import org.asciidoctor.extension.Postprocessor;

import java.util.Map;

/**
 * Injects static assets for docs
 */
public class HeaderInjectingPostprocessor extends Postprocessor {
    private final String headerHtml;

    HeaderInjectingPostprocessor(Map<String, Object> config, String headerHtml) {
        super(config);
        this.headerHtml = headerHtml;
    }

    /**

        JavaExtensionRegistry registry = asciidoctor.javaExtensionRegistry();

        registry.docinfoProcessor(new NavigationDocinfoProcessor(new HashMap<>(), headHtml));

        registry.postprocessor(new HeaderInjectingPostprocessor(new HashMap<>(), headerHtml));

        Map<String, Object> footerOptions = new HashMap<>();
        footerOptions.put("location", ":footer");