Years ago Karl proposed to develop a form data validator he called 'response broker'. (The message is at [1]) Damon answered quite rightly "haven't we all written something like this at some point?"

I'm now working on a refactoring of an application and I'm striving to redesign it in a way to have an emphasis on object collaboration rather than long and complicated methods. (I want to convince someone to adopt it by enticing him into working with a set of easy to read and understand classes)

Form data validation became soon one of the sore points: I can't imagine a method for validation that can match safety and completeness without being cumbersome, repetitive or, in a word, boring to work with

Much more exciting would be working on a real validator that solves to some extent the general problem.

Has anyone worked on Karl's idea? Am I inexorably about to set out to reinvent the wheel?

 -- Massimo

[1] http://mail-archives.apache.org/mod_mbox/tcl-rivet-dev/201301.mbox/%3CDA2C5384-232C-4377-B35C-A91E8FA348C6%40gmail.com%3E



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