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From "Leonardo Uribe (JIRA)" <...@myfaces.apache.org>
Subject [jira] [Commented] (MYFACES-3547) Can't use expression for validator attributes
Date Thu, 17 May 2012 15:58:07 GMT

    [ https://issues.apache.org/jira/browse/MYFACES-3547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13277913#comment-13277913
] 

Leonardo Uribe commented on MYFACES-3547:
-----------------------------------------

All validators extending from:

http://svn.apache.org/repos/asf/myfaces/commons/trunk/myfaces-commons-validators/src/main/java/org/apache/myfaces/commons/validator/ValidatorBase.java

do not evaluate params on build view time, instead they are evaluated when validation is performed.

Look this example:

                
> Can't use expression for validator attributes
> ---------------------------------------------
>
>                 Key: MYFACES-3547
>                 URL: https://issues.apache.org/jira/browse/MYFACES-3547
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: General
>    Affects Versions: 2.1.7
>         Environment: validator ajax
>            Reporter: Deryk Sinotte
>            Priority: Minor
>         Attachments: validator.zip
>
>
> Attaching a test case that shows a problem when using an expression for an attribute
in a validator. We have markup that looks like this:
> <h:inputText id="ajaxMy"
> value="#{testBean.myNumber}">
> <f:validateLongRange minimum="1"
> maximum="#{testBean.maxValue}"/>
> <f:ajax execute="@this"
> render="@form"/>
> </h:inputText>
> When the value of the maximum attribute is modified via Ajax from another input field,
the value of the bean is properly set but the validator doesn't resolve appear to resolve
the expression at the right time and the result is that validation occurs against the "old"
values.

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