private List<File> toFiles(Object transferData, Function<String, File> urlToFileConverter) {

		List<File> files = new ArrayList<>();
		String string = (String) transferData;
		String[] urls = string.split("\\n");
		for (String url : urls) {
			File file = urlToFileConverter.apply(url);
			if (file != null) {
				files.add(file);
			}
		}
		return files;
	}
Linux URL-based file list {@link DataFlavor} to be used during handler registration
using {@link DataTreeDragNDropHandler#addActiveDataFlavorHandler}.
Ghidra/Features/Base/src/main/java/ghidra/framework/main/datatree/LinuxFileUrlHandler.java