}

    /**
     * @throws Exception
     */
    public void testIsExist() throws Exception {
        assertEquals("1", true, ResourceUtil.isExist("CLMessages.properties"));
        assertEquals("2", false, ResourceUtil.isExist("hoge"));
    }

    /**
     * @throws Exception
     */
    public void testGetExtension() throws Exception {

     *            The resource path. Must not be {@literal null} or empty string.
     * @return {@literal true} if the resource exists
     * @see #getResourceNoException(String)
     */
    public static boolean isExist(final String path) {
        assertArgumentNotEmpty("path", path);

        return getResourceNoException(path) != null;
    }

    /**
     * Loads and returns a properties file from the context class loader.

                }

                final String dataPath = getResourcePath(indexConfigPath, fessConfig.getFesenType(), "/" + index + "/" + docType + ".bulk");
                if (ResourceUtil.isExist(dataPath)) {
                    insertBulkData(fessConfig, indexName, dataPath);
                }
                split(fessConfig.getAppExtensionNames(), ",").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(name -> {