newInput = input;
            newOutput = output;
        }
    }

    /**
     * Gets the new input word.
     *
     * @return The new input word.
     */
    public String getNewInput() {
        return newInput;
    }

    /**
     * Sets the new input word.
     *
     * @param newInput The new input word.
     */
    public void setNewInput(final String newInput) {

            // create
            newInput = input;
        }
    }

    /**
     * Gets the new input value for this item.
     * @return the new input value
     */
    public String getNewInput() {
        return newInput;
    }

    /**
     * Sets the new input value for this item.
     * @param newInput the new input value
     */
    public void setNewInput(final String newInput) {

        if (id == 0) {
            // create
            newInput = input;
        }
    }

    /**
     * Gets the new stopword.
     *
     * @return The new stopword.
     */
    public String getNewInput() {
        return newInput;
    }

    /**
     * Sets the new stopword.
     *
     * @param newInput The new stopword.
     */
    public void setNewInput(final String newInput) {

        // Test getNewInput method
        ProtwordsItem item = new ProtwordsItem(1, "word");
        assertNull(item.getNewInput());

        item.setNewInput("newword");
        assertEquals("newword", item.getNewInput());
    }

    @Test
    public void test_setNewInput() {
        // Test setNewInput method
        ProtwordsItem item = new ProtwordsItem(1, "word");

        item.setNewInput("updatedword");

        StopwordsItem item = new StopwordsItem(1, "or");
        assertNull(item.getNewInput());

        item.setNewInput("nor");
        assertEquals("nor", item.getNewInput());

        item.setNewInput("");
        assertEquals("", item.getNewInput());

        item.setNewInput(null);
        assertNull(item.getNewInput());
    }

    @Test
    public void test_getInput() {
        // Test getInput method

        assertEquals(1, stemmerOverrideItem.getId());
        assertEquals("aaa", stemmerOverrideItem.getInput());
        assertEquals("a", stemmerOverrideItem.getOutput());
        assertNull(stemmerOverrideItem.getNewInput());
        assertNull(stemmerOverrideItem.getNewOutput());
        assertFalse(stemmerOverrideItem.isUpdated());
        assertFalse(stemmerOverrideItem.isDeleted());

        stemmerOverrideItem.setNewInput("bbb");

                        // 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);