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

Programmatically throwing validation exceptions in business components


Sometimes you may want to programmatically throw validation exceptions from custom business service methods if certain business conditions are not met in the middle of a process flow. In this section, you will learn to use appropriate exception classes for programmatically throwing validation exceptions with localized messages from business component classes.

In this section, we will start with the localization of validation messages, then we will move forward to discuss the validation class hierarchy, and finally we will see APIs from throwing various validation exceptions.

Localizing validation error messages

ADF allows you to localize messages that are displayed when a validation is triggered or an error is thrown. ADF business components such as entity objects and view objects have declarative support for associating property resource bundles with their definitions. Runtime will pick up the appropriate property resource...