private static void parseReplyTime(Topic.Builder topicBuilder, TextNode textNode) {
final String text = textNode.text();
final Matcher matcher = PATTERN_REPLY_TIME.matcher(text);
if (!matcher.find()) {
throw new FatalException("match reply time for topic failed: " + text);
}
final String time = matcher.group(1);
topicBuilder.setReplyTime(time);
}
