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From Peter Donald <dona...@apache.org>
Subject Re: what's a validator
Date Sun, 28 Oct 2001 19:47:43 GMT
On Mon, 29 Oct 2001 00:38, Gerhard Froehlich wrote:
> Hi,
> you folks speak a lot about validators.
> in which context are they used and what
> is there job?

Basically when we talk about validators we are probably talking about some 
component that validates configuration. So we may have DTD validator that 
makes sure a component conforms to a DTD or XSchemaValidator that makes sure 
it conforms to an XML Schema.

However we may also mean it as a general purpose component that makes sure 
data conforms to specific rules. ie a Form validator would make sure that the 
input parameters to GUI/servlet/other conform to a set of rules (ie all 
fields supplied and validly formatted).



"Invincibility is in oneself, vulnerability in the opponent." -- Sun Tzu 

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