Book Image

Digital Java EE 7 Web Application Development

By : Peter Pilgrim
Book Image

Digital Java EE 7 Web Application Development

By: Peter 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.
Table of Contents (21 chapters)
Digital Java EE 7 Web Application Development
About the Author
About the Reviewers

MVC controllers

There is a new package structure reserved for MVC under javax.mvc. The @javac.mvc.Controller annotation declares a class type or method as a controller component. Here is an example of its use in a method:

public String greet()
  return "Greetings, Earthling";

This controller method is missing the HTTP semantics and this is where the JAX-RS annotations help. It is also useless from an MVC perspective because there are associations with either a Model or View component.

So, first let's turn the method into a proper RESTful resource, starting with the model object:

import javax.enterprise.context.RequestScoped;
import javax.inject.Named;
public class User {
  private String name;
  public User() {}
  public String getName() {return name; }
  public void setName(String name) { = name; }

The User component serves as our Model component. It has one property: the name of the person whom...