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https://issues.apache.org/jira/browse/ADFFACES-377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12492473
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Bruno Aranda commented on ADFFACES-377:
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For MyFaces 1.2 TLD compliance we really need to be able to have things like
<deferred-value>
<type>java.lang.String</type>
</deferred-value>
(for instance, the dataTable "var" attribute)
As well as other deferred value types, such as
javax.faces.component.UIComponent.
So for MyFaces, this is a must
> JSF 1.2: EL binding to null Strings show up as empty strings
> ------------------------------------------------------------
>
> Key: ADFFACES-377
> URL: https://issues.apache.org/jira/browse/ADFFACES-377
> Project: MyFaces ADF-Faces
> Issue Type: Bug
> Affects Versions: 2.0.0-incubating-core-SNAPSHOT
> Reporter: Adam Winer
> Assigned To: Adam Winer
> Fix For: 2.0.0-incubating-core-SNAPSHOT
>
>
> Take:
> <tr:outputText value="foo" styleClass="#{notthere}"
> shortDesc="#{nowway}"/>
> Prior to 1.2, this generated no "class" or "title" attribute, because these EL
> bindings return null.
> Now, in 1.2, these being strings, we tell the JSP system that these are
> deferred-values
> of type java.lang.String. And, the silly coercion rules then convert every
> null to
> "".
> So, we get:
> <span title="" class="">foo</span>
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