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## javax.faces.view
Interface AttachedObjectTarget

All Known Subinterfaces:
  ActionSource2AttachedObjectTarget, BehaviorHolderAttachedObjectTarget, EditableValueHolderAttachedObjectTarget, ValueHolderAttachedObjectTarget

    public interface AttachedObjectTarget

Within the declaration of a composite component, an `AttachedObjectTarget` allows the composite component author to expose the semantics of an inner component to the page author without exposing the rendering or implementation details of the inner component. See `ViewDeclarationLanguage.getComponentMetadata(javax.faces.context.FacesContext, javax.faces.application.Resource)` for the context in which implementations of this interface are used.

The implementation must ensure that this instance is thread safe and may be shared among different component trees.

Subinterfaces are provided for the common behavioral interfaces: `Behavior`, `ValueHolder`, `EditableValueHolder` and `ActionSource2`. The default VDL implementation must provide a corresponding Facelets tag handler for each of the subinterfaces of this interface.

Since:
  2.0

Field Summary
`static String` | `ATTACHED_OBJECT_TARGETS_KEY` The key in the value set of the composite component `BeanDescriptor`, the value for which is a `List<AttachedObjectTarget>`.

Method Summary
`String` | `getName()` Returns the name by which this attached object target is exposed to the page author.
`List<UIComponent>` | `getTargets(UIComponent topLevelComponent)` Returns the `List<UIComponent>` that this `AttachedObjectTarget` exposes.

Field Detail

### ATTACHED_OBJECT_TARGETS_KEY

    static final String ATTACHED_OBJECT_TARGETS_KEY

  The key in the value set of the composite component `BeanDescriptor`, the value for which is a `List<AttachedObjectTarget>`.

  See Also:
    Constant Field Values

Method Detail

### getTargets

    List<UIComponent> getTargets(UIComponent topLevelComponent)

  Returns the `List<UIComponent>` that this `AttachedObjectTarget` exposes. Each attached object exposed by the composite component author may point at multiple `UIComponent` instances within the composite component. This method is used by the `ViewDeclarationLanguage.retargetAttachedObjects(javax.faces.context.FacesContext, javax.faces.component.UIComponent, java.util.List)` method to take the appropriate action on the attached object.

### getName

    String getName()

  Returns the name by which this attached object target is exposed to the page author.

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