}
        }
    }

    private void sendKeepAlive(ChannelInfo channel) throws IOException {
        // Send echo request as keep-alive
        // This would need to be implemented with actual echo request/response
        log.debug("Sending keep-alive for channel {}", channel.getChannelId());
        channel.updateActivity();
    }

    private void discoverInterfaces() {
        if (!multiChannelEnabled)

import org.codelibs.fess.crawler.entity.ResponseData;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class RegexRuleTest extends PlainTestCase {

    public void test_match_default() {
        final RegexRule regexRule = new RegexRule();
        regexRule.defaultRule = true;
        regexRule.allRequired = true;
        regexRule.addRule("url", Pattern.compile("http:.*"));

     */
    @Override
    public void addIncludeUrlFilter(final String sessionId, final String url) {
        dataHelper.addIncludeUrlPattern(sessionId, url);
    }

    /*
     * (non-Javadoc)
     *
     * @see
     * org.codelibs.fess.crawler.service.impl.UrlFilterService#addIncludeUrlFilter(java
     * .lang.String, java.util.List)
     */
    @Override

  }

  @Override
  protected void setUp() throws Exception {
    sink = factory.createSink();
  }

  public void testOpenStream() throws IOException {
    OutputStream out = sink.openStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();
    }

    assertContainsExpectedBytes();
  }

  public void testOpenBufferedStream() throws IOException {

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testElementSetReflectsAddAbsent() {
    Set<E> elementSet = getMultiset().elementSet();
    assertFalse(elementSet.contains(e3()));
    getMultiset().add(e3(), 4);
    assertTrue(elementSet.contains(e3()));
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testElementSetReflectsRemove() {

  }

  /**
   * @since 11.0
   */
  @Override
  public void put(K key, V value) {
    delegate().put(key, value);
  }

  /**
   * @since 12.0
   */
  @Override
  public void putAll(Map<? extends K, ? extends V> m) {
    delegate().putAll(m);
  }

  @Override
  public void invalidate(Object key) {
    delegate().invalidate(key);
  }

  /**
   * @since 11.0
   */

  }

  @Override
  protected void setUp() throws Exception {
    sink = factory.createSink();
  }

  public void testOpenStream() throws IOException {
    OutputStream out = sink.openStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();
    }

    assertContainsExpectedBytes();
  }

  public void testOpenBufferedStream() throws IOException {

class FileSourceTest {

    @Test
    void testFileSource() {
        NullPointerException e = assertThrows(
                NullPointerException.class,
                () -> new FileSource((File) null),
                "Should fail, since you must specify a file");
        assertEquals("file cannot be null", e.getMessage());
    }

    @Test
    void testGetInputStream() throws Exception {

@NullUnmarked
public class StandardSystemPropertyTest extends TestCase {

  public void testGetKeyMatchesString() {
    for (StandardSystemProperty property : StandardSystemProperty.values()) {
      String fieldName = property.name();
      String expected = Ascii.toLowerCase(fieldName).replaceAll("_", ".");
      assertEquals(expected, property.key());
    }
  }

  public void testGetValue() {

    public Pattern getXmlEncodingPattern() {
        return xmlEncodingPattern;
    }

    /**
     * Sets the XML encoding pattern.
     * @param metaCharsetPattern The XML encoding pattern.
     */
    public void setXmlEncodingPattern(final Pattern metaCharsetPattern) {
        xmlEncodingPattern = metaCharsetPattern;
    }

    /**
     * Returns the XML tag pattern.
     * @return The XML tag pattern.
     */