try {
            final GetResponse getResponse =
                    client.prepareGet().setIndex(settingsIndexName).setId(settingsId).execute().actionGet(getSearchTimeout());

            if (!getResponse.isExists()) {
                doCreate = true;
            }
        } catch (final IndexNotFoundException e) {
            doIndexCreate = true;
            doCreate = true;
        }

        if (doCreate) {

            final IndicesExistsResponse response =
                    client.admin().indices().prepareExists(getSearchAlias(index)).execute().actionGet(suggestSettings.getIndicesTimeout());
            if (!response.isExists()) {
                final String mappingSource = getDefaultMappings();
                final String settingsSource = getDefaultIndexSettings();
                final String indexName = createIndexName(index);

            log.trace("Using cached attributes");
            return this.isExists;
        }

        this.attributes = ATTR_READONLY | ATTR_DIRECTORY;
        this.createTime = 0L;
        this.lastModified = 0L;
        this.lastAccess = 0L;
        this.isExists = false;

        try {
            if ( this.url.getHost().length() == 0 ) {}

        boolean exists = false;
        try {
            final IndicesExistsResponse response = fesenClient.get(c -> c.admin().indices().prepareExists(index).execute());
            exists = response.isExists();
        } catch (final IndexNotFoundException e) {
            // ignore
        }
        if (!exists) {
            final CreateIndexResponse indexResponse = fesenClient.get(c -> {

        for (final SuggestItem item : mergedItems) {
            final GetResponse getResponse = client.prepareGet().setIndex(index).setId(item.getId()).get(TimeValue.timeValueSeconds(30));
            if (update && getResponse.isExists()) {
                final IndexRequestBuilder indexRequestBuilder = new IndexRequestBuilder(client, IndexAction.INSTANCE, index);
                indexRequestBuilder.setId(item.getId()).setOpType(IndexRequest.OpType.INDEX)

                    .setExpandWildcardsOpen(expandWildcardsOpen).execute().actionGet(fessConfig.getIndexSearchTimeout());
            return response.isExists();
        } catch (final Exception e) {
            // ignore
        }
        return false;
    }

    public static void deleteIndex(final IndicesAdminClient indicesClient, final String index,

        try {
            final IndicesExistsResponse response =
                    client.admin().indices().prepareExists(analyzerSettingsIndexName).execute().actionGet(settings.getIndicesTimeout());
            if (!response.isExists()) {
                createAnalyzerSettings(loadIndexSettings(), loadIndexMapping());
            }
            analyzerMap.put(analyzerSettingsIndexName, getAnalyzerNames());

        try {
            final IndicesExistsResponse response =
                    client.admin().indices().prepareExists(indexName).execute().actionGet(fessConfig.getIndexSearchTimeout());
            exists = response.isExists();
        } catch (final Exception e) {
            logger.debug("Failed to check {} index status.", indexName, e);
        }
        return exists;
    }

    }

    /**
     * @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 {

     *
     * @param path
     *            リソースのパス。{@literal null}や空文字列であってはいけません
     * @return リソースが存在すれば{@literal true}
     * @see #getResourceNoException(String)
     */
    public static boolean isExist(final String path) {
        assertArgumentNotEmpty("path", path);

        return getResourceNoException(path) != null;
    }

    /**
     * コンテキストクラスローダからプロパティファイルをロードして返します。
     *