Gregory Murphy wrote:
> Ken Paulsen wrote:
>> Adding the @Renderer annotation to a UIComponent class works provided
>> that you use the rendererClass property as well... AND you don't have
>> a @Component annotation. The way the current annotation processor is
>> written, it doesn't support 2 annotations on a single class... or at
>> least I haven't figured out the correct syntax to get that to work.
>> I think the problem is that when you specify both annotations, the
>> first annotation annotates the 2nd annotation instead of both
>> annotating the class. Separating w/ commas didn't seem to help.
>> There's a good change I'm doing something wrong when defining the
>> annotation, though.
>
>
> An annotation may use another annotation as the type of one of its
> elements, but you can't annotate an annotation. I don't know enough
> about formal languages to be able to explain why this is.
I'm not sure of the details either... however, when I tried doing:
@Renderer...
@Component...
It didn't process the @Renderer annotation at all. It did if I removed
the @Component one. Anyway, in my test cases, I was doing the following:
@Component(rendererClass="..." ...)
Which was more concise and worked well.
Ken
>
> The current library and processor do support multiple renderer
> annotations, so that one renderer can be assigned to more than one
> component family. For example:
>
> @Renderer({
> @Renders(componentFamily="org.example.input"),
> @Renders(componentFamily="org.example.output")
> })
> public class MyFavoriteRenderer {
> }
>
> So you can use a single template renderer with a whole mess of
> components, but you have to annotate the renderer to create these
> associations, not the components. If users are getting the template
> renderer as part of a third party JAR, they could always extend it,
> and annotate the extension.
>
> // Gregory
>
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