| Package | Description | 
|---|---|
| javax.imageio | 
 The main package of the Java Image I/O API. 
 | 
| javax.imageio.metadata | 
 A package of the Java Image I/O API dealing with reading and writing
metadata. 
 | 
| javax.imageio.spi | 
 A package of the Java Image I/O API containing the plug-in interfaces
for readers, writers, transcoders, and streams, and a runtime
registry. 
 | 
| Class and Description | 
|---|
| IIOMetadata
 An abstract class to be extended by objects that represent metadata
 (non-image data) associated with images and streams. 
 | 
| Class and Description | 
|---|
| IIOInvalidTreeException
 An  
IIOInvalidTreeException is thrown when an attempt
 by an IIOMetadata object to parse a tree of
 IIOMetadataNodes fails. | 
| IIOMetadata
 An abstract class to be extended by objects that represent metadata
 (non-image data) associated with images and streams. 
 | 
| IIOMetadataController
 An interface to be implemented by objects that can determine the
 settings of an  
IIOMetadata object, either by putting
 up a GUI to obtain values from a user, or by other means. | 
| IIOMetadataFormat
 An object describing the structure of metadata documents returned
 from  
IIOMetadata.getAsTree and passed to
 IIOMetadata.setFromTree and mergeTree. | 
| IIOMetadataNode
 A class representing a node in a meta-data tree, which implements
 the 
  
org.w3c.dom.Element interface and additionally allows
 for the storage of non-textual objects via the
 getUserObject and setUserObject methods. | 
| Class and Description | 
|---|
| IIOMetadataFormat
 An object describing the structure of metadata documents returned
 from  
IIOMetadata.getAsTree and passed to
 IIOMetadata.setFromTree and mergeTree. | 
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