try {
            final EncodingHelper encodingHelper = crawlerContainer.getComponent("encodingHelper");
            return encodingHelper.normalize(encoding);
        } catch (final Exception e) {
            // NOP
        }
        return encoding;
    }

    /**
     * Parses the charset from the content string.
     *
     * @param content the content to parse

    /** Whether to redirect standard output to a file. */
    protected boolean standardOutput = false;

    /**
     * Constructs a new CommandExtractor.
     */
    public CommandExtractor() {
        // NOP
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.extractor.Extractor#getText(java.io.InputStream,
     * java.util.Map)
     */
    @Override

                            logger.warn(new String(bs, outputEncoding));
                        }
                    }
                } catch (final Exception e) {
                    // NOP
                }
            }
        } catch (final Exception e) {
            throw new ExtractException("Could not extract a content.", e);
        } finally {
            FileUtil.deleteInBackground(tempFile);

    /** List of request headers */
    private final List<Header> requestHeaderList = new ArrayList<>();

    /**
     * Constructs a new ApiExtractor.
     */
    public ApiExtractor() {
        // NOP
    }

    /**
     * Initializes the API extractor, setting up the HTTP client and configuration.
     * This method is called after construction to initialize the HTTP client with

 *
 * @author shinsuke
 *
 */
public abstract class AbstractCrawlerService {
    /**
     * Creates a new instance of AbstractCrawlerService.
     */
    public AbstractCrawlerService() {
        // NOP
    }

    private static final Logger logger = LogManager.getLogger(AbstractCrawlerService.class);

    private static final String ID_SEPARATOR = ".";

    }

    public void test_getTika_null() {
        try {
            tikaExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP
        }
    }

    private Map<String, String> createParams(String url, String resoureName) {
        Map<String, String> params = new HashMap<>();
        params.put(ExtractData.URL, url);