[ http://mc4j.org/jira/browse/STS-316?page=all ]
Ignacio Coloma updated STS-316:
-------------------------------
Attachment: pluggable-annotation-support.zip
> Patch: pluggable annotation support for stripes
> -----------------------------------------------
>
> Key: STS-316
> URL: http://mc4j.org/jira/browse/STS-316
> Project: Stripes
> Issue Type: New Feature
> Components: Validation
> Reporter: Ignacio Coloma
> Assigned To: Tim Fennell
> Attachments: pluggable-annotation-support.zip
>
>
> This is an attempt to give support for JPA annotations from inside Stripes.
> Enclosed is a patch that does the following:
> 1.- Convert the annotation mechanism of stripes to be pluggable, and
> therefore not limited to @Validate and @ValidateNestedProperties. In the line
> of scratching my itch, I have implemented a @ValidateNestedJpaProperties (I
> know the name sucks).
> 2.- There is an AnnotationConverter interface that translates any kind of
> annotation to the internal Stripes representation (ValidationMetadata). For
> example, the tag above will seek the nested attributes and convert standard
> JPA annotations (required, length, etc) into stripes internal representation.
> 3.- These annotation converters are stackable, but I still have to figure the
> desired behaviour. The idea is to allow this kind of situation:
> @ValidateNestedJpaProperties
> @ValidateNestedProperties(<fine tuning here>)
> private PersistentObject instance;
> Where the second annotation would override the first one(for example,
> changing length or required of certain attributes). It is more or less
> implemented, but I still don't have a very clear idea of the expected
> behaviour.
> If this works, annotations would be pluggable: you can give support to
> Hibernate Annotations, JPA annotations, webwork annotations, all inside
> stripes and override certain parts.
> Caveats: configuration is not finished (only provided a default config with
> Validate and ValidateNestedProperties annotations) and haven't checked fully
> if something broke. Some more tests should be implemented, but they are easy.
> Anyways, I wanted to submit this to get some feedback (this is only a
> proposal that might not be accepted). The big size is because I need an ejb3
> jar file to be able to test annotation support.
> Tim, your code is great!! Amazingly easy to understand.
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