"Standard" filter implementations

[Attila Szegedi <sz...@freemail.hu>]

People,

does anyone know if there are "standard" (open source, of course)
implementations of a caching filter (one that would perform content-caching
on the server side) and a compression filter (one that would at least
implement gzip and deflate transfer encodings  - since these algorithms are
readily available in Java). These filters have very common usage, and I'd be
surprised if no one actually took a stab at them already.

--
Attila Szegedi
home: http://www.szegedi.org

Re: "Standard" filter implementations

["Craig R. McClanahan" <cr...@apache.org>]

On Thu, 14 Feb 2002, Attila Szegedi wrote:

> Date: Thu, 14 Feb 2002 11:45:29 +0100
> From: Attila Szegedi <sz...@freemail.hu>
> Reply-To: Tomcat Users List <to...@jakarta.apache.org>
> To: Tomcat Users List <to...@jakarta.apache.org>
> Subject: "Standard" filter implementations
>
> People,
>
> does anyone know if there are "standard" (open source, of course)
> implementations of a caching filter (one that would perform content-caching
> on the server side) and a compression filter (one that would at least
> implement gzip and deflate transfer encodings  - since these algorithms are
> readily available in Java). These filters have very common usage, and I'd be
> surprised if no one actually took a stab at them already.
>

There is a just-barely-started effort within the Jakarta Commons project
to create a package of nice, reusable, Filters.  Caching is one of the use
cases (and it will need more than one implementation, because different
applications will have different requirements), but no code has been
submitted yet.

This will be discussed on the COMMONS-DEV mailing list -- see
<http://jakarta.apache.org/site/mail.html> for subscription information.

For compression, there's an output filter that does this for you included
in the example app of Tomcat 4.  You can rip it out and use it in your own
applications as well.  (Yes, this is going to be contributed to the
Commons package once it's up and running :-).

> --
> Attila Szegedi
> home: http://www.szegedi.org
>

Craig McClanahan


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