throws ServletException {
String actionName = null;
ActionInterface action = null;
try {
if (ServletFileUpload.isMultipartContent(req)) {
req = new MultiPartFormRequest(req);
}
actionName = getActionPrefix() + req.getParameter(getActionName());
actionName = actionName.replace("/", ".");
action = (ActionInterface) Class.forName(actionName).newInstance();
executeBeforeAction(req, res, action);