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From "Gerhard Petracek (JIRA)" <...@myfaces.apache.org>
Subject [jira] Resolved: (EXTVAL-82) Add the EmptyValueAwareValidationStrategy annotation to the Length and Pattern Annotations
Date Fri, 29 Jan 2010 18:58:34 GMT

     [ https://issues.apache.org/jira/browse/EXTVAL-82?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gerhard Petracek resolved EXTVAL-82.
------------------------------------

    Resolution: Won't Fix

the initial reason for the marker was to avoid such an implicit required validation.
use-case: a property is not required but if users provide a value it has to fulfill e.g. a
minimal length.
the scenario described in this issue is easy to solve via an additional @Required constraint
at the property or a custom validation strategy (as replacement for the default one) which
hosts the mentioned marker.

> Add the EmptyValueAwareValidationStrategy annotation to the Length and Pattern Annotations
> ------------------------------------------------------------------------------------------
>
>                 Key: EXTVAL-82
>                 URL: https://issues.apache.org/jira/browse/EXTVAL-82
>             Project: MyFaces Extensions Validator
>          Issue Type: Improvement
>          Components: Property Validation
>    Affects Versions: 1.2.3-SNAPSHOT, 2.0.3-SNAPSHOT, 1.1.3-SNAPSHOT
>            Reporter: Rudy De Busscher
>            Priority: Minor
>
> Adding the EmptyValueAwareValidationStrategy allows in JSF 2.0 that Length and Pattern
validations are triggered (with the javax.faces.VALIDATE_EMPTY_FIELDS parameter set).
> They will cause a validation error with an empty string (Length annotation with minimum
set or Pattern) so the Required annotation is no longer needed.
> Tested it out with ExtVal 2.0.3-SNAPSHOT and Myfaces 2.0.0-SNAPHOT (of 21/01) and it
works as expected.

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