f.setAccessible(true);
            return f.get(target);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    // Helper: find field in class hierarchy
    private static Field findField(Class<?> clazz, String name) throws NoSuchFieldException {
        Class<?> current = clazz;
        while (current != null) {
            try {

import org.codelibs.curl.CurlResponse;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.web.base.FessAdminAction;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.config.exbhv.FileConfigBhv;
import org.codelibs.fess.opensearch.config.exbhv.LabelTypeBhv;

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

// Package cmd This file implements helper functions to validate AWS
// Signature Version '4' authorization header.
//
// This package provides comprehensive helpers for following signature
// types.
// - Based on Authorization header.

import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.exception.ChildUrlsException;
import org.codelibs.fess.crawler.exception.CrawlingAccessException;
import org.codelibs.fess.crawler.helper.impl.MimeTypeHelperImpl;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class FtpClientTest extends PlainTestCase {
    private static final int FTP_PORT = 10021;

                channelExecutor.shutdownNow();
            }
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    }

    // Private helper methods

    private int getMaxChannelsFromConfig(Configuration config) {
        // In a real implementation, this would read from configuration
        return 4; // Default to 4 channels
    }

        digest.update(data, 2, 4); // Only update with bytes at index 2-5
        byte[] result = digest.digest();

        assertNotNull(result);
        assertTrue(result.length > 0);
    }

    // Helper method to setup transport mocks
    private void setupTransportMocks(int lmCompatibility) throws Exception {
        byte[] serverEncryptionKey = new byte[8];
        byte[] unicodeHash = new byte[24];

 * 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.io.File;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;

import org.codelibs.core.io.FileUtil;
import org.codelibs.core.misc.DynamicProperties;

  final Monitor monitor;

  /** Guard for waiting takes */
  private final Monitor.Guard notEmpty;

  /** Guard for waiting puts */
  private final Monitor.Guard notFull;

  // Internal helper methods

  /** Circularly increment i. */
  final int inc(int i) {
    return (++i == items.length) ? 0 : i;
  }

  /**
   * Inserts element at current put position, advances, and signals. Call only when occupying

            return entity;
        });
    }

    // ===================================================================================
    //                                                                        Small Helper
    //                                                                        ============
    /**
     * Verify the CRUD mode.
     * @param crudMode The CRUD mode.
     * @param expectedMode The expected mode.

            response.setHeader("Content-Type", "application/json");
            response.getWriter().write("Complex response");
            chain.doFilter(request, response);
        }
    }

    // Test helper classes

    private static class TestFilterChain implements FilterChain {
        private boolean doFilterCalled = false;

        @Override