}

    protected String getResultDataBody(final String name, final String value) {
        // TODO support other type
        // TODO trim(default)
        return "<field name=\"" + XmlUtil.escapeXml(name) + "\">" + trimSpace(XmlUtil.escapeXml(value != null ? value : "")) + "</field>\n";
    }

    protected String getResultDataBody(final String name, final List<String> values) {
        final StringBuilder buf = new StringBuilder();

/**
 * @author shinsuke
 *
 */
public final class XmlUtil {

    private static final Logger logger = LoggerFactory.getLogger(XmlUtil.class);

    private XmlUtil() {
    }

    public static String escapeXml(final String value) {
        return stripInvalidXMLCharacters(//
                value//
                        .replace("&", "&") //
                        .replace("<", "&lt;")//

			case '\n':
				dst.WriteByte('n')
			case '\r':
				dst.WriteByte('r')
			case '\t':
				dst.WriteByte('t')
			default:
				// This encodes bytes < 0x20 except for \t, \n and \r.
				// If escapeHTML is set, it also escapes <, >, and &
				// because they can lead to security holes when
				// user-controlled strings are rendered into JSON
				// and served to some browsers.
				dst.WriteString(`u00`)