Database caching in Struts apps

In a JSP, it’s easy enough to implement a caching strategy, since there’s a wealth of cool caching taglibs that will help you out. But what about Struts apps? In a struts app, all your database logic is accessed via the action (or more typically via a DAO type pattern in the action, but you get my gist). So, how do you implement caching in the action? I guess you could roll your own by [...]