to keep pace with other popular choices, such as Backbone and Ember JS. By the end of this thorough guide, you’ll have polished your skills on the Digital Java EE 7 platform and be able to creat exiting web application.

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Java EE 7 Web Application Development
Pilgrim
Sep, 2015 | 486 pages
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Table of Contents (15 chapters)
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
1. Digital Java EE 7
1. Digital Java EE 7
Working in the digital domain
Digital Java developer requirements
Java in the picture
The impressive growth of JavaScript
Information architecture and user experience
Java EE 7 architecture
Xentracker JavaServer Faces
Application servers
Summary
Exercises
2
2. JavaServer Faces Lifecycle
2. JavaServer Faces Lifecycle
Introduction to JSF
The MVC design pattern
Facelets
The request processing lifecycle
A basic JSF example
A Composition example
Expression language
Page navigation
Summary
Exercises
3
3. Building JSF Forms
3. Building JSF Forms
Create, Retrieve, Update, and Delete
JSF custom tags
Displaying a list collection of objects
Editing data
Removing data
JSF and CDI scopes
Summary
Exercises
4
4. JSF Validation and AJAX
4. JSF Validation and AJAX
Validation methods
Faces messages
Validation
A partial JSF lifecycle
Handling views
Summary
Exercises
5
5. Conversations and Journeys
5. Conversations and Journeys
Digital e-commerce applications
Conversational scope
The conversation scope controller
Page views
Composite custom components
Summary
Exercises
6
6. JSF Flows and Finesse
6. JSF Flows and Finesse
What is Faces Flow?
Flow definitions and lifecycle
Simple Implicit Faces Flows
Handling view expired
Declarative and nested flows
A real-world example
Resource Library Contracts
Advice for flows
Summary
Exercises
7
7. Progressive JavaScript Frameworks and Modules
7. Progressive JavaScript Frameworks and Modules
JavaScript essentials
Introducing the jQuery framework
The RequireJS framework
UnderscoreJS
GruntJS
Summary
Exercises
8
8. AngularJS and Java RESTful Services
8. AngularJS and Java RESTful Services
Single-page applications
The caseworker application
AngularJS
Caseworker overview
Project organization
Application main controller
New case record controller
New task record controller
State change
Server-side Java
Consider your design requirements
Summary
Exercises
9
9. Java EE MVC Framework
9. Java EE MVC Framework
Java EE 8 MVC
MVC controllers
Handlebars Java
Design considerations
Summary
Exercises
10
A. JSF with HTML5, Resources, and Faces Flows
A. JSF with HTML5, Resources, and Faces Flows
An HTML5 friendly markup
Resource identifiers
Resource Library Contracts
A Faces servlet
Internationalization
A web deployment descriptor
Programmatic Faces Flows
The Faces Flows programmatic interface
11
B. From Request to Response
B. From Request to Response
HTTP
Java Enterprise Architectures
To be full stack or not
12
C. Agile Performance – Working inside Digital Teams
C. Agile Performance – Working inside Digital Teams
Digital teams and adaptation
Roles
Software quality
Class versus form
13
D. Curated References
D. Curated References
Service delivery
Agile and leadership
Architecture
User interface
Java EE and JVM technology
14
Index
Index

Validation

There are a two main ways of achieving validation on the server side. One route to follow is through the use of Bean Validation version 1.1 from the Java EE 7 specification, and the other traditional route takes you through JSF validation.

Constraining form content with Bean Validation

Bean Validation is a specification that allows the developers to annotate the POJOs and entity beans and then call a custom validator instance to verify the properties. The validation framework works with Java annotation and thus, the digital engineer can firmly say how a property or even a method is validated.

I devoted an entire chapter to Bean Validation in the Java EE 7 Developer Handbook; nevertheless, I will run through the basics with you here, in this Digital Web Application book. There are several annotations in the Bean Validation 1.1 standard that you can use straightaway. However, if your platform allows or if you decide to add Hibernate Validator, then many more useful validation annotations...

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