class HackageMetaAnalyzer extends AbstractMetaAnalyzer {
    private static final Logger LOGGER = Logger.getLogger(HackageMetaAnalyzer.class);
    private static final String DEFAULT_BASE_URL = "https://hackage.haskell.org/";

    HackageMetaAnalyzer() {
        this.baseUrl = DEFAULT_BASE_URL;
    }

    /**
     * {@inheritDoc}
     */
    public RepositoryType supportedRepositoryType() {
        return RepositoryType.HACKAGE;
    }

    /**
     * {@inheritDoc}
     */
    public boolean isApplicable(Component component) {
        final var purl = component.getPurl();
        return purl != null && "hackage".equals(purl.getType());
    }

    /**
     * {@inheritDoc}
     */
    public MetaModel analyze(final Component component) {<FILL_FUNCTION_BODY>}
}

        final var meta = new MetaModel(component);
        final var purl = component.getPurl();
        if (purl != null) {
            final var url = baseUrl + "/package/" + purl.getName() + "/preferred";
            try (final CloseableHttpResponse response = processHttpRequest(url)) {
                if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
                    final var entity = response.getEntity();
                    if (entity != null) {
                        String responseString = EntityUtils.toString(entity);
                        final var deserialized = new JSONObject(responseString);
                        final var preferred = deserialized.getJSONArray("normal-version");
                        // the latest version is the first in the list
                        if (preferred != null) {
                            final var latest = preferred.getString(0);
                            meta.setLatestVersion(latest);
                        }
                        // the hackage API doesn't expose the "published_at" information
                        // we could use https://flora.pm/experimental/packages/{namespace}/{packageName}
                        // but it appears this isn't reliable yet
                    }
                } else {
                    var statusLine = response.getStatusLine();
                    handleUnexpectedHttpResponse(LOGGER, url, statusLine.getStatusCode(), statusLine.getReasonPhrase(), component);
                }
            } catch (IOException ex) {
                handleRequestException(LOGGER, ex);
            } catch (Exception ex) {
                throw new MetaAnalyzerException(ex);
            }
        }
        return meta;
    
<methods>public non-sealed void <init>() ,public void setRepositoryBaseUrl(java.lang.String) ,public void setRepositoryUsernameAndPassword(java.lang.String, java.lang.String) <variables>protected java.lang.String baseUrl,protected java.lang.String password,protected java.lang.String username