for cocoon,turbine,jetspeed from http://java.apache.org/
squid from http://www.squid-cache.org
-----Original Message-----
From: Sujoy [mailto:[EMAIL PROTECTED]]
Sent: Friday, August 18, 2000 6:21 AM
To: [EMAIL PROTECTED]
Subject: Re: Eloquent way to capture the output from a servlet from
inside another servlet
HI Peter ,
Can u pls tell me from where u have looked at "cocoon, turbine and also
jetspeed and also proxy
servers eg squid." ?
I have visited www.servlets.com but these things are not there .
thanks in advance ..
Sujoy
----- Original Message -----
From: Peter Delahunty <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, August 18, 2000 12:41 AM
Subject: Re: Eloquent way to capture the output from a servlet from inside
another servlet
> Thanks nic
>
> I am trying to create a caching system. I did send another post earlier
> about a caching system. An you suggested the getlastmodified() approach. I
> looked at this with Jason Hunters implementation available at
> www.servlets.com.
>
> I have also looked at cocoon, turbine and also jetspeed and also proxy
> servers eg squid.
>
> None of these i have looked into in major depth yet. I just want to get a
> list of options available for a caching system.
>
> My main requirements are fine grained control over the caching mechanism.
> For example:
>
> if i have cached the request for
>
> www.host.com/products/product_browse.jsp?cat_id=123
>
> then i need to be able to refresh just that cache and nothing else rather
> than refreshing all calls matching
> "www.host.com/products/product_browse.jsp" regardless of the value of
cat_id
> like some cach system provide. I need fine grain control.
>
> I also need to still be able log information that is in the HTML file. I
> have posted my problem all over the web and now through my own thoughts
and
> some valuable input from you guys (thanks nic) i am starting to come up
with
> a solid solution. Once i have tested it will will post it on the design
> patterns of www.theserverside.com
>
> cheers.
>
> -----Original Message-----
> From: Nic Ferrier [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, August 17, 2000 5:39 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Eloquent way to capture the output from a servlet from
> inside another servlet
>
>
> >>> Peter Delahunty <[EMAIL PROTECTED]>
> 17-Aug-00 5:04:18 PM >>>
>
> >I think this is a "shit" way of doing things so i challenge
> >anyone here to come up with a better solution using servlets.
> >The problem is servlets do not handle piping in the current
> >spec !!!
>
> See the latest draft spec.
>
> http://java.sun.com/aboutJava/communityprocess/review.html
>
>
> But the servlet API is unlikely to ever do precisely what you want to
> do - it is request/response based and thus the chain is one whereby
> the last link in the chain issues the response for all other members
> of the chain.
>
> With *some* servlet engines you could overload the ServletResponse
> object that you pass to the RequestDispatcher to return a caching
> PrintWriter in the call to response.getWriter() but that seems an
> awfull waste of effort.
>
> Why on earth do you want to do this?
>
> There are alternative systems around, based on top of servlets, that
> allow you to do this sort of thing.
>
> See the Apache projects: Coccoon and Turbine.
>
>
> Nic Ferrier
>
>
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