FilterDefinitionParser.java 文件源码

@MethodParser("countdown")
public Filter parseCountdownFilter(Element el) throws InvalidXMLException {
    final Duration duration = XMLUtils.parseDuration(el, "duration").required();
    if(Comparables.greaterThan