public static UIComponent addPersistent(
      FacesContext context,
      ServletRequest req,
      UIComponent parent,
      ValueExpression binding,
      Class childClass)
      throws Exception {
    if (context == null) context = FacesContext.getCurrentInstance();

    if (parent == null) {
      UIComponentClassicTagBase parentTag =
          (UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");

      parent = parentTag.getComponentInstance();

      BodyContent body = parentTag.getBodyContent();

      addVerbatim(parent, body);
    }

    UIComponent child = null;

    if (binding != null) child = (UIComponent) binding.getValue(context.getELContext());

    if (child == null) {
      child = (UIComponent) childClass.newInstance();

      // jsf/3251
      if (binding != null) binding.setValue(context.getELContext(), child);
    }

    if (parent != null) parent.getChildren().add(child);

    return child;
  }
  public static UIComponent addFacet(
      FacesContext context,
      ServletRequest req,
      UIComponent parent,
      String facetName,
      ValueExpression binding,
      Class childClass)
      throws Exception {
    if (context == null) context = FacesContext.getCurrentInstance();

    if (parent == null) {
      UIComponentClassicTagBase parentTag =
          (UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");

      parent = parentTag.getComponentInstance();
    }

    UIComponent child = null;

    if (binding != null) child = (UIComponent) binding.getValue(context.getELContext());

    if (child == null) child = (UIComponent) childClass.newInstance();

    if (parent != null) parent.getFacets().put(facetName, child);

    if (binding != null) binding.setValue(context.getELContext(), child);

    return child;
  }
Esempio n. 3
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  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);
    }
  }
 static final String evalString(ValueExpression expr, FacesContext context) {
   try {
     return (String) expr.getValue(context.getELContext());
   } catch (ELException e) {
     throw new FacesException(e);
   }
 }
 static final int evalInt(ValueExpression expr, FacesContext context) {
   try {
     return (Integer) expr.getValue(context.getELContext());
   } catch (ELException e) {
     throw new FacesException(e);
   }
 }
  static ValueExpression restore(Object value, Class type, FacesContext context) {
    if (value == null) return null;

    String expr = (String) value;

    Application app = context.getApplication();
    ExpressionFactory factory = app.getExpressionFactory();

    return factory.createValueExpression(context.getELContext(), expr, type);
  }
  static final boolean evalBoolean(ValueExpression expr, FacesContext context) {
    try {
      Object value = expr.getValue(context.getELContext());

      if (value == null) return false;
      else if (value instanceof Boolean) return ((Boolean) value).booleanValue();
      else if (value instanceof String) return "true".equalsIgnoreCase((String) value);
      else return false;
    } catch (ELException e) {
      throw new FacesException(e);
    }
  }
  static ValueExpression restoreWithType(Object value, FacesContext context) {
    if (value == null) return null;

    Object[] state = (Object[]) value;

    String expr = (String) state[0];
    Class type = (Class) state[1];

    Application app = context.getApplication();
    ExpressionFactory factory = app.getExpressionFactory();

    return factory.createValueExpression(context.getELContext(), expr, type);
  }