[jira] Commented: (TAP5-461) It is very common to map the value attribute of a type annotation as a meta-data property; it would be nice if there was an easy way to do this, via contributing the annotation type and meta-data key

["Massimo Lusetti (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAP5-461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12666452#action_12666452 ] 

Massimo Lusetti commented on TAP5-461:
--------------------------------------

Nice! I wanted this for a long time!

> It is very common to map the value attribute of a type annotation as a meta-data property; it would be nice if there was an easy way to do this, via contributing the annotation type and meta-data key
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: TAP5-461
>                 URL: https://issues.apache.org/jira/browse/TAP5-461
>             Project: Tapestry 5
>          Issue Type: New Feature
>          Components: tapestry-core
>    Affects Versions: 5.1.0.0
>            Reporter: Howard M. Lewis Ship
>
> In other words, if we have Moe, Larry and Curly and they all look like this:
> public class MoeWorker implements ComponentClassTransformWorker
> {
>     public void transform(ClassTransformation transformation, MutableComponentModel model)
>     {
>         Moe annotation = transformation.getAnnotation(Moe.class);
>         if (annotation != null)
>             model.setMeta("meta-data.moe", annotation.value());
>     }
> }
> It would be nice if we could just make a contribution:
> configuration.add("meta-data.moe", Moe.class);
> For each of Moe, Larry and Curly instead. This would apply only when the annotation has a single attribute whose type is String.

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