[seam-dev] Extended validation constraints

Hi Gunnar, I had an idea today for a new validation constraint called @WebSafe - in summary what it would do is validate a rich text value provided by the user to ensure that it contains no malicious code, such as embedded <script> elements. The implementation for this would use JTidy to convert the value to a DOM tree, after which it would walk the nodes of the tree and locate any <script> tags, and if any are present the validation would fail. Anyway, the implementation isn't so important - what I was wondering though is whether you think something like this would be useful to have in the Seam Validation module. I tend to think that it would be (and we can probably come up with quite a few other useful validation constraints also) but I would like to know what you think about this. Shane