private int generateHTMLFile()

in freemarker-docgen-core/src/main/java/org/freemarker/docgen/core/Transform.java [2241:2329]
79 lines of code
17 McCabe index (conditional complexity)

    private int generateHTMLFile()
            throws IOException, TemplateException {
        SimpleHash dataModel = new SimpleHash(fmConfig.getObjectWrapper());

        TOCNode otherTOCNode;

        otherTOCNode = currentFileTOCNode;
        do {
            otherTOCNode = otherTOCNode.getPreviousInTraversarOrder();
        } while (!(otherTOCNode == null || otherTOCNode.isFileElement()));
        dataModel.put(
                VAR_PREVIOUS_FILE_ELEMENT,
                otherTOCNode != null ? otherTOCNode.getElement() : null);

        otherTOCNode = currentFileTOCNode;
        do {
            otherTOCNode = otherTOCNode.getNextInTraversarOrder();
        } while (!(otherTOCNode == null || otherTOCNode.isFileElement()));
        dataModel.put(
                VAR_NEXT_FILE_ELEMENT,
                otherTOCNode != null ? otherTOCNode.getElement() : null);

        otherTOCNode = currentFileTOCNode.getParent();
        dataModel.put(
                VAR_PARENT_FILE_ELEMENT,
                otherTOCNode != null ? otherTOCNode.getElement() : null);

        Element curElem = currentFileTOCNode.getElement();
        final boolean isTheDocumentElement
                = curElem.getParentNode() instanceof Document;
        dataModel.put(
                VAR_TOC_DISPLAY_DEPTH,
                isTheDocumentElement
                        ? maxTOFDisplayDepth : maxMainTOFDisplayDepth);

        if (seoMeta != null) {
            Map<String, String> seoMetaMap = seoMeta.get("file:" + currentFileTOCNode.getOutputFileName());
            if (seoMetaMap == null) {
                String id = XMLUtil.getAttribute(currentFileTOCNode.getElement(), "id");
                if (id != null) {
                    seoMetaMap = seoMeta.get(id);
                }
            }
            if (seoMetaMap != null) {
                dataModel.put(
                        VAR_SEO_META_TITLE_OVERRIDE,
                        seoMetaMap.get(SETTING_SEO_META_KEY_TITLE));
                dataModel.put(
                        VAR_SEO_META_FULL_TITLE_OVERRIDE,
                        seoMetaMap.get(SETTING_SEO_META_KEY_FULL_TITLE));
                dataModel.put(
                        VAR_SEO_META_DESCRIPTION,
                        seoMetaMap.get(SETTING_SEO_META_KEY_DESCRIPTION));
            }
        }

        boolean generateDetailedTOC = false;
        if (isTheDocumentElement) {
            // Find out if a detailed ToC will be useful:
            int mainTOFEntryCount = countTOFEntries(
                    currentFileTOCNode, maxMainTOFDisplayDepth);
            if (mainTOFEntryCount != 0  // means, not a single-page output
                    && mainTOFEntryCount < tocNodes.size() * 0.75) {
                generateDetailedTOC = true;
                dataModel.put(
                        VAR_ALTERNATIVE_TOC_LINK,
                        FILE_DETAILED_TOC_HTML);
                dataModel.put(
                        VAR_ALTERNATIVE_TOC_LABEL,
                        "show detailed");
            }
        }

        generateHTMLFile_inner(dataModel, currentFileTOCNode.getOutputFileName());

        if (generateDetailedTOC) {
            dataModel.put(VAR_PAGE_TYPE, PAGE_TYPE_DETAILED_TOC);
            dataModel.put(
                    VAR_ALTERNATIVE_TOC_LINK,
                    currentFileTOCNode.getOutputFileName());
            dataModel.put(
                    VAR_ALTERNATIVE_TOC_LABEL,
                    "show simplified");
            generateHTMLFile_inner(dataModel, FILE_DETAILED_TOC_HTML);
            return 2;
        } else {
            return 1;
        }
    }