StandardContext.java 文件源码

@Override
public boolean fireRequestDestroyEvent(ServletRequest request) {
    Object instances[] = getApplicationEventListeners();

    if ((instances != null) && (instances.length > 0)) {

        ServletRequestEvent event = new ServletRequestEvent(getServletContext(), request);

        for (int i = 0; i < instances.length; i++) {
            int j = (instances.length - 1) - i;
            if (instances[j] == null)
                continue;
            if (!(instances[j] instanceof ServletRequestListener))
                continue;
            ServletRequestListener listener = (ServletRequestListener) instances[j];

            try {
                listener.requestDestroyed(event);
            } catch (Throwable t) {
                ExceptionUtils.handleThrowable(t);
                getLogger().error(sm.getString("standardContext.requestListener.requestInit",
                        instances[j].getClass().getName()), t);
                request.setAttribute(RequestDispatcher.ERROR_EXCEPTION, t);
                return false;
            }
        }
    }
    return true;
}