List<FoldingTransferableData> (final @NotNull Transferable content) { DataFlavor flavor = FoldingData.getDataFlavor(); if (flavor == null) { return Collections.emptyList(); } Object data; try { data = content.getTransferData(flavor); } catch (UnsupportedFlavorException | IOException e) { //ignore exception return Collections.emptyList(); } if (!(data instanceof FoldingTransferableData)) { LOG.error("Transferable content has returned invalid data\ncontent: " + content + "\ndata: " + data); return Collections.emptyList(); } // copy to prevent changing of original by convertLineSeparators FoldingTransferableData foldingData = ((FoldingTransferableData)data).clone(); return Collections.singletonList(foldingData); }