Hi, ActionServlet is Controller in Struts Frame work. and Action class is for your Business Logic. you can write your business logic in Action class according to your requirement. ActionServlet is whole controller of struts Application .Applicatio will take care of this. you need not to write any actionServlet .
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com