/**
* Imports the drop data by going over the list of supported callbacks. This method will return
* true if a callback could be found that could successfully import the drop data, or false
* otherwise.
*
* @param support The TransferSupport describing the drop event.
* @return true if a callback could be found that could successfully import the drop data, or
* false otherwise.
*/
@Override
public boolean importData(final TransferSupport support) {
try {
final DataFlavor[] flavors = support.getDataFlavors();
for (DataFlavor flavor : flavors) {
final LinkedList<DropHandlerCallback> callbacks = _callbackMapping.get(flavor);
if (callbacks == null) continue;
final Object data = support.getTransferable().getTransferData(flavor);
for (DropHandlerCallback callback : callbacks)
if (callback.importData(support.getComponent(), data)) return true;
}
} catch (Exception e) {
return false;
}
return false;
}
/**
* Checks whether a callback has been registered for any of the data flavors supported by this
* drop event.
*
* @param support The TransferSupport describing the drop event.
* @return Whether or not a callback for any of the support's data flavors has been registered.
*/
@Override
public boolean canImport(final TransferSupport support) {
for (DataFlavor flavor : _callbackMapping.keySet()) {
final LinkedList<DropHandlerCallback> callbackLinkedList = _callbackMapping.get(flavor);
if (callbackLinkedList.size() > 0 && support.isDataFlavorSupported(flavor)) return true;
}
return false;
}