code: protected void preProcessExecute(
  			ActionMapping mapping,
  			ActionForm af,
  			HttpServletRequest req,
  			HttpServletResponse res)
  			throws Exception{
  		
  	}
docs: This method allows you to perform some tasks prior to call to the moskitoExecute.
  @param mapping
  @param af
  @param req
  @param res
  @throws Exception