*
     * @return The created OpenSearch client.
     */
    protected Client createClient() {
        final String[] hosts =
                split(address, ",").get(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).toArray(n -> new String[n]));
        final Settings settings = Settings.builder().putList("http.hosts", hosts).build();
        return new HttpClient(settings, null);
    }

import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

import org.codelibs.fess.crawler.entity.OpenSearchUrlFilter;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.service.UrlFilterService;

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;

import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.stream.Stream;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;

            });
        });
    }

    /**
     * Download the stemmer override dictionary file.
     * Streams the dictionary file as an octet-stream download.
     *
     * @param form The download form containing dictionary ID
     * @return Action response with file stream for download
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public ActionResponse download(final DownloadForm form) {

        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Flushes the {@link OutputStream}.
     *
     * @param out the output stream
     */
    public static void flush(final OutputStream out) {
        if (out == null) {
            return;
        }
        try {
            out.flush();
        } catch (final IOException e) {

    private void loadPersistedHandles() {
        if (!Files.exists(stateDirectory)) {
            return;
        }

        try (DirectoryStream<Path> stream = Files.newDirectoryStream(stateDirectory, "*.handle")) {
            for (Path handleFile : stream) {
                try (ObjectInputStream ois = new ObjectInputStream(Files.newInputStream(handleFile))) {
                    HandleInfo info = (HandleInfo) ois.readObject();

            Trans2FindFirst2Response resp = inv.getArgument(1);
            // First response content
            FE[] res = java.util.Arrays.stream(batches.get(0)).map(FE::new).toArray(FE[]::new);
            setField(resp, jcifs.internal.smb1.trans.SmbComTransactionResponse.class, "results", res);
            setField(resp, Trans2FindFirst2Response.class, "sid", 42);

            SmbFile dest = mock(SmbFile.class);
            CIFSContext ctx = ctxWithIgnore(false);
            when(src.getContext()).thenReturn(ctx);

            // Force failure before any stream construction
            when(src.openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt())).thenThrow(new SmbException("boom"));

 */
package org.codelibs.fess.crawler.processor.impl;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.lang.SystemUtil;

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

import java.util.Locale;
import java.util.stream.Collectors;

import org.codelibs.fess.app.service.AccessTokenService;
import org.codelibs.fess.app.web.api.ApiResult.ApiErrorResponse;
import org.codelibs.fess.app.web.api.ApiResult.Status;