*/
    public static <E> Iterable<E> iterable(final Iterator<E>... iterators) {
        assertArgumentNotNull("iterators", iterators);

        return () -> new MultiIterator<>(iterators);
    }

    /**
     * Constructs an instance.
     *
     * @param iterators the array of {@link Iterator}s (must not be {@literal null})
     */
    public MultiIterator(final Iterator<E>... iterators) {

 * Provides methods to add, remove, check, and retrieve rules.
 *
 */
public class RuleManagerImpl implements RuleManager {

    /** The list of rules managed by this rule manager. */
    protected final List<Rule> ruleList = new ArrayList<>();

    /**
     * Creates a new RuleManagerImpl instance.
     */
    public RuleManagerImpl() {
        // Default constructor
    }

    /*
     * (non-Javadoc)

  }

  @Override
  public Set<N> adjacentNodes() {
    return Collections.unmodifiableSet(adjacentNodeValues.keySet());
  }

  @Override
  public Set<N> predecessors() {
    return adjacentNodes();
  }

  @Override
  public Set<N> successors() {
    return adjacentNodes();
  }

  @Override
  public Iterator<EndpointPair<N>> incidentEdgeIterator(N thisNode) {

 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *

import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.sai.internal.ir.debug.ObjectSizeCalculator;

import com.google.common.collect.Lists;

public class MemoryUtilTest extends UnitFessTestCase {

    public void test_byteCountToDisplaySize() {
        assertEquals("0bytes", MemoryUtil.byteCountToDisplaySize(0L));
        assertEquals("999bytes", MemoryUtil.byteCountToDisplaySize(999L));

/**
 * Tests for {@link Closer}.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class CloserTest extends TestCase {

  private TestSuppressor suppressor;

  @Override
  protected void setUp() throws Exception {
    suppressor = new TestSuppressor();
  }

  public void testNoExceptionsThrown() throws IOException {
    Closer closer = new Closer(suppressor);

    /** Constructor for use by subclasses. */
    public StandardDescendingSet() {
      super(ForwardingNavigableSet.this);
    }
  }

  @Override
  public Iterator<E> descendingIterator() {
    return delegate().descendingIterator();
  }

  @Override
  public NavigableSet<E> subSet(
      @ParametricNullness E fromElement,
      boolean fromInclusive,

 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *

 * </pre>
 *
 * @author shinsuke
 */
public class FtpClient extends AbstractCrawlerClient {

    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(FtpClient.class);

    /** Metadata key for FTP file group */
    public static final String FTP_FILE_GROUP = "ftpFileGroup";

    /** Metadata key for FTP file user */
    public static final String FTP_FILE_USER = "ftpFileUser";

 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *