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Oracle JDeveloper 11gR2 Cookbook

You're reading from   Oracle JDeveloper 11gR2 Cookbook Using JDeveloper to build ADF applications is a lot more straightforward when you learn through practical recipes. This book has over 85 of them to take you beyond the basics and raise your knowledge to a new level.

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Product type Paperback
Published in Jan 2012
Publisher Packt
ISBN-13 9781849684767
Length 406 pages
Edition 1st Edition
Languages
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Author (1):
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Nick Haralabidis Nick Haralabidis
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Nick Haralabidis
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Table of Contents (19) Chapters Close

Oracle JDeveloper 11gR2 Cookbook
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
1. Preface
1. Prerequisites to Success: ADF Project Setup and Foundations FREE CHAPTER 2. Dealing with Basics: Entity Objects 3. A Different Point of View: View Object Techniques 4. Important Contributors: List of Values, Bind Variables, View Criteria 5. Putting them all together: Application Modules 6. Go with the Flow: Task Flows 7. Face Value: ADF Faces, JSF Pages, and User Interface Components 8. Backing not Baking: Bean Recipes 9. Handling Security, Session Timeouts, Exceptions, and Errors 10. Deploying ADF Applications 11. Refactoring, Debugging, Profiling, and Testing 12. Optimizing, Fine-tuning, and Monitoring

Using a custom error handler to customize how exceptions are reported to the ViewController


You can alter the way error messages are reported to the ADF Controller by implementing a custom error handler class that extends the oracle.adf.model.binding.DCErrorHandlerImpl class. The custom error handler class can then provide custom implementations for the following methods:

  • reportException(): This method is called by the ADF framework to report an exception. You can override this method to handle how each exception type is reported.

  • getDisplayMessage(): Returns the exception error message. You can override this method in order to change the error message.

  • getDetailedDisplayMessage(): Returns the exception error message details. You can override this method in order to change the error message details.

This recipe shows you how to extend the DCErrorHandlerImpl error handling class so that you can provide custom handling and reporting of the application exceptions to the ViewController...

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