This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
No. An interceptor in Struts 2 makes it possible to call code before an Action is invoked. See here.
The class in Struts 2 that has the same function as RequestProcessor is org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter