Validation of method parameters

Posted by Anton Tsivarev on Stack Overflow See other posts from Stack Overflow or by Anton Tsivarev
Published on 2012-10-15T15:24:54Z Indexed on 2012/10/15 15:37 UTC
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I have a RESTful web service. For implementation using JAX-RS (Jersey).

Have the following method:

public void foo (@PathParam ("name") String uuid) {
    ...
}

I need to do validation of input parameters. And if data invalid throw WebApplicationException.

I added my custom annotation CheckUuid (extends ):

public void foo (@PathParam ("name") @CheckUuid String uuid) {
    ...
}

Is it possible to do validation using annotations on a stage when the method chosen, but not yet called? For example using PreProcessInterceptor?

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