public void encodeBeginInternal()

in tobago-core/src/main/java/org/apache/myfaces/tobago/internal/renderkit/renderer/PageRenderer.java [98:255]
124 lines of code
19 McCabe index (conditional complexity)

  public void encodeBeginInternal(final FacesContext facesContext, final T component) throws IOException {

    final TobagoConfig tobagoConfig = TobagoConfig.getInstance(facesContext);
    final TobagoContext tobagoContext = TobagoContext.getInstance(facesContext);

    if (tobagoContext.getFocusId() == null && !StringUtils.isBlank(component.getFocusId())) {
      tobagoContext.setFocusId(component.getFocusId());
    }
    final TobagoResponseWriter writer = getResponseWriter(facesContext);

    // reset responseWriter and render page
    facesContext.setResponseWriter(writer);

    if (tobagoConfig.isPreventFrameAttacks()) {
      ResponseUtils.ensureXFrameOptionsHeader(facesContext);
    }

    ResponseUtils.ensureNoCacheHeader(facesContext);

    ResponseUtils.ensureContentSecurityPolicyHeader(facesContext, tobagoConfig.getContentSecurityPolicy());

    if (LOG.isDebugEnabled()) {
      for (final Object o : component.getAttributes().entrySet()) {
        final Map.Entry entry = (Map.Entry) o;
        LOG.debug("*** '" + entry.getKey() + "' -> '" + entry.getValue() + "'");
      }
    }

    final ExternalContext externalContext = facesContext.getExternalContext();
    final String contextPath = externalContext.getRequestContextPath();
    final Object request = externalContext.getRequest();
    final Object response = externalContext.getResponse();
    final Application application = facesContext.getApplication();
    final ViewHandler viewHandler = application.getViewHandler();
    final UIViewRoot viewRoot = facesContext.getViewRoot();
    final String viewId = viewRoot.getViewId();
    final String formAction = externalContext.encodeActionURL(viewHandler.getActionURL(facesContext, viewId));
    final PartialViewContext partialViewContext = facesContext.getPartialViewContext();

    final String contentType = writer.getContentTypeWithCharSet();
    ResponseUtils.ensureContentTypeHeader(facesContext, contentType);
    if (tobagoConfig.isSetNosniffHeader()) {
      ResponseUtils.ensureNosniffHeader(facesContext);
    }

    final String clientId = component.getClientId(facesContext);
    final Markup markup = component.getMarkup();
    final TobagoClass spread = markup != null && markup.contains(Markup.SPREAD) ? TobagoClass.SPREAD : null;

    final Locale locale = viewRoot.getLocale();

    if (!partialViewContext.isAjaxRequest() || partialViewContext.isRenderAll()) {
      writer.startElement(HtmlElements.HTML);
      if (locale != null) {
        final String language = locale.getLanguage();
        if (language != null) {
          writer.writeAttribute(HtmlAttributes.LANG, language, false);
        }
      }
      writer.writeClassAttribute(spread);

      encodeHead(facesContext, component, tobagoContext, writer, viewRoot, contextPath);

      writer.startElement(HtmlElements.BODY);
      writer.writeClassAttribute(spread);
    }

    writer.startElement(HtmlElements.TOBAGO_PAGE);

    writer.writeAttribute(CustomAttributes.LOCALE, locale.toString(), false);
    writer.writeClassAttribute(
        BootstrapClass.CONTAINER_FLUID,
        spread,
        component.getCustomClass());
    writer.writeIdAttribute(clientId);
    HtmlRendererUtils.writeDataAttributes(facesContext, writer, component);

