I think it could be passed through specific exception. If you perform
check then you can throw a new exception (specific) with information
about what has failed. Anyway I don't think, there is some annotation
like @Validate to do this.
2011/8/23 etc <ecelino_at_gmail.com>:
> The problem with ExceptionMapper is I won't be able to know which specific
> parameter failed so I can throw the specific error code.
>
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