.stream()
                        .map(s -> "doc." + s)
                        .forEach(s -> messages.addErrorsPropertyRequired(s, s)));
            }
            if (!fessConfig.validateIndexDateFields(doc)) {
                throwError.accept(messages -> fessConfig.invalidIndexDateFields(doc)
                        .stream()
                        .map(s -> "doc." + s)

        final String value = "<?xml version=\"1.0\"?>\n"//
                + "<doc>\n"//
                + "<field name=\"title\">タイトル</field>\n"//
                + "<field name=\"body\">第一章 第一節 ほげほげふがふが LINK 第2章 第2節</field>\n"//
                + "<field name=\"list\"><list><item>リスト1</item><item>リスト2</item><item>リスト3</item></list></field>\n"//
                + "</doc>";

    <example>${fe:formatCode("L", "prettyprint", doc.mimetype, doc.content_description)}</example>
  </function>

  <function>
    <description>Mask e-mail address.</description>
    <name>maskEmail</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String maskEmail(java.lang.String)</function-signature>
    <example>${fe:maskEmail(doc.content_description)}</example>
  </function>

                return;
            }
        }

        for (final String f : langFields) {
            final String lf = f + "_" + language;
            if (doc.containsKey(f) && !doc.containsKey(lf)) {
                doc.put(lf, doc.get(f));
                if (logger.isDebugEnabled()) {
                    logger.debug("add {} field", lf);
                }
            }
        }
    }

    /**

        validate(form, messages -> {}, () -> asHtml(virtualHost(path_Error_ErrorJsp)));
        if (isLoginRequired()) {
            return redirectToLogin();
        }

        Map<String, Object> doc = null;
        try {
            doc = searchHelper
                    .getDocumentByDocId(form.docId, new String[] { fessConfig.getIndexFieldUrl(), fessConfig.getIndexFieldConfigId() },
                            getUserBean())

    solr_data = json.load(f)

# Transform documents
fess_docs = []
for doc in solr_data['response']['docs']:
    fess_doc = {
        "url": doc.get("id", ""),
        "title": doc.get("title", [""])[0] if isinstance(doc.get("title"), list) else doc.get("title", ""),
        "content": doc.get("content", [""])[0] if isinstance(doc.get("content"), list) else doc.get("content", ""),
        "mimetype": "text/html",
        "filetype": "html",

            final PDDocument doc = document;
            final Set<Exception> exceptionSet = new HashSet<>();
            final Thread task = new Thread(() -> {
                try {
                    stripper.writeText(doc, writer);
                    extractEmbeddedDocuments(doc, writer);
                    extractAnnotations(doc, writer);
                } catch (final Exception e) {

        }
    }

    /**
     * Adds click count information to the document.
     *
     * @param doc the document to update
     * @param url the URL to get click count for
     * @param clickCountField the field name to store click count
     */
    protected void addClickCountField(final Map<String, Object> doc, final String url, final String clickCountField) {

        if (isLoginRequired()) {
            return redirectToLogin();
        }

        final Map<String, Object> doc =
                searchHelper.getDocumentByDocId(form.docId, queryFieldConfig.getResponseFields(), getUserBean()).orElse(null);
        final String url = DocumentUtil.getValue(doc, fessConfig.getIndexFieldThumbnail(), String.class);
        if (StringUtil.isBlank(form.queryId) || StringUtil.isBlank(url) || !thumbnailSupport) {

    # o documentOutputDirectory: (NotRequired - Default './output/doc')
    #  The output directory mainly for SchemaHtml and DataXlsTemplate.
    #  Basically you don't need this.
    #  It is considered of value that it always exists at same plain.
    #
    #; documentOutputDirectory = ./output/doc
    # - - - - - - - - - -/

    # /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -