Yes, a decorator is a way to extend or modify the behavior of an existing function without modifying its source code. When you apply a decorator to a function, the decorator creates a new function that wraps the
1) The request received by hte ActionServlet which is the default Controller in Struts... 2)ActionServlet then call RequestProcesser.preProcess method to find the formbean,populate the value to it,validate the values.. 3)Once the validating has finished,the ActionServlet's RequestProcesser.preP...