// update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);
                        return new ProtwordsItem(item.getId(), item.getNewInput());
                    }
                    return null;
                } finally {
                    item.setNewInput(null);
                }
            } catch (final IOException e) {

                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);
                        return new StopwordsItem(item.getId(), item.getNewInput());
                    }
                    return null;
                } finally {
                    item.setNewInput(null);
                }
            } catch (final IOException e) {

                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);
                        return new StemmerOverrideItem(item.getId(), item.getNewInput(), item.getNewOutput());
                    }
                    return null;
                } finally {
                    item.setNewInput(null);
                    item.setNewOutput(null);