// Wait for completion
crawler.awaitTermination();
System.out.println("Crawling completed");
```

### Custom Content Extractor

```java
public class CustomExtractor extends AbstractExtractor {
    @Override
    public ExtractData getText(final InputStream inputStream, final Map<String, String> params) {
        // Custom extraction logic
        ExtractData extractData = new ExtractData();
        // ... implementation

   * including the floating point values. See the note on {@link #equals} for details.
   */
  @Override
  public int hashCode() {
    return Objects.hash(count, mean, sumOfSquaresOfDeltas, min, max);
  }

  @Override
  public String toString() {
    if (count() > 0) {
      return MoreObjects.toStringHelper(this)
          .add("count", count)

        maskCursor.seek(0L)
        toggleMask(maskCursor, maskKey)
        maskCursor.close()
      }
    }

    sinkBuffer.write(messageBuffer, dataSize)
    sink.flush()
  }

  override fun close() {
    messageDeflater?.closeQuietly()
    sink.closeQuietly()
  }

import org.codelibs.fess.helper.UserAgentHelper.UserAgentType;
import org.codelibs.fess.unit.UnitFessTestCase;

public class UserAgentHelperTest extends UnitFessTestCase {

    public UserAgentHelper userAgentHelper;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        userAgentHelper = new UserAgentHelper();
    }

    public void test_getUserAgentType_IE9() {

  private static final DenseImmutableTable<Character, Integer, String> DENSE =
      new DenseImmutableTable<>(CELLS.asList(), ROW_SPACE, COLUMN_SPACE);

  @Override
  Iterable<ImmutableTable<Character, Integer, String>> getTestInstances() {
    return ImmutableList.<ImmutableTable<Character, Integer, String>>of(SPARSE, DENSE);
  }

  public void testCellSet() {

    return suite;
  }

  @AndroidIncompatible // test-suite builders
  private static TestEnumMultisetGenerator enumMultisetGenerator() {
    return new TestEnumMultisetGenerator() {
      @Override
      protected Multiset<AnEnum> create(AnEnum[] elements) {
        return (elements.length == 0)
            ? EnumMultiset.create(AnEnum.class)
            : EnumMultiset.create(asList(elements));
      }
    };

     *
     * @return A new SearchResultBuilder instance
     */
    public static SearchResultBuilder create() {
        return new SearchResultBuilder();
    }

    @Override
    public String toString() {
        return "SearchResult [documentList=" + documentList + ", allRecordCount=" + allRecordCount + ", allRecordCountRelation="

     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        load();
    }

    @Override
    public int load() {
        final List<String> ptList = getProcessTypeList();

        try {
            final PathMappingBhv pathMappingBhv = ComponentUtil.getComponent(PathMappingBhv.class);

 *
 * [rfc_2818]: http://www.ietf.org/rfc/rfc2818.txt
 */
@Suppress("NAME_SHADOWING")
object OkHostnameVerifier : HostnameVerifier {
  private const val ALT_DNS_NAME = 2
  private const val ALT_IPA_NAME = 7

  override fun verify(
    host: String,
    session: SSLSession,
  ): Boolean =
    if (!host.isAscii()) {
      false
    } else {
      try {
        verify(host, session.peerCertificates[0] as X509Certificate)

  private Entry<K, V> nullKeyEntry;
  private Entry<K, V> nullValueEntry;
  private Entry<K, V> nullKeyValueEntry;
  private Entry<K, V> presentKeyNullValueEntry;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    nullKeyEntry = entry(null, v3());
    nullValueEntry = entry(k3(), null);
    nullKeyValueEntry = entry(null, null);