# Uses of Interface
org.w3c.dom.UserDataHandler

Packages that use UserDataHandler
Package
Description
javax.imageio.metadata
A package of the Java Image I/O API dealing with reading and writing metadata.
org.w3c.dom
Provides the interfaces for the Document Object Model (DOM).

- ## Uses of UserDataHandler in javax.imageio.metadata

  Methods in javax.imageio.metadata with parameters of type UserDataHandler
  Modifier and Type
  Method
  Description
  `Object`
  IIOMetadataNode.`setUserData(String key, Object data, UserDataHandler handler)`
  This DOM Level 3 method is not supported for `IIOMetadataNode` and will throw a `DOMException`.

- ## Uses of UserDataHandler in org.w3c.dom

  Methods in org.w3c.dom with parameters of type UserDataHandler
  Modifier and Type
  Method
  Description
  `Object`
  Node.`setUserData(String key, Object data, UserDataHandler handler)`
  Associate an object to a key on this node.