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From "Bhupesh Naik (JIRA)" <>
Subject [jira] Issue Comment Edited: (VALIDATOR-237) Abstract Validation framework to Actions framework.
Date Thu, 27 Sep 2007 05:36:50 GMT


bhupeshnaik edited comment on VALIDATOR-237 at 9/26/07 10:36 PM:


I have attached a sample project (of eclipse) that uses the action framework for validation
and as well as transformation. I have also sent some source code that is relevant.

Currently the action framework extends the validation framework classes; the idea is to have
these as base classes above validation classes.

Have a look at the xml files in \test.actionframework\src\config\ they have modified xml structure
(generic to action framework) with no special validation specific tags.

You will get an idea when you see the example.

The attached is an eclipse project, you will have to add a variable in eclipse to point to
\test.actionframework (Project Folder)\lib. This contains the jars it is referring to. The
system jars are from our project and has lot more than what is relevant here; hence I have
given source code of only the relevant stuff.

Platform tested, Windows XP, Eclipse 3.3.0, JDK 1.5

With this action framework as base, I am working on creating the action executors that can
be used in setting styles for UI controls.

When you run the application, the console will display sax parser errors for the xml structure.
Please ignore the same. The console will display the following data, it may get hide in the
sax error.

---------- Apache Validator used as < Transformation > framework Ignoring missing bean
descriptor - /config/elixir/common/bean-descriptor.xml
Date Format Result: Source Value:24-09-2007, transformed value:24th Jan 2007 Substring Result
:  Source Value:FIRSTSECOND, transformed value:SECOND
----------- Transformation  END -------------------------

----------- Apache Validator used as < Validation > framework customer.firstname : Source
Value:SteveNotNull, validation result:true :  Source Value:steve@wrongemail,
validation result:false
----------- Validation  END -------------------------

Thanks & Regards,


> Abstract Validation framework to Actions framework.
> ---------------------------------------------------
>                 Key: VALIDATOR-237
>                 URL:
>             Project: Commons Validator
>          Issue Type: New Feature
>          Components: Framework
>    Affects Versions: 1.4
>         Environment: All
>            Reporter: Bhupesh Naik
>            Priority: Minor
>         Attachments:
> Apache Commons validator can be ABSTRACTED to a common framework called ACTIONS framework.
> The Actions framework will act in similar manner as validation framework but will be
independent of the way in which actions are execute on the value.
> Abstraction points.
> 1.Validation can be treated as any action
> 2.The value to be validated is treated as source value
> 3.The return value true/false can be treated as a target value
> 4.Source Value ---pass to--- > list of actions to be executed ----results in--->
Target Value
> We have already done this in our enterprise product, we use apache validation framework
even for transforming values in our custom ETL framework.
> Once the apache validator is abstracted as actions framework one can use the same to
not only validate the source value but to transform the value or even in describing and modifying
styles of controls in UI and much more. The advantage here is we use the same digester , loading
of elements, extending forms and stuff, this code remains common.

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