public final  void event(Request request,
    Response response,
    CometEvent event) throws IOException, ServletException 
{
        // Select the Wrapper to be used for this Request
        Wrapper wrapper = request.getWrapper();
        // Normal request processing
        // FIXME: This could be an addition to the core API too
        /*
        Object instances[] = context.getApplicationEventListeners();
        ServletRequestEvent event = null;
        if ((instances != null) 
                && (instances.length  > 0)) {
            event = new ServletRequestEvent
                (((StandardContext) container).getServletContext(), 
                 request.getRequest());
            // create pre-service event
            for (int i = 0; i <  instances.length; i++) {
                if (instances[i] == null)
                    continue;
                if (!(instances[i] instanceof ServletRequestListener))
                    continue;
                ServletRequestListener listener =
                    (ServletRequestListener) instances[i];
                try {
                    listener.requestInitialized(event);
                } catch (Throwable t) {
                    container.getLogger().error(sm.getString("requestListenerValve.requestInit",
                                     instances[i].getClass().getName()), t);
                    ServletRequest sreq = request.getRequest();
                    sreq.setAttribute(Globals.EXCEPTION_ATTR,t);
                    return;
                }
            }
        }
        */
        wrapper.getPipeline().getFirst().event(request, response, event);
        /*
        if ((instances !=null ) &&
                (instances.length  > 0)) {
            // create post-service event
            for (int i = 0; i <  instances.length; i++) {
                if (instances[i] == null)
                    continue;
                if (!(instances[i] instanceof ServletRequestListener))
                    continue;
                ServletRequestListener listener =
                    (ServletRequestListener) instances[i];
                try {
                    listener.requestDestroyed(event);
                } catch (Throwable t) {
                    container.getLogger().error(sm.getString("requestListenerValve.requestDestroy",
                                     instances[i].getClass().getName()), t);
                    ServletRequest sreq = request.getRequest();
                    sreq.setAttribute(Globals.EXCEPTION_ATTR,t);
                }
            }
        }
        */
}

Select the appropriate child Wrapper to process this request, based on the specified request URI. If no matching Wrapper can be found, return an appropriate HTTP error.

 public String getInfo() 
{
        return (info);
}

Return descriptive information about this Valve implementation.

 public final  void invoke(Request request,
    Response response) throws IOException, ServletException 
{
        // Disallow any direct access to resources under WEB-INF or META-INF
        MessageBytes requestPathMB = request.getRequestPathMB();
        if ((requestPathMB.startsWithIgnoreCase("/META-INF/", 0))
            || (requestPathMB.equalsIgnoreCase("/META-INF"))
            || (requestPathMB.startsWithIgnoreCase("/WEB-INF/", 0))
            || (requestPathMB.equalsIgnoreCase("/WEB-INF"))) {
            notFound(response);
            return;
        }
        // Wait if we are reloading
        boolean reloaded = false;
        while (context.getPaused()) {
            reloaded = true;
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                ;
            }
        }
        // Reloading will have stopped the old webappclassloader and
        // created a new one
        if (reloaded &&
                context.getLoader() != null &&
                context.getLoader().getClassLoader() != null) {
            Thread.currentThread().setContextClassLoader(
                    context.getLoader().getClassLoader());
        }
        // Select the Wrapper to be used for this Request
        Wrapper wrapper = request.getWrapper();
        if (wrapper == null) {
            notFound(response);
            return;
        } else if (wrapper.isUnavailable()) {
            // May be as a result of a reload, try and find the new wrapper
            wrapper = (Wrapper) container.findChild(wrapper.getName());
            if (wrapper == null) {
                notFound(response);
                return;
            }
        }
        // Normal request processing
        Object instances[] = context.getApplicationEventListeners();
        ServletRequestEvent event = null;
        if ((instances != null) 
                && (instances.length  > 0)) {
            event = new ServletRequestEvent
                (((StandardContext) container).getServletContext(), 
                 request.getRequest());
            // create pre-service event
            for (int i = 0; i <  instances.length; i++) {
                if (instances[i] == null)
                    continue;
                if (!(instances[i] instanceof ServletRequestListener))
                    continue;
                ServletRequestListener listener =
                    (ServletRequestListener) instances[i];
                try {
                    listener.requestInitialized(event);
                } catch (Throwable t) {
                    container.getLogger().error(sm.getString("standardContext.requestListener.requestInit",
                                     instances[i].getClass().getName()), t);
                    ServletRequest sreq = request.getRequest();
                    sreq.setAttribute(Globals.EXCEPTION_ATTR,t);
                    return;
                }
            }
        }
        wrapper.getPipeline().getFirst().invoke(request, response);
        if ((instances !=null ) &&
                (instances.length  > 0)) {
            // create post-service event
            for (int i = 0; i <  instances.length; i++) {
                if (instances[i] == null)
                    continue;
                if (!(instances[i] instanceof ServletRequestListener))
                    continue;
                ServletRequestListener listener =
                    (ServletRequestListener) instances[i];
                try {
                    listener.requestDestroyed(event);
                } catch (Throwable t) {
                    container.getLogger().error(sm.getString("standardContext.requestListener.requestDestroy",
                                     instances[i].getClass().getName()), t);
                    ServletRequest sreq = request.getRequest();
                    sreq.setAttribute(Globals.EXCEPTION_ATTR,t);
                }
            }
        }
}

Select the appropriate child Wrapper to process this request, based on the specified request URI. If no matching Wrapper can be found, return an appropriate HTTP error.

 public  void setContainer(Container container) 
{
        super.setContainer(container);
        context = (StandardContext) container;
}

Cast to a StandardContext right away, as it will be needed later.