Custom Exception Handling in ADF – Model Layer Generic Framework Design by Rohan Walia

Posted: March 17, 2015 in JDeveloper & ADF
Tags: , , , , , ,

 

clip_image002I have observed that there are lot of users who asks questions on OTN and have problem in designing the custom generic exception handling framework. So in this and next some of the posts I will be describing how we can lay down a generic way to report custom exceptions to the page. These custom exceptions may be mostly for Business Specific errors for which we need to display a custom user friendly message on the page to the user.

In this post we will be seeing how we can customize the error on Model layer and take error messages from a resource bundle defined in the application.

Lets get started. We will first create a generic framework project where we will add exception handling related classes. We give it a name as FrameworkUtil. Framework util project will be dependent on model project from where custom Exceptions will be thrown in the enterprise applications.

First lets set up FrameworkUtil project – ADF Model Project

Created an ADF Model Project with below package structure. Added a resource bundle ErrorBundle.properties which will be having all the Business Errors which can be thrown from the applications model layer.  These errors will be in key value pairs in Error properties file. Read the complete article here.

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