JSF doesn't support cross-field validation, is there a workaround?

Question

JSF 2.0 only allows you to validate the input on one field, like check to see if it\'s a certain length. It doesn\'t allow you to have a form that says, \"enter city and sta

Answer 1

Apache ExtVal was not mentioned here.

There are some cross validations in it (among other validations which might be useful):

https://cwiki.apache.org/confluence/display/EXTVAL/Property+Validation+Usage#PropertyValidationUsage-CrossValidation