I'm trying to intercept a jsp:include so that I can adjust the requested
file (ie: "/include.html") to a different directory/file (ie:
"/otherdir/otherfile.html"). If there is an easy way (Filter, Valve,
Listener, ...) just let me know. NOTE: I've already created and installed a
request filter in my web.xml to filter the initial request, but this doesn't
get invoked for jsp:include references.
Current idea:
I want to change the "javax.servlet.include.servlet_path" request attribute
so the DefaultServlet.getRelativePath() finds the new file. I can see that
the ApplicationDispatcher fires off a list of InstanceEvent's before the
DefaultServlet.service() is called.
After days of exploration, I can't figure out how to add to get my
InstanceEvent into the InstanceSupport's list (ie: cause a call to the
support.addInstanceListener). Is there a configuration that will add my
class to my application Context?
Thanks,
-AAron ([EMAIL PROTECTED])
---------Code snippits---------
NOTE: Globals.SERVLET_PATH_ATTR = "javax.servlet.include.servlet_path"
org/apache/catalina/core/ApplicationDispatcher.java:
private void doInclude(ServletRequest request, ServletResponse response)
throws ServletException, IOException
{
...
wrequest.setAttribute(Globals.SERVLET_PATH_ATTR, servletPath);
...
invoke(outerRequest, outerResponse);
...
}
...
private void invoke(ServletRequest request, ServletResponse response)
throws IOException, ServletException {
support.fireInstanceEvent(InstanceEvent.BEFORE_DISPATCH_EVENT,
servlet, request, response);
servlet.service(request, response);
support.fireInstanceEvent(InstanceEvent.AFTER_DISPATCH_EVENT,
servlet, request, response);
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