for ( CharSequence element : elements ) {
            if ( sb.length() > 0 ) {
                if ( delimiter != null ) {
                    sb.append(delimiter);
                }
                else {
                    sb.append("null");
                }
            }
            sb.append(element);
        }
        return sb.toString();
    }

 */
public class FilenameExtractor extends AbstractExtractor {

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        final String content = params.getOrDefault(ExtractData.RESOURCE_NAME_KEY, StringUtil.EMPTY);
        try {
            return new ExtractData(content);

      queue[size] = null;
      return null;
    }
    E toTrickle = elementData(size);
    queue[size] = null;
    MoveDesc<E> changes = fillHole(index, toTrickle);
    if (lastElementAt < index) {
      // Last element is moved to before index, swapped with trickled element.
      if (changes == null) {
        // The trickled element is still after index.

1}),k===!1?(b.trigger("validation",!1),m.errorMsg=l,m.isValid=!1,m.shouldChangeDisplay=!0):null===k?m.shouldChangeDisplay=!1:(b.trigger("validation",!0),m.shouldChangeDisplay=!0),"function"==typeof d.onElementValidate&&null!==l&&d.onElementValidate(m.isValid,b,e,l),b.trigger("afterValidation",[m,f]),m},parseDate:function(b,c,d){var e,f,g,h,i=c.replace(/[a-zA-Z]/gi,"").substring(0,1),j="^",k=c.split(i||null);if(a.each(k,function(a,b){j+=(a>0?"\\"+i:"")+"(\\d{"+b.length+"})"}),j+="$",d){var l=[];a...

  static <T extends Throwable> T assertThrows(
      Class<T> expectedThrowable, ThrowingRunnable runnable) {
    return doAssertThrows(
        expectedThrowable,
        () -> {
          runnable.run();
          return null;
        },
        /* userPassedSupplier= */ false);
  }

  private static <T extends Throwable> T doAssertThrows(
      Class<T> expectedThrowable, ThrowingSupplier supplier, boolean userPassedSupplier) {

                && !ListenableFuture.class.getName().equals(name)) {
              synchronized (loadedClasses) {
                Class<?> toReturn = loadedClasses.get(name);
                if (toReturn == null) {
                  toReturn = super.findClass(name);
                  loadedClasses.put(name, toReturn);
                }
                return toReturn;
              }
            }

  static <T extends Throwable> T assertThrows(
      Class<T> expectedThrowable, ThrowingRunnable runnable) {
    return doAssertThrows(
        expectedThrowable,
        () -> {
          runnable.run();
          return null;
        },
        /* userPassedSupplier= */ false);
  }

  private static <T extends Throwable> T doAssertThrows(
      Class<T> expectedThrowable, ThrowingSupplier supplier, boolean userPassedSupplier) {

        String params = "";
        String server = (String) binding.getOption("server");
        if ( server != null ) {
            params += "&server=" + server;
        }
        String address = (String) binding.getOption("address");
        if ( address != null ) {
            params += "&address=" + address;
        }
        if ( params.length() > 0 ) {
            url += "?" + params.substring(1);

                && !ListenableFuture.class.getName().equals(name)) {
              synchronized (loadedClasses) {
                Class<?> toReturn = loadedClasses.get(name);
                if (toReturn == null) {
                  toReturn = super.findClass(name);
                  loadedClasses.put(name, toReturn);
                }
                return toReturn;
              }
            }

      }
      return 0;
    }

    @Override
    public int add(E element, int occurrences) {
      checkArgument(occurrences >= 0);
      Integer frequency = backingMap.get(element);
      if (frequency == null) {
        frequency = 0;
      }
      if (occurrences == 0) {
        return frequency;
      }
      checkArgument(occurrences <= Integer.MAX_VALUE - frequency);