| Class Summary | 
| ActivationDataFlavor | The ActivationDataFlavor class is a special subclass of java.awt.datatransfer.DataFlavor. | 
| CommandInfo | The CommandInfo class is used by CommandMap implementations to
 describe the results of command requests. | 
| CommandMap | The CommandMap class provides an interface to a registry of
 command objects available in the system. | 
| DataHandler | The DataHandler class provides a consistent interface to data
 available in many different sources and formats. | 
| FileDataSource | The FileDataSource class implements a simple DataSource object
 that encapsulates a file. | 
| FileTypeMap | The FileTypeMap is an abstract class that provides a data typing
 interface for files. | 
| MailcapCommandMap | MailcapCommandMap extends the CommandMap
 abstract class. | 
| MimeType | A Multipurpose Internet Mail Extension (MIME) type, as defined
 in RFC 2045 and 2046. | 
| MimeTypeParameterList | A parameter list of a MimeType
 as defined in RFC 2045 and 2046. | 
| MimetypesFileTypeMap | This class extends FileTypeMap and provides data typing of files
 via their file extension. | 
| URLDataSource | The URLDataSource class provides an object that wraps a URLobject in a DataSource interface. |