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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.
Field Summary | |
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protected boolean |
isLocal
A boolean indicating if the encapsulated
Transferable object represents the result
of local drag-n-drop operation (within the same JVM). |
protected Transferable |
transferable
The encapsulated Transferable object. |
Method Summary | |
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Object |
Returns an object which represents the data provided by the encapsulated transferable for the requested data flavor. |
DataFlavor[] |
Returns an array of DataFlavor objects indicating the flavors the data can be provided in by the encapsulated transferable. |
boolean |
isDataFlavorSupported(DataFlavor flavor) Returns whether or not the specified data flavor is supported by the encapsulated transferable. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected boolean isLocal
boolean
indicating if the encapsulated
Transferable
object represents the result
of local drag-n-drop operation (within the same JVM).
protected Transferable transferable
Transferable
object.
Method Detail |
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public Object getTransferData(DataFlavor df) throws UnsupportedFlavorException, IOException
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 dataUnsupportedFlavorException
- if the requested data flavor is
not supported.IOException
- if the data is no longer available
in the requested flavor.public DataFlavor[] getTransferDataFlavors()
public boolean isDataFlavorSupported(DataFlavor flavor)
flavor
- the requested flavor for the datatrue
if the data flavor is supported,
false
otherwise
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