Free AspectJ code samples for the web

I am a newbie to AspectJ and to learn it I am trying to search for some open-source simple appli开发者_JS百科cations that use AspectJ for the web but I am unable to retrieve any. I am trying to build a filter through this technology but I am not able to find any working examples that are suited in particular to Eclipse/Tomcat.

You can get (many variations) of a simple e-commerce application built using Spring+AspectJ from http://manning.com/laddad2 (click on "Source Code" link).

Not sure they're specifically targeted at Tomcat, but the examples at Eclipse AspectJ Sample code ought to give you a start.