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  • Book Overview & Buying Java EE 7 Web Application Development
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Java EE 7 Web Application Development

Java EE 7 Web Application Development

By : Pilgrim
4.4 (8)
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Java EE 7 Web Application Development

Java EE 7 Web Application Development

4.4 (8)
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.
Table of Contents (15 chapters)
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14
Index

Validation methods

In this chapter, taking the basic JSF form as a base, we will learn how to apply validation on the server side and on the client-server side. There are certain advantages to both the strategies; we will learn about the pros and cons of both the approaches.

Server-side validation

Form validation can be achieved on the server-side in a Java EE application running on the application server or the servlet container. The information is sent from the web browser to the web application as a normal HTTP form submission. In this mode, the form is submitted as a traditional HTML form element. The web framework, in this case Java EE, validates the input and sends back a response to the client. If the form fails the validation, the page that contains the web form is redisplayed and error messages are shown.

The server-side quick validation is secure in the sense that it will protect the database even if JavaScript is disabled or unavailable in a web browser. On the other hand, this...

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