/** * Obtain and return the {@link ResponseStateManager} for the specified #renderKitId. * * @param context the {@link FacesContext} of the current request * @param renderKitId {@link RenderKit} ID * @return the {@link ResponseStateManager} for the specified #renderKitId * @throws FacesException if an exception occurs while trying to obtain the <code> * ResponseStateManager</code> */ public static ResponseStateManager getResponseStateManager( FacesContext context, String renderKitId) throws FacesException { assert (null != renderKitId); assert (null != context); RenderKit renderKit = context.getRenderKit(); if (renderKit == null) { // check request scope for a RenderKitFactory implementation RenderKitFactory factory = (RenderKitFactory) RequestStateManager.get(context, RequestStateManager.RENDER_KIT_IMPL_REQ); if (factory != null) { renderKit = factory.getRenderKit(context, renderKitId); } else { factory = (RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY); if (factory == null) { throw new IllegalStateException(); } else { RequestStateManager.set(context, RequestStateManager.RENDER_KIT_IMPL_REQ, factory); } renderKit = factory.getRenderKit(context, renderKitId); } } return renderKit.getResponseStateManager(); }
private void restoreView(FacesContext context) throws FacesException { Application app = context.getApplication(); if (app instanceof ApplicationImpl) ((ApplicationImpl) app).initRequest(); ViewHandler view = app.getViewHandler(); view.initView(context); UIViewRoot viewRoot = context.getViewRoot(); if (viewRoot != null) { ExternalContext extContext = context.getExternalContext(); viewRoot.setLocale(extContext.getRequestLocale()); doSetBindings(context.getELContext(), viewRoot); return; } String viewId = calculateViewId(context); String renderKitId = view.calculateRenderKitId(context); RenderKitFactory renderKitFactory = (RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY); RenderKit renderKit = renderKitFactory.getRenderKit(context, renderKitId); ResponseStateManager stateManager = renderKit.getResponseStateManager(); if (stateManager.isPostback(context)) { viewRoot = view.restoreView(context, viewId); if (viewRoot != null) { doSetBindings(context.getELContext(), viewRoot); } else { // XXX: backward compat issues with ViewHandler and StateManager // throw new ViewExpiredException(L.l("{0} is an expired view", viewId)); context.renderResponse(); viewRoot = view.createView(context, viewId); context.setViewRoot(viewRoot); } context.setViewRoot(viewRoot); } else { context.renderResponse(); viewRoot = view.createView(context, viewId); context.setViewRoot(viewRoot); } }
/** @see javax.faces.context.FacesContext#isPostback() */ @Override public boolean isPostback() { assertNotReleased(); Boolean postback = (Boolean) this.getAttributes().get(POST_BACK_MARKER); if (postback == null) { RenderKit rk = this.getRenderKit(); if (rk != null) { postback = rk.getResponseStateManager().isPostback(this); } else { // ViewRoot hasn't been set yet, so calculate the RK ViewHandler vh = this.getApplication().getViewHandler(); String rkId = vh.calculateRenderKitId(this); postback = RenderKitUtils.getResponseStateManager(this, rkId).isPostback(this); } this.getAttributes().put(POST_BACK_MARKER, postback); } return postback; }