PortletWrappingController.java 文件源码

public void handleEventRequest(
        EventRequest request, EventResponse response) throws Exception {

    if (!(this.portletInstance instanceof EventPortlet)) {
        logger.debug("Ignoring event request for non-event target portlet: " + this.portletInstance.getClass());
        return;
    }
    EventPortlet eventPortlet = (EventPortlet) this.portletInstance;

    // Delegate to PortletContentGenerator for checking and preparing.
    check(request, response);

    // Execute in synchronized block if required.
    if (isSynchronizeOnSession()) {
        PortletSession session = request.getPortletSession(false);
        if (session != null) {
            Object mutex = PortletUtils.getSessionMutex(session);
            synchronized (mutex) {
                eventPortlet.processEvent(request, response);
                return;
            }
        }
    }

    eventPortlet.processEvent(request, response);
}