@Override public void drop(DropTargetDropEvent dtde) { try { if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) { dtde.acceptDrop(DnDConstants.ACTION_COPY); Transferable t = dtde.getTransferable(); List list = (List) t.getTransferData(DataFlavor.javaFileListFlavor); for (Object o : list) { if (o instanceof File) { File f = (File) o; System.out.println(f.getAbsolutePath()); } } dtde.dropComplete(true); return; } } catch (UnsupportedFlavorException | IOException ex) { ex.printStackTrace(); } dtde.rejectDrop(); }