| Interface | Description | 
|---|---|
| CommandObject | JavaBeans components that are Activation Framework aware implement
 this interface to find out which command verb they're being asked
 to perform, and to obtain the DataHandler representing the
 data they should operate on. | 
| DataContentHandler | The DataContentHandler interface is implemented by objects that can
 be used to extend the capabilities of the DataHandler's implementation
 of the Transferable interface. | 
| DataContentHandlerFactory | This interface defines a factory for  DataContentHandlers. | 
| DataSource | The DataSource interface provides the JavaBeans Activation Framework
 with an abstraction of an arbitrary collection of data. | 
| Class | Description | 
|---|---|
| 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. | 
| Exception | Description | 
|---|---|
| MimeTypeParseException | A class to encapsulate MimeType parsing related exceptions. | 
| UnsupportedDataTypeException | Signals that the requested operation does not support the
 requested data type. | 
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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