org.openide.util.datatransfer
Class ExTransferable

java.lang.Object
  |
  +--org.openide.util.datatransfer.ExTransferable

All Implemented Interfaces:

Transferable

public class ExTransferable

extends Object

implements Transferable

Provides additional operations on a transferable.

Inner Class Summary

static class	ExTransferable.Multi Transferable object for multiple transfer.
static class	ExTransferable.Single Support for transferable owner with only one data flavor.

Field Summary

static Transferable	EMPTY An implementation of Transferable that contains no data.
static DataFlavor	multiFlavor Flavor for transfer of multiple objects.

Method Summary

void	addTransferListener(TransferListener l) Adds a listener to watch the life-cycle of this object.
static ExTransferable	create(Transferable t) Method to create a new extended transferable from a plain transferable.
Object	getTransferData(DataFlavor flavor)
DataFlavor[]	getTransferDataFlavors()
boolean	isDataFlavorSupported(DataFlavor flavor)
void	put(ExTransferable.Single single) Add a new flavor with its data.
void	remove(DataFlavor flavor) Remove a flavor from the supported set.
void	removeTransferListener(TransferListener l) Removes a listener.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EMPTY

public static final Transferable EMPTY

An implementation of Transferable that contains no data.

multiFlavor

public static final DataFlavor multiFlavor

Flavor for transfer of multiple objects.

Method Detail

put

public void put(ExTransferable.Single single)

Add a new flavor with its data.

Parameters:

single - the single transferable to use

remove

public void remove(DataFlavor flavor)

Remove a flavor from the supported set.

Parameters:

flavor - the flavor to remove

getTransferDataFlavors

public DataFlavor[] getTransferDataFlavors()

Specified by:

getTransferDataFlavors in interface Transferable

isDataFlavorSupported

public boolean isDataFlavorSupported(DataFlavor flavor)

Specified by:

isDataFlavorSupported in interface Transferable

getTransferData

public Object getTransferData(DataFlavor flavor)
                       throws UnsupportedFlavorException,
                              IOException

Specified by:

getTransferData in interface Transferable

create

public static ExTransferable create(Transferable t)

Method to create a new extended transferable from a plain transferable. If the given transferable is already ExTransferable, then it is returned as is. Otherwise the data is copied.

Parameters:

t - transferable to create support for

Returns:

extended transferable

addTransferListener

public final void addTransferListener(TransferListener l)

Adds a listener to watch the life-cycle of this object.

Parameters:

l - the listener

removeTransferListener

public final void removeTransferListener(TransferListener l)

Removes a listener.