Examples with RequestCycle org.apache.wicket.request.cycle.RequestCycle used on opensource projects

Example 16 with RequestCycle

use of org.apache.wicket.request.cycle.RequestCycle in project wicket by apache.

the class DefaultUnauthorizedResourceRequestListener method onUnauthorizedRequest.

@Override
public void onUnauthorizedRequest(IResource resource, PageParameters parameters) {
    RequestCycle cycle = RequestCycle.get();
    if (cycle != null) {
        IRequestHandler handler = new ErrorCodeRequestHandler(HttpServletResponse.SC_FORBIDDEN, createErrorMessage(resource, parameters));
        cycle.replaceAllRequestHandlers(handler);
    }
}

Example 17 with RequestCycle

use of org.apache.wicket.request.cycle.RequestCycle in project wicket by apache.

the class AbstractWebSocketProcessor method broadcastMessage.

/**
 * Exports the Wicket thread locals and broadcasts the received message from the client to all
 * interested components and behaviors in the page with id {@code #pageId}
 * <p>
 *     Note: ConnectedMessage and ClosedMessage messages are notification-only. I.e. whatever the
 *     components/behaviors write in the WebSocketRequestHandler will be ignored because the protocol
 *     doesn't expect response from the user.
 * </p>
 *
 * @param message
 *      the message to broadcast
 */
public final void broadcastMessage(final IWebSocketMessage message) {
    IKey key = getRegistryKey();
    IWebSocketConnection connection = connectionRegistry.getConnection(application, sessionId, key);
    if (connection != null && (connection.isOpen() || message instanceof ClosedMessage)) {
        Application oldApplication = ThreadContext.getApplication();
        Session oldSession = ThreadContext.getSession();
        RequestCycle oldRequestCycle = ThreadContext.getRequestCycle();
        WebResponse webResponse = webSocketSettings.newWebSocketResponse(connection);
        try {
            WebSocketRequestMapper requestMapper = new WebSocketRequestMapper(application.getRootRequestMapper());
            RequestCycle requestCycle = createRequestCycle(requestMapper, webResponse);
            ThreadContext.setRequestCycle(requestCycle);
            ThreadContext.setApplication(application);
            Session session;
            if (oldSession == null || message instanceof IWebSocketPushMessage) {
                ISessionStore sessionStore = application.getSessionStore();
                session = sessionStore.lookup(webRequest);
                ThreadContext.setSession(session);
            } else {
                session = oldSession;
            }
            IPageManager pageManager = session.getPageManager();
            Page page = getPage(pageManager);
            if (page != null) {
                WebSocketRequestHandler requestHandler = webSocketSettings.newWebSocketRequestHandler(page, connection);
                WebSocketPayload payload = createEventPayload(message, requestHandler);
                if (!(message instanceof ConnectedMessage || message instanceof ClosedMessage || message instanceof AbortedMessage)) {
                    requestCycle.scheduleRequestHandlerAfterCurrent(requestHandler);
                }
                IRequestHandler broadcastingHandler = new WebSocketMessageBroadcastHandler(pageId, resourceName, payload);
                requestMapper.setHandler(broadcastingHandler);
                requestCycle.processRequestAndDetach();
            } else {
                LOG.debug("Page with id '{}' has been expired. No message will be broadcast!", pageId);
            }
        } catch (Exception x) {
            LOG.error("An error occurred during processing of a WebSocket message", x);
        } finally {
            try {
                webResponse.close();
            } finally {
                ThreadContext.setApplication(oldApplication);
                ThreadContext.setRequestCycle(oldRequestCycle);
                ThreadContext.setSession(oldSession);
            }
        }
    } else {
        LOG.debug("Either there is no connection({}) or it is closed.", connection);
    }
}

Example 18 with RequestCycle

use of org.apache.wicket.request.cycle.RequestCycle in project wicket by apache.

the class AbstractWebSocketProcessor method createRequestCycle.

private RequestCycle createRequestCycle(WebSocketRequestMapper requestMapper, WebResponse webResponse) {
    RequestCycleContext context = new RequestCycleContext(webRequest, webResponse, requestMapper, application.getExceptionMapperProvider().get());
    RequestCycle requestCycle = application.getRequestCycleProvider().apply(context);
    requestCycle.getListeners().add(application.getRequestCycleListeners());
    requestCycle.getListeners().add(new IRequestCycleListener() {

        @Override
        public void onDetach(final RequestCycle requestCycle) {
            if (Session.exists()) {
                Session.get().getPageManager().commitRequest();
            }
        }
    });
    requestCycle.getUrlRenderer().setBaseUrl(baseUrl);
    return requestCycle;
}

Example 19 with RequestCycle

use of org.apache.wicket.request.cycle.RequestCycle in project wicket by apache.

the class RequestSettingRequestHandler method respond.

@Override
public void respond(IRequestCycle requestCycle) {
    RequestCycle cycle = (RequestCycle) requestCycle;
    Request originalRequest = cycle.getRequest();
    try {
        cycle.setRequest(request);
        delegate.respond(requestCycle);
    } finally {
        cycle.setRequest(originalRequest);
    }
}

Example 20 with RequestCycle

use of org.apache.wicket.request.cycle.RequestCycle in project wicket by apache.

the class AjaxRequestHandler method respond.

/**
 * @see org.apache.wicket.core.request.handler.IPageRequestHandler#respond(org.apache.wicket.request.IRequestCycle)
 */
@Override
public final void respond(final IRequestCycle requestCycle) {
    final RequestCycle rc = (RequestCycle) requestCycle;
    final WebResponse response = (WebResponse) requestCycle.getResponse();
    if (shouldRedirectToPage(requestCycle)) {
        // the page itself has been added to the request target, we simply issue a redirect
        // back to the page
        IRequestHandler handler = new RenderPageRequestHandler(new PageProvider(page));
        final String url = rc.urlFor(handler).toString();
        response.sendRedirect(url);
        return;
    }
    respondersFrozen = true;
    for (ITargetRespondListener listener : respondListeners) {
        listener.onTargetRespond(this);
    }
    final Application app = page.getApplication();
    page.send(app, Broadcast.BREADTH, this);
    // Determine encoding
    final String encoding = app.getRequestCycleSettings().getResponseRequestEncoding();
    // Set content type based on markup type for page
    update.setContentType(response, encoding);
    // Make sure it is not cached by a client
    response.disableCaching();
    final StringResponse bodyResponse = new StringResponse();
    update.writeTo(bodyResponse, encoding);
    CharSequence filteredResponse = invokeResponseFilters(bodyResponse);
    response.write(filteredResponse);
}