default boolean isHtmlMimetypeForCache(final String mimetype) {
        final String[] mimetypes = getCrawlerDocumentCacheHtmlMimetypes().split(",");
        if (mimetypes.length == 1 && StringUtil.isBlank(mimetypes[0])) {
            return true;
        }
        return stream(mimetypes).get(stream -> stream.anyMatch(s -> s.equalsIgnoreCase(mimetype)));
    }

    String getCrawlerDocumentCacheSupportedMimetypes();

    /** The key of the configuration. e.g. text/html */
    String CRAWLER_DOCUMENT_CACHE_HTML_MIMETYPES = "crawler.document.cache.html.mimetypes";

    /** The key of the configuration. e.g.  */
    String CRAWLER_DOCUMENT_MIMETYPE_EXTENSION_OVERRIDES = "crawler.document.mimetype.extension.overrides";

    /** The key of the configuration. e.g. true */

            }

            Object mimeType = docMap.get("mimetype");
            if (mimeType == null) {
                return false;
            }

            String mimeTypeStr = mimeType.toString();
            // Support PDF and common image formats
            return "application/pdf".equals(mimeTypeStr) || "image/jpeg".equals(mimeTypeStr) || "image/png".equals(mimeTypeStr);
        }

        @Override

Shinsuke Sugaya <******@****.***> 1769245593 +0900

        final String mimeType;
        if (response instanceof HtmlResponse) {
            mimeType = "text/html";
        } else if (response instanceof JsonResponse) {
            mimeType = "application/json";
        } else if (response instanceof XmlResponse) {
            mimeType = "text/xml";
        } else if (response instanceof StreamResponse) {
            mimeType = "application/octet-stream";

     * @param mimeType The MIME type of the content.
     * @return The file extension including the dot (e.g., ".gif"), or empty string if unknown.
     */
    protected String getExtensionFromMimeType(final String mimeType) {
        if (mimeType == null) {
            return "";
        }
        return switch (mimeType) {
        case "image/gif" -> ".gif";

            // When same key is added multiple times, patterns are combined with |
            generator.addCondition("mimetype", "image/jpeg");
            generator.addCondition("mimetype", "image/png");
            generator.addCondition("mimetype", "image/svg" + "\\" + "+xml");

            // Test: All configured MIME types should match
            Map<String, Object> jpegDocMap = new HashMap<>();

        final String mimeType = responseData.getMimeType();
        if (logger.isDebugEnabled()) {
            logger.debug("mimeType: {}", mimeType);
        }
        if (mimeType == null) {
            response.contentTypeOctetStream();
            return;
        }
        if (mimeType.startsWith("text/")) {
            final String charset = responseData.getCharSet();

    /**
     * Get file type icon based on URL or mimetype
     */
    function getFileTypeIcon(url, mimetype) {
        if (mimetype) {
            if (mimetype.indexOf('pdf') !== -1) return 'fa-file-pdf-o';
            if (mimetype.indexOf('word') !== -1 || mimetype.indexOf('document') !== -1) return 'fa-file-word-o';
            if (mimetype.indexOf('excel') !== -1 || mimetype.indexOf('spreadsheet') !== -1) return 'fa-file-excel-o';

		</property>
		<property name="allRequired">true</property>
		<postConstruct name="addRule">
			<arg>"url"</arg>
			<arg>"http[s]?:.*"</arg>
		</postConstruct>
		<postConstruct name="addRule">
			<arg>"mimeType"</arg>
			<!-- Supported MIME type -->
			<arg>"text/html"</arg>
		</postConstruct>
	</component>

	<component name="webFileRule" class="org.codelibs.fess.crawler.rule.impl.RegexRule" >