import org.tautua.markdownpapers.Markdown; //导入依赖的package包/类
/**
 * Converts the specified markdown text to HTML.
 *
 * @param markdownText the specified markdown text
 * @return converted HTML, returns {@code ""} if the specified markdown text is "" or {@code null}, returns
 * 'markdownErrorLabel' if exception
 */
public static String toHTML(final String markdownText) {
    if (Strings.isEmptyOrNull(markdownText)) {
        return "";
    }

    final StringWriter writer = new StringWriter();
    final Markdown markdown = new Markdown();

    try {
        markdown.transform(new StringReader(markdownText), writer);
    } catch (final ParseException e) {
        // LOGGER.log(Level.WARN, "Markdown error[text={0}]", markdownText);
        return markdownText;
    }

    return writer.toString();
}
 

import org.tautua.markdownpapers.Markdown; //导入依赖的package包/类
@Gson.Ignore
@Value.Derived
public String markdown() {
    Reader in = new StringReader(message());
    Writer out = new StringWriter();

    Markdown md = new Markdown();
    try {
        md.transform(in, out);
        return out.toString();
    } catch(ParseException e) {
        return message();
    }
}