Subject: Doubts on design patterns 2004-04-28 - By Ben Hill
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> -- --Original Message-- --
> From: Sergey Beryozkin [mailto:sberyozkin@(protected)]
> Sent: 28 April 2004 10:12
> To: J2EEPATTERNS-INTEREST@(protected)
> Subject: Re: Doubts on design patterns
>
>
> Hi Ben, others
>
> Lets consider servlet filter chains. IMHO they may exhibit
> the characterstics of both patterns. A given filter decorates
> the request and/or response in most cases by pre and/or post
> processing it. When a filter blocks a request, then it acts
> as a final handler in the chain, as it assumes a
> responsibility for the actual handling of the request. Would
> you agree ? Thanks Sergey Beryozkin
Exactly! Servlet Filters are not GoF patterns, and so are not therefore
categorised in the GoF catalogue.
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