Exemple #1
0
  public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
    // only process if it's been created
    if (null == parent
        || (null == (parent = parent.getParent()))
        || !(ComponentHandler.isNew(parent))) {
      return;
    }

    Map<String, Object> attrs = parent.getAttributes();

    CompositeComponentBeanInfo componentBeanInfo =
        (CompositeComponentBeanInfo) attrs.get(UIComponent.BEANINFO_KEY);
    assert (null != componentBeanInfo);
    List<PropertyDescriptor> declaredAttributes = componentBeanInfo.getPropertyDescriptorsList();

    // Get the value of required the name propertyDescriptor
    ValueExpression ve = name.getValueExpression(ctx, String.class);
    String strValue = (String) ve.getValue(ctx);

    // Search the propertyDescriptors for one for this attribute
    for (PropertyDescriptor cur : declaredAttributes) {
      if (strValue.endsWith(cur.getName())) {
        // If we have a match, no need to waste time
        // duplicating and replacing it.
        return;
      }
    }

    PropertyDescriptor propertyDescriptor;
    try {
      propertyDescriptor = new PropertyDescriptor(strValue, null, null);
      declaredAttributes.add(propertyDescriptor);
    } catch (IntrospectionException ex) {
      throw new TagException(
          tag, "Unable to create property descriptor for property " + strValue, ex);
    }

    for (TagAttribute tagAttribute : this.tag.getAttributes().getAll()) {
      String attributeName = tagAttribute.getLocalName();
      PropertyHandler handler = ATTRIBUTE_MANAGER.getHandler(ctx, attributeName);
      if (handler != null) {
        handler.apply(ctx, attributeName, propertyDescriptor, tagAttribute);
      }
    }

    this.nextHandler.apply(ctx, parent);
  }
  public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
    // only process if it's been created
    if (null == parent
        || (null == (parent = parent.getParent()))
        || !(ComponentHandler.isNew(parent))) {
      return;
    }

    Map<String, Object> attrs = parent.getAttributes();

    CompositeComponentBeanInfo componentBeanInfo =
        (CompositeComponentBeanInfo) attrs.get(UIComponent.BEANINFO_KEY);
    assert (null != componentBeanInfo);
    List<PropertyDescriptor> declaredAttributes = componentBeanInfo.getPropertyDescriptorsList();

    // Get the value of required the name propertyDescriptor
    ValueExpression ve = name.getValueExpression(ctx, String.class);
    String strValue = (String) ve.getValue(ctx);

    // Search the propertyDescriptors for one for this attribute
    for (PropertyDescriptor cur : declaredAttributes) {
      if (strValue.endsWith(cur.getName())) {
        // If we have a match, no need to waste time
        // duplicating and replacing it.
        return;
      }
    }

    PropertyDescriptor propertyDescriptor;
    try {
      propertyDescriptor = new CCAttributePropertyDescriptor(strValue, null, null);
      declaredAttributes.add(propertyDescriptor);
    } catch (IntrospectionException ex) {
      throw new TagException(
          tag, "Unable to create property descriptor for property " + strValue, ex);
    }

    TagAttribute defaultTagAttribute = null;
    PropertyHandler defaultHandler = null;
    for (TagAttribute tagAttribute : this.tag.getAttributes().getAll()) {
      String attributeName = tagAttribute.getLocalName();
      if ("default".equals(attributeName)) {
        // store the TagAttribute and the PropertyHandler for later
        // execution, as the handler for the default-attribute requires,
        // that the PropertyHandler for 'type' - if it exists - has been
        // applied first.
        defaultTagAttribute = tagAttribute;
        defaultHandler = ATTRIBUTE_MANAGER.getHandler(ctx, "default");
      } else {
        PropertyHandler handler = ATTRIBUTE_MANAGER.getHandler(ctx, attributeName);
        if (handler != null) {
          handler.apply(ctx, attributeName, propertyDescriptor, tagAttribute);
        }
      }
    }
    if (defaultHandler != null) {
      // If the 'default'-attribute of cc:attribute was set, apply the
      // previously stored PropertyHandler (see above) now, as now it is
      // guaranteed that if a 'type'-attribute existed, that its handler
      // was already applied
      try {
        defaultHandler.apply(ctx, "default", propertyDescriptor, defaultTagAttribute);
      } catch (IllegalArgumentException ex) {
        // If the type (according to the type-attribute) can not be
        // found, the DefaultPropertyHandler will wrapp the
        // ClassNotFoundException into an IllegalArgumentException,
        // which is unwrapped into a TagException here.
        throw new TagException(
            tag, "'type' could not be resolved: " + ex.getCause(), ex.getCause());
      }
    }

    this.nextHandler.apply(ctx, parent);
  }