if (params == null) {
            params = split(getCrawlerMetadataNameMapping(), "\n").get(stream -> stream.filter(StringUtil::isNotBlank).map(v -> {
                final String[] values = v.split("=");
                if (values.length == 2) {
                    final String[] subValues = values[1].split(":", 3);
                    if (subValues.length == 3) {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.es.client;

import static org.codelibs.core.stream.StreamUtil.split;
import static org.codelibs.core.stream.StreamUtil.stream;
import static org.codelibs.opensearch.runner.OpenSearchRunner.newConfigs;
import static org.opensearch.core.action.ActionListener.wrap;

import java.io.File;

    @Override
    protected FormatType detectFormatType(final HttpServletRequest request) {
        final String servletPath = request.getServletPath();
        final String[] values = servletPath.replaceAll("/+", "/").split("/");
        final String value = values.length > 3 ? values[3] : null;
        if (value == null) {
            return FormatType.SEARCH;
        }
        final String type = value.toLowerCase(Locale.ROOT);

    private static int compareModelVersions(String first, String second) {
        // we use a dedicated comparator because we control our model version scheme.
        String[] firstSegments = first.split("\\.");
        String[] secondSegments = second.split("\\.");
        for (int i = 0; i < Math.max(firstSegments.length, secondSegments.length); i++) {
            int result = Long.valueOf(i < firstSegments.length ? firstSegments[i] : "0")