public String getEventName(Class<ActionBean> bean, ActionBeanContext context) {
public String getEventName(Class<? extends ActionBean> bean, ActionBeanContext context) {
    public String getEventName(Class<ActionBean> bean, ActionBeanContext context) {        Map<String,Method> mappings = this.eventMappings.get(bean);        Map parameterMap = context.getRequest().getParameterMap();        for (String event : mappings.keySet()) {            if (parameterMap.containsKey(event) || parameterMap.containsKey(event + ".x")) {                return event;            }        }        return null;    }