Depending on your version of tomcat, ServletContextListener may be an
excellent standard way to go. There was a thread just a few days ago on
that.
--David
Harakiri wrote:
Hello,
is it possible to dynamically add a Filter for a web
app using the tomcat ? If so, is there an example how
to do this ?
OR is it possible to somehow init some webapps params
before the Filter is loaded ? I tried to use a Servlet
and used the <load-on-startup>1</load-on-startup>
within the web.xml - however the servlet is loaded
AFTER the filter is initialized (even when no web page
has been requested). Is there a better approach then
using a init servlet ?
The problem i currently have, is that im using a 3rd
party Security Filter which has "no knowledge" of my
application and relies on some Configuration (access
rights) which is initialized by my webapp.
A good example for this problem would be if you have
dynamic Log4j configuration i.e. not using a log4j.xml
in the classpath but configuring it through the java
api. The Filter is already initialized when you do the
log4j initializion in the init servlet - thus making
it impossible to see/track an debug/error messages
from the filter at all.
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