protected class DropTargetContext.TransferableProxy extends Object implements Transferable
TransferableProxy is a helper inner class that implements
Transferable interface and serves as a proxy for another
Transferable object which represents data transfer for a particular drag-n-drop operation.
The proxy forwards all requests to the encapsulated transferable and automatically performs additional conversion on the data returned by the encapsulated transferable in case of local transfer.
protected Transferable transferable
protected boolean isLocal
boolean indicating if the encapsulated
Transferable object represents the result of local drag-n-drop operation (within the same JVM).
public DataFlavor getTransferDataFlavors()
Returns an array of DataFlavor objects indicating the flavors the data can be provided in by the encapsulated transferable.
public boolean isDataFlavorSupported(DataFlavor flavor)
Returns whether or not the specified data flavor is supported by the encapsulated transferable.
flavor- the requested flavor for the data
trueif the data flavor is supported,
public Object getTransferData(DataFlavor df) throws UnsupportedFlavorException, IOException
Returns an object which represents the data provided by the encapsulated transferable for the requested data flavor.
In case of local transfer a serialized copy of the object returned by the encapsulated transferable is provided when the data is requested in application/x-java-serialized-object data flavor.
df- the requested flavor for the data
IOException- if the data is no longer available in the requested flavor.
UnsupportedFlavorException- if the requested data flavor is not supported.
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