import org.codelibs.fess.crawler.exception.MultipleCrawlingAccessException;
import org.codelibs.fess.crawler.helper.impl.LogHelperImpl;
import org.codelibs.fess.crawler.log.LogType;
import org.codelibs.fess.exception.ContainerNotAvailableException;
import org.codelibs.fess.helper.CrawlerStatsHelper.StatsAction;
import org.codelibs.fess.opensearch.config.exentity.CrawlingConfig;

import org.codelibs.fess.app.service.KeyMatchService;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.base.FessAdminAction;
import org.codelibs.fess.helper.KeyMatchHelper;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.opensearch.config.exentity.KeyMatch;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.RenderDataUtil;

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.helper;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.BiFunction;
import java.util.regex.Matcher;

   */

  private static final AtomicHelper ATOMIC_HELPER;

  static {
    AtomicHelper helper;
    Throwable thrownUnsafeFailure = null;
    Throwable thrownAtomicReferenceFieldUpdaterFailure = null;

    if (mightBeAndroid()) {
      try {
        helper = new UnsafeAtomicHelper();
      } catch (Exception | Error unsafeFailure) { // sneaky checked exception

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.entity.PingResponse;
import org.codelibs.fess.helper.NotificationHelper;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.mylasta.mail.EsStatusPostcard;
import org.codelibs.fess.opensearch.client.SearchEngineClient;

    /**
     * Default constructor for ProtocolHelper.
     * Initializes the helper with empty protocol arrays that will be populated during init().
     */
    public ProtocolHelper() {
        // Default constructor
    }

    /**
     * Initializes the protocol helper by loading configured protocols from FessConfig
     * and scanning for available protocol handlers in the classpath.

import java.util.concurrent.atomic.AtomicInteger;

import org.codelibs.fess.Constants;
import org.codelibs.fess.exception.JobProcessingException;
import org.codelibs.fess.helper.KeyMatchHelper;
import org.codelibs.fess.helper.ProcessHelper;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.thumbnail.ThumbnailManager;
import org.codelibs.fess.mylasta.direction.FessConfig;

import java.util.concurrent.atomic.AtomicInteger;

import org.codelibs.core.misc.DynamicProperties;
import org.codelibs.fess.Constants;
import org.codelibs.fess.exception.ContainerNotAvailableException;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.client.SearchEngineClient;
import org.codelibs.fess.thumbnail.ThumbnailManager;

import org.codelibs.fess.helper.CrawlingInfoHelper;
import org.codelibs.fess.helper.DataIndexHelper;
import org.codelibs.fess.helper.DuplicateHostHelper;
import org.codelibs.fess.helper.NotificationHelper;
import org.codelibs.fess.helper.PathMappingHelper;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.helper.WebFsIndexHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.helper;

import org.codelibs.core.concurrent.CommonPoolUtil;
import org.codelibs.core.lang.ThreadUtil;

/**
 * The abstract helper for configuration.
 *
 * This class provides a basic framework for managing configurations that can be reloaded.