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

Removing data

Our user is able to create the contact details and she can now update the entries. To complete our customer's journey, we should allow her to remove the entries as a good Net citizen. Why there are so many companies out there that want to block the access to delete the user's data by putting in hazards or extra hassles to make such a simple task so difficult is beyond me! However, we can do this for our contact detail application and it is now straightforward as we have the building blocks in place.

We will add a removeDetail() method to ContactDetailController. Here is the extra method:

public class ContactDetailController {
  // ... as before ...
  public String removeContact() {
    contactDetail = contactDetailService.findById(id).get(0);
    contactDetail = new ContactDetail();
    return "index.xhtml";

This method searches for contactDetail by a fresh id. The id field is the controller's property, which is set in a hidden...