StandardCrawlerContainer container = new StandardCrawlerContainer().singleton("htmlExtractor", HtmlExtractor.class);
        htmlExtractor = container.getComponent("htmlExtractor");
        htmlExtractor.addMetadata("title", "//TITLE");
    }

    public void test_getHtml_utf8() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/test_utf8.html");

        } else {
            metadata = new SnapshotArtifactRepositoryMetadata(artifact);
        }

        repositoryMetadataManager.resolve(metadata, request);

        artifact.addMetadata(metadata);

        Metadata repoMetadata = metadata.getMetadata();
        String version = null;
        if (repoMetadata != null && repoMetadata.getVersioning() != null) {

            addMetadata(extractData, key, value);
        }
    }

    /**
     * Adds metadata to the extraction data if the value is not null.
     * @param extractData the extraction data
     * @param name the metadata name
     * @param value the metadata value
     */
    protected void addMetadata(final ExtractData extractData, final String name, final String value) {

        sb.append(getType());
        if (hasClassifier()) {
            sb.append(':');
            sb.append(getClassifier());
        }
    }

    @Override
    public void addMetadata(ArtifactMetadata metadata) {
        if (metadataMap == null) {
            metadataMap = new HashMap<>();
        }

        ArtifactMetadata m = metadataMap.get(metadata.getKey());
        if (m != null) {

            responseData.setMimeType(statObject.contentType());
            statObject.headers().forEach(e -> responseData.addMetaData(e.getFirst(), e.getSecond()));

            if (contentLengthHelper != null) {
                final long maxLength = contentLengthHelper.getMaxLength(responseData.getMimeType());

     *
     * @param name the name of the metadata field
     * @param xpath the XPath expression to extract the metadata value
     */
    public void addMetadata(final String name, final String xpath) {
        metadataXpathMap.put(name, xpath);
    }

    /*
     * (non-Javadoc)
     *
     * @see

    }

    /**
     * Adds metadata to this response.
     *
     * @param name the name of the metadata
     * @param value the value of the metadata
     */
    public void addMetaData(final String name, final Object value) {
        metaDataMap.put(name, value);
    }

    /**
     * Gets the metadata map containing all metadata associated with this response.
     *

                return false;
            };
        };

        final ResponseData responseData = new ResponseData();
        responseData.setUrl("http://example.com/");
        responseData.addMetaData("X-Robots-Tag", "noindex,nofollow");

        try {
            transformer.processXRobotsTag(responseData, new ResultData());
            fail();
        } catch (ChildUrlsException e) {

            checkMaxContentLength(responseData);

            if (file.getUser() != null) {
                responseData.addMetaData(FTP_FILE_USER, file.getUser());
            }
            if (file.getGroup() != null) {
                responseData.addMetaData(FTP_FILE_GROUP, file.getGroup());
            }

            if (includeContent) {
                File tempFile = null;

            buf.append(' ').append(fileName);
        }
        final String bodyBase = buf.toString().trim();
        responseData.addMetaData(Extractor.class.getSimpleName(), extractor);
        final String body = documentHelper.getContent(crawlingConfig, responseData, bodyBase, dataMap);
        putResultDataBody(dataMap, fessConfig.getIndexFieldContent(), body);