try {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {
                    elevateWordService.exportCsv(writer);
                } catch (final Exception e) {
                    logger.warn("Failed to process a request.", e);

                throw new DictionaryException("Failed to write: " + oldItem + " -> " + item, e);
            }
        }

        public void write(final String line) {
            try {
                writer.write(line);
                writer.write(Constants.LINE_SEPARATOR);
            } catch (final IOException e) {
                throw new DictionaryException("Failed to write: " + line, e);
            }
        }

                throw new DictionaryException("Failed to write: " + oldItem + " -> " + item, e);
            }
        }

        public void write(final String line) {
            try {
                writer.write(line);
                writer.write(Constants.LINE_SEPARATOR);
            } catch (final IOException e) {
                throw new DictionaryException("Failed to write: " + line, e);
            }
        }

                throw new DictionaryException("Failed to write: " + oldItem + " -> " + item, e);
            }
        }

        public void write(final String line) {
            try {
                writer.write(line);
                writer.write(Constants.LINE_SEPARATOR);
            } catch (final IOException e) {
                throw new DictionaryException("Failed to write: " + line, e);
            }
        }

            final Path tempFile = ComponentUtil.getSystemHelper().createTempFile("fess-badword-", ".csv").toPath();
            try {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {
                    badWordService.exportCsv(writer);
                } catch (final Exception e) {
                    logger.warn("Failed to process a request.", e);

        }
    }

    public void exportCsv(final Writer writer) {
        final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
        final CsvConfig cfg = new CsvConfig(',', '"', '"');
        cfg.setEscapeDisabled(false);
        cfg.setQuoteDisabled(false);
        @SuppressWarnings("resource")
        final CsvWriter csvWriter = new CsvWriter(writer, cfg);
        try {

     *
     * @param writer
     *            ライター
     * @return ラップされたライター
     */
    protected static Writer wrap(final Writer writer) {
        if (writer instanceof BufferedWriter) {
            return writer;
        }
        if (writer instanceof StringWriter) {
            return writer;
        }
        return new BufferedWriter(writer, DEFAULT_BUF_SIZE);
    }

     * .
     *
     * @throws IOException
     */
    @Test
    public void testStorePropertiesWriterString() throws IOException {
        final Properties outProperties = new Properties();
        outProperties.setProperty("a", "A");
        final File file = tempFolder.newFile("hoge.properties");
        final Writer writer = WriterUtil.create(file);

            try {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {
                    elevateWordService.exportCsv(writer);
                } catch (final Exception e) {
                    logger.warn("Failed to process a request.", e);

                }
                return new StreamResponse("metadata").contentType("application/xhtml+xml").stream(out -> {
                    try (final Writer writer = new OutputStreamWriter(out.stream(), Constants.UTF_8_CHARSET)) {
                        writer.write(metadata);
                    }
                });
            } catch (final SsoMessageException e) {
                throw e;