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From "Jakob Korherr (JIRA)" <...@myfaces.apache.org>
Subject [jira] Commented: (MYFACES-2621) BeanValidation does not work with Unified EL 2.2
Date Wed, 24 Mar 2010 16:01:27 GMT

    [ https://issues.apache.org/jira/browse/MYFACES-2621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12849238#action_12849238
] 

Jakob Korherr commented on MYFACES-2621:
----------------------------------------

We need the ValueReference because it contains the base object and the property name to which
the ValueExpression resolves. This is needed in BeanValidator, because we need to get the
class of the managed bean and the right property name to get the right annotations out of
it!

Now with el-api 2.1 there is the trick to resolve the ValueExpression with a decorated ELContext
and a special ELResolver to get both base object and property name (see class BeanValidator
for the exact implementation). The new el-api however provides a method for this case called
getValueReference() and the spec says that if it is available, we must use it instead of the
trick.

I'll try some things here, reflection and/or custom wrappers and figure out what is the best!

> BeanValidation does not work with Unified EL 2.2
> ------------------------------------------------
>
>                 Key: MYFACES-2621
>                 URL: https://issues.apache.org/jira/browse/MYFACES-2621
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: JSR-314
>    Affects Versions: 2.0.0-beta-3
>         Environment: bean validation 1.0.0.GA, unified el 2.2
>            Reporter: Jakob Korherr
>            Assignee: Jakob Korherr
>
> When using the new Unified EL 2.2, BeanValidation does not work, because _BeanValidatorUELUtils.getUELValueReferenceWrapper()
always returns null.
> See also the related thread on the mailing list: http://www.mail-archive.com/users@myfaces.apache.org/msg55250.html

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