Examples with PreHandle act.handler.event.PreHandle used on opensource projects

Example 1 with PreHandle

use of act.handler.event.PreHandle in project actframework by actframework.

the class ActionContext method forward.

public void forward(String url) {
    E.illegalArgumentIfNot(url.startsWith("/"), "forward URL must starts with single '/'");
    E.illegalArgumentIf(url.startsWith("//"), "forward URL must starts with single `/`");
    E.unexpectedIfNot(H.Method.GET == req().method(), "forward only support on HTTP GET request");
    uploads.clear();
    extraParams.clear();
    bodyParams = null;
    urlPath = UrlPath.of(url);
    UndertowRequest req = $.cast(req());
    state = State.CREATED;
    req.forward(url);
    final RequestHandler requestHandler = router.getInvoker(H.Method.GET, url, this);
    app().eventBus().emit(new PreHandle(this));
    requestHandler.handle(this);
}

Example 2 with PreHandle

use of act.handler.event.PreHandle in project actframework by actframework.

the class NetworkHandler method handle.

public void handle(final ActionContext ctx, final NetworkDispatcher dispatcher) {
    if (isDestroyed()) {
        return;
    }
    Exception refreshError = null;
    if (Act.isDev()) {
        try {
            boolean updated = app.checkUpdates(false);
            if (updated && !app.hasBlockIssue()) {
                app.jobManager().on(SysEventId.POST_START, new Runnable() {

                    @Override
                    public void run() {
                        handle(ctx, dispatcher);
                    }
                }, true);
                dispatcher.keep();
                return;
            }
        } catch (Exception e) {
            refreshError = e;
        }
    }
    final H.Request req = ctx.req();
    String url = req.url();
    H.Method method = req.method();
    url = contentSuffixProcessor.apply(req, url);
    try {
        url = urlContextProcessor.apply(req, url);
    } catch (NotFound notFound) {
        ctx.handler(AlwaysNotFound.INSTANCE);
        ctx.saveLocal();
        AlwaysNotFound.INSTANCE.apply(ctx);
        return;
    }
    Timer timer = metric.startTimer(MetricInfo.ROUTING);
    final RequestHandler requestHandler = router().getInvoker(method, url, ctx);
    ctx.handler(requestHandler);
    timer.stop();
    boolean resourceGetter = requestHandler instanceof ResourceGetter || requestHandler instanceof FileGetter;
    if (null != refreshError && !resourceGetter) {
        ctx.saveLocal();
        handleException(refreshError, ctx, "Error refreshing app");
        ActionContext.clearCurrent();
        return;
    }
    NetworkJob job = new NetworkJob() {

        @Override
        public void run() {
            Timer timer = Metric.NULL_METRIC.startTimer("null");
            if (metric != Metric.NULL_METRIC) {
                String key = S.concat(MetricInfo.HTTP_HANDLER, ":", requestHandler.toString());
                timer = metric.startTimer(key);
            }
            ctx.saveLocal();
            EventBus eventBus = app.eventBus();
            try {
                eventBus.emit(new PreHandle(ctx));
                requestHandler.handle(ctx);
            } catch (Result r) {
                if (isError(r)) {
                    ctx.handler(FastRequestHandler.DUMB);
                }
                try {
                    r = RequestHandlerProxy.GLOBAL_AFTER_INTERCEPTOR.apply(r, ctx);
                } catch (Exception e) {
                    logger.error(e, "Error calling global after interceptor");
                    r = ActErrorResult.of(e);
                }
                if (null == ctx.handler() || isError(r)) {
                    ctx.handler(FastRequestHandler.DUMB);
                }
                H.Format fmt = req.accept();
                if (H.Format.UNKNOWN == fmt) {
                    fmt = req.contentType();
                }
                ctx.prepareRespForWrite().addHeaderIfNotAdded(H.Header.Names.CONTENT_TYPE, fmt.contentType());
                r.apply(req, ctx.prepareRespForWrite());
            } catch (Exception e) {
                handleException(e, ctx, "Error handling network request");
            } finally {
                // we don't destroy ctx here in case it's been passed to
                // another thread
                eventBus.emit(new PostHandle(ctx));
                ActionContext.clearCurrent();
                timer.stop();
            }
        }
    };
    if (method.unsafe() || !requestHandler.express(ctx)) {
        dispatcher.dispatch(job);
    } else {
        job.run();
    }
}