* <P>
* @return the <code>Transferable</code>
*/
protected Transferable getTransferable() throws InvalidDnDOperationException {
DropTargetContextPeer peer = getDropTargetContextPeer();
if (peer == null) {
throw new InvalidDnDOperationException();
} else {
if (transferable == null) {
Transferable t = peer.getTransferable();
boolean isLocal = peer.isTransferableJVMLocal();
synchronized (this) {
if (transferable == null) {
transferable = createTransferableProxy(t, isLocal);
}
}