On Nov 7, 2006, at 4:39 AM, Daniel López wrote:
In fact, it is nothing too fancy, it basically does the same that the
Caucho Proxy Servlet does but it allows you to specify a list of init
parameters that, working in pairs, allow you to specify a recognition
regexp pattern and a replacement pattern. Something like that:
Excellent. I've added it as a bug report.
Another enhancement we're looking at for the proxy is to give it the
same load-balancing capabilities that the resin load-balancer already
uses. Your enhancement looks fairly straightforward.
-- Scott
filter
filter-nameProxyFilter/filter-name
filter-classorg.leaf.filters.ProxyFilter/filter-class
init-param
param-nameMATCHING_URL_APP_1/param-name
param-value/ca/app/(.*).html/param-value
/init-param
init-param
param-nameREPLACEMENT_URL_APP_1/param-name
param-valuehttp://internal.com:9080/html/$1.html/param-value
/init-param
init-param
param-nameMATCHING_URL_APP_2/param-name
param-value/ca/app/(.*)/param-value
/init-param
init-param
param-nameREPLACEMENT_URL_APP_2/param-name
param-valuehttp://internal.com:9080/app/$1/param-value
/init-param
...
/filter
You only need to make sure the mapping of the filter matches all the
requests you want, and the ones that match no criteria from the init
parameters simply pass through the filter untouched.
Not sure how useful it will be to others, but in our case it works
pretty well as it gets SiteMesh to believe that some remote pages are
local resources, so they get decorated appropriately. It is an
intermediate step before we migrate to a real portal solution, but
time
and resources forced us to get something done before schedule.
Barring some implementation problems when we perform the stress tests,
it is working great for us.
S!
D.
Scott Ferguson escribió:
On Nov 6, 2006, at 2:10 AM, Daniel López wrote:
Before we found out about that one, we developed our own
ProxyFilter,
instead of a servlet, with a bit more complex URL mapping features,
using regular expressions.
Sounds very cool. We've been discussing the idea of integrating the
ProxyFilter with the rewrite-dispatch tag like we've done for the
load balancer.
We have done it to be able to integrate some back-end dynamic
services
with a site driven by SiteMesh, and so far it works pretty well. We
have
to test it under heavy load yet, as we are still developing it and
have
not reached that phase.
I thought about contributing it back to Resin, the extra regexp
based
mapping fatures, as I did it for our own OS framework, but I
haven't had
time to find out if/how Caucho handles contributions and integrate
that
part into the Resin servlet.
A bug report detailing the configuration/features would really be
great.
The hard part is generally coming up with a good design or
understanding what applications really need.
--Scott
Cheers.
D.
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