## その他のミドルウェア

他のミドルウェアの詳細については、[高度なユーザーガイド: 高度なミドルウェア](../advanced/middleware.md){.internal-link target=_blank}を参照してください。

 */
class WebPlatformUrlTestData {
  var input: String? = null
  var base: String? = null
  var scheme = ""
  var username = ""
  var password: String? = null
  var host = ""
  var port = ""
  var path = ""
  var query = ""
  var fragment = ""

  fun expectParseFailure() = scheme.isEmpty()

  private operator fun set(
    name: String,
    value: String,
  ) {
    when (name) {
      "s" -> scheme = value

    return UnknownLengthSource(url)
  }

  /**
   * Sets the delegate of `timeout` to [Timeout.NONE] and resets its underlying timeout
   * to the default configuration. Use this to avoid unexpected sharing of timeouts between pooled
   * connections.
   */
  private fun detachTimeout(timeout: ForwardingTimeout) {
    val oldDelegate = timeout.delegate
    timeout.setDelegate(Timeout.NONE)

   * and returns {@code null} if non-ASCII digits are present in the string.
   *
   * <p>Note that strings prefixed with ASCII {@code '+'} are rejected, even though {@link
   * Integer#parseInt(String)} accepts them.
   *
   * @param string the string representation of an integer value
   * @param radix the radix to use when parsing

  - データが無効な場合に自動でエラーをクリアします。
  - 深い入れ子になった JSON オブジェクトでも検証が可能です。
- 入力データの<abbr title="also known as: serialization, parsing, marshalling">変換</abbr>: ネットワークから Python のデータや型に変換してから読み取ります:
  - JSON.
  - パスパラメータ
  - クエリパラメータ
  - クッキー
  - ヘッダー
  - フォーム
  - ファイル
- 出力データの<abbr title="also known as: serialization, parsing, marshalling">変換</abbr>: Python のデータや型からネットワークデータへ変換します (JSON として):

            ByteArrayOutputStream errContent = new ByteArrayOutputStream();
            System.setErr(new PrintStream(errContent));

            String[] args = { "--help" };
            // Note: main calls System.exit, so we can't test it directly
            // Instead, we test the parsing logic separately

            System.setErr(originalErr);
        } catch (Exception e) {
            System.setErr(originalErr);
        }

 * passed to a {@link ChildUrlsException} to be processed by the crawler.
 * </p>
 *
 * <p>
 * The class also handles potential {@link IOException}s that may occur during
 * the parsing of the response body.
 * </p>
 */
public class SitemapsResponseProcessor implements ResponseProcessor {
    /** The crawler container for component lookup. */
    @Resource
    protected CrawlerContainer crawlerContainer;

/** Returns true if this string is not a host name and might be an IP address. */
fun String.canParseAsIpAddress(): Boolean = VERIFY_AS_IP_ADDRESS.matches(this)

/**
 * Returns true if the length is not valid for DNS (empty or greater than 253 characters), or if any
 * label is longer than 63 characters. Trailing dots are okay.
 */
internal fun String.containsInvalidLabelLengths(): Boolean {

    }

    private static String unQuoteUnEscape(final String original) {
        String result = original;

        // Unquote
        if (result.indexOf('\"') >= 0) {
            final Matcher m = QUOTE_REPLACE_PATTERN.matcher(original);
            if (m.matches()) {
                result = m.group(1);
            }

            // Unescape
            if (result.indexOf(ESCAPED_QUOTE) >= 0) {

    /**
     * Simply parse the given xml string.
     *
     * @param xml the input xml string
     * @return the parsed object
     * @throws XmlReaderException if an error occurs during the parsing
     * @see #toXmlString(Object)
     */
    @Nonnull
    default T fromXmlString(@Nonnull String xml) throws XmlReaderException {
        return read(new StringReader(xml));
    }