Book Image

Oracle ADF Real World Developer's Guide

By : Jobinesh Purushothaman
Book Image

Oracle ADF Real World Developer's Guide

By: Jobinesh Purushothaman

Overview of this book

Oracle ADF in combination with JDeveloper IDE offers visual and declarative approaches to enterprise application development. This book will teach you to build scalable rich enterprise applications using the ADF Framework, with the help of many real world examples. Oracle ADF is a powerful application framework for building next generation enterprise applications. The book is a practical guide for the ADF framework and discusses how to use Oracle ADF for building rich enterprise applications. "Oracle ADF Real World Developer's Guide" discusses ADF framework in detail. This book contains a lot of real life examples which will help developers to design and develop successful enterprise applications. This book starts off by introducing the development environment and JDeveloper design time features. As you read forward, you will learn to build a full stack enterprise application using ADF. You will learn how to build business services using ADF, enable validation for the data model, declaratively build user interfaces for business service and enable security across application layers.
Table of Contents (20 chapters)
Oracle ADF Real World Developer's Guide
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

Where in the page lifecycle does validation occur?


It is always good to know the sequence of actions that happens at the client and server when a page with validation-enabled components is submitted. In this section, we will explore the validation cycle for a typical fusion web page.

Client-side validation

The client-side validation is triggered when the user finishes editing the data on the UI. During the client-side validation cycle, the client-side peer component for the UI control performs basic data sanity checks which include basic data type checks as well as executing client-side validation rules such as mandatory field, maximum length, and max-min value check. If any error is found during this cycle, it will be immediately reported back to the user.

Server-side validation

The server-side validation is triggered when a page is posted back to server, after the successful completion of client-side validation. When the request reaches the server, the framework intercepts the request and...