* @see ConcurrentHashMap#putIfAbsent(Object, Object)
     */
    public static <K, V> V putIfAbsent(final ConcurrentMap<K, V> map, final K key, final V value) {
        final V exists = map.putIfAbsent(key, value);
        if (exists != null) {
            return exists;
        }
        return value;
    }

    /**

        try {
            mimeTypes = MimeTypesFactory.create(MIME_TYPES_RESOURCE_NAME);
        } catch (final Exception e) {
            throw new CrawlerSystemException("Could not initialize MimeTypeHelper.", e);
        }
    }

    @Override
    public String getContentType(final InputStream is, final String filename) {
        final Map<String, String> params = new HashMap<>();
        params.put(ExtractData.RESOURCE_NAME_KEY, filename);

    private static final long serialVersionUID = 1L;

    /** The key of the message:  */
    public static final String ERRORS_front_header = "{errors.front_header}";

    /** The key of the message:  */
    public static final String ERRORS_front_footer = "{errors.front_footer}";

    /** The key of the message: <div class="alert alert-warning"> */

     */
    // GET /api/admin/badword/settings
    // PUT /api/admin/badword/settings
    @Execute
    public JsonResponse<ApiResult> settings(final SearchBody body) {
        validateApi(body, messages -> {});
        final BadWordPager pager = copyBeanToNewBean(body, BadWordPager.class);
        final List<BadWord> list = badWordService.getBadWordList(pager);
        return asJson(

    private static final String PROTWORDS = "protwords";

    List<ProtwordsItem> protwordsItemList;

    /**
     * Constructor for ProtwordsFile.
     * @param id the file identifier
     * @param path the file path
     * @param timestamp the file timestamp
     */
    public ProtwordsFile(final String id, final String path, final Date timestamp) {
        super(id, path, timestamp);
    }

  static final RuntimeException RUNTIME_EXCEPTION = new RuntimeException();
  static final OtherThrowable OTHER_THROWABLE = new OtherThrowable();
  static final Future<String> FAILED_FUTURE_OTHER_THROWABLE =
      immediateFailedFuture(OTHER_THROWABLE);
  static final Error ERROR = new Error("mymessage");
  static final Future<String> FAILED_FUTURE_ERROR = immediateFailedFuture(ERROR);

 * This class cannot be instantiated.
 */
public final class FieldNames {
    /** The unique identifier field. */
    public static final String ID = "_id";
    /** The text content field. */
    public static final String TEXT = "text";
    /** The prefix for reading fields. */
    public static final String READING_PREFIX = "reading_";
    /** The score field. */
    public static final String SCORE = "score";

     */
    @Test
    public void testAddAll() throws Exception {
        final String[] array = new String[] { "111" };
        final String[] newArray = ArrayUtil.add(array, "222");
        assertThat(newArray.length, is(2));
        assertThat(newArray[0], is("111"));
        assertThat(newArray[1], is("222"));

        final String[] emptyArray = new String[0];

     */
    @Override
    public void store(final DataStoreParams paramMap, final Map<String, Object> dataMap) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        systemHelper.calibrateCpuLoad();

        final long startTime = systemHelper.getCurrentTimeAsLong();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final Date date = toDate("11:49:10 JST");
        final SimpleDateFormat df = new SimpleDateFormat("HH:mm:ss");
        df.setTimeZone(TimeZone.getTimeZone("JST"));
        assertThat(df.format(date), is("11:49:10"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_FullStyle() throws Exception {
        final Date date = toDate("11時49分10秒 JST");