    // write the config
    writer.writeAttribute(HtmlAttributes.FOCUS_ON_ERROR, Boolean.toString(tobagoContext.getFocusOnError()), false);
    writer.writeAttribute(HtmlAttributes.WAIT_OVERLAY_DELAY_FULL, tobagoContext.getWaitOverlayDelayFull());
    writer.writeAttribute(HtmlAttributes.WAIT_OVERLAY_DELAY_AJAX, tobagoContext.getWaitOverlayDelayAjax());

    encodeBehavior(writer, facesContext, component);

    writer.startElement(HtmlElements.FORM);
    writer.writeClassAttribute(spread);
    writer.writeAttribute(HtmlAttributes.ACTION, formAction, true);
    writer.writeIdAttribute(component.getFormId(facesContext));
    writer.writeAttribute(HtmlAttributes.METHOD, getMethod(component), false);
    final String enctype = tobagoContext.getEnctype();
    if (enctype != null) {
      writer.writeAttribute(HtmlAttributes.ENCTYPE, enctype, false);
    }
    // TODO: enable configuration of  'accept-charset'
    writer.writeAttribute(HtmlAttributes.ACCEPT_CHARSET, AbstractUIPage.FORM_ACCEPT_CHARSET.name(), false);
    // TODO evaluate 'accept' attribute usage
    //writer.writeAttribute(HtmlAttributes.ACCEPT, );
    writer.writeAttribute(DataAttributes.CONTEXT_PATH, contextPath, true);

    writer.startElement(HtmlElements.INPUT);
    writer.writeAttribute(HtmlAttributes.TYPE, HtmlInputTypes.HIDDEN);
    writer.writeNameAttribute(ClientBehaviorContext.BEHAVIOR_SOURCE_PARAM_NAME);
    writer.writeIdAttribute(ClientBehaviorContext.BEHAVIOR_SOURCE_PARAM_NAME);
    writer.writeAttribute(HtmlAttributes.DISABLED, true);
    writer.endElement(HtmlElements.INPUT);

    final String lastFocusId = clientId + ComponentUtils.SUB_SEPARATOR + "lastFocusId";
    writer.startElement(HtmlElements.TOBAGO_FOCUS);
    writer.writeIdAttribute(lastFocusId);
    writer.startElement(HtmlElements.INPUT);
    writer.writeAttribute(HtmlAttributes.TYPE, HtmlInputTypes.HIDDEN);
    writer.writeNameAttribute(lastFocusId);
    writer.writeIdAttribute(lastFocusId + ComponentUtils.SUB_SEPARATOR + "field");
    writer.writeAttribute(HtmlAttributes.VALUE, tobagoContext.getFocusId(), true);
    writer.endElement(HtmlElements.INPUT);
    writer.endElement(HtmlElements.TOBAGO_FOCUS);

    if (tobagoConfig.isCheckSessionSecret()) {
      final Secret secret = Secret.getInstance(facesContext);
      if (secret != null) {
        writer.startElement(HtmlElements.INPUT);
        writer.writeAttribute(HtmlAttributes.TYPE, HtmlInputTypes.HIDDEN);
        writer.writeAttribute(HtmlAttributes.NAME, Secret.KEY, false);
        writer.writeAttribute(HtmlAttributes.ID, Secret.KEY, false);
        writer.writeAttribute(HtmlAttributes.VALUE, secret.getSecret(), false);
        writer.endElement(HtmlElements.INPUT);
      } else {
        LOG.warn("Missing session secret!");
      }
    }

    // placeholder for menus
    writer.startElement(HtmlElements.DIV);
    writer.writeClassAttribute(TobagoClass.PAGE__MENU_STORE);
    writer.endElement(HtmlElements.DIV);

    writer.startElement(HtmlElements.DIV);
    writer.writeClassAttribute(TobagoClass.PAGE__POPOVER_STORE);
    writer.endElement(HtmlElements.DIV);

    // placeholder for toasts
    writer.startElement(HtmlElements.DIV);
    writer.writeClassAttribute(TobagoClass.PAGE__TOAST_STORE);
    writer.endElement(HtmlElements.DIV);

    writer.startElement(HtmlElements.SPAN);
    writer.writeIdAttribute(clientId + ComponentUtils.SUB_SEPARATOR + "faces-state-container");
    writer.flush();
    if (!partialViewContext.isAjaxRequest() || partialViewContext.isRenderAll()) {
      viewHandler.writeState(facesContext);
    }
    writer.endElement(HtmlElements.SPAN);

    if (component.getFacet("backButtonDetector") != null) {
      final UIComponent hidden = component.getFacet("backButtonDetector");
      hidden.encodeAll(facesContext);
    }
  }