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https://issues.apache.org/struts/browse/SHALE-353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_40723
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Gary VanMatre commented on SHALE-353:
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This is the first crack at trying to represent the Java final modifier in the
clay metadata. I added a reserved clay XML component attribute called
"org.apache.shale.clay.final" to mark a top-level component definition as
final. Any other top-level component definitions that attempt to extend
another component definition that have been marked using the new final
attribute will ignore the extends and log a warning. The new attribute doesn't
require a value.
Clay manages composition using the element XML nodes that are nested under the
component node or element node. Elements are an implicit extension of a
top-level component. Elements are sorta like a Java anonymous inner class.
Elements can extends and override a top-level component definition. If an
element tries to extend a top-level component definition marked as final, the
overrides will be ignored except the symbol overrides.
Clay html templates treat markup nodes as Clay XML elements.
I'm going to leave this ticket open pending more testing. I could also use
some help adding to the resource bundle to Norwegian @Hermod :-)
> Add a new attribute allowOveride in order to prevent certain attributes from
> being altered when subclassing clay components
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: SHALE-353
> URL: https://issues.apache.org/struts/browse/SHALE-353
> Project: Shale
> Issue Type: New Feature
> Components: Clay
> Affects Versions: 1.0.4-SNAPSHOT
> Reporter: Hermod Opstvedt
> Assigned To: Gary VanMatre
> Fix For: TBD
>
>
> In a setting where Clay components are distributed as reusable components, to
> for instance have company wide standards for look&feel etc. it would be nice
> to able to lock down certain attribute values so that when sombody subclasses
> the component they are restricted from overriding attribute that has been
> flagged.
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