* 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;

import org.codelibs.fess.helper.CrawlingConfigHelper;
import org.codelibs.fess.helper.CrawlingInfoHelper;
import org.codelibs.fess.helper.DocumentHelper;
import org.codelibs.fess.helper.FileTypeHelper;
import org.codelibs.fess.helper.LabelTypeHelper;
import org.codelibs.fess.helper.PathMappingHelper;
import org.codelibs.fess.helper.PermissionHelper;
import org.codelibs.fess.helper.SystemHelper;

 */
package org.codelibs.fess.helper;

import java.security.SecureRandom;
import java.util.Random;

import org.apache.commons.lang3.RandomStringUtils;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.exception.InvalidAccessTokenException;
import org.codelibs.fess.util.ComponentUtil;

import jakarta.servlet.http.HttpServletRequest;

/**
 * The helper for access token.
 */

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.LabelTypeHelper;
import org.codelibs.fess.helper.PopularWordHelper;
import org.codelibs.fess.helper.RelatedContentHelper;
import org.codelibs.fess.helper.RelatedQueryHelper;
import org.codelibs.fess.helper.RoleQueryHelper;
import org.codelibs.fess.helper.SearchHelper;
import org.codelibs.fess.helper.SuggestHelper;
import org.codelibs.fess.helper.SystemHelper;

  private static final AtomicHelper ATOMIC_HELPER;

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

    helper = VarHandleAtomicHelperMaker.INSTANCE.tryMakeVarHandleAtomicHelper();
    if (helper == null) {
      try {
        helper = new UnsafeAtomicHelper();

 * 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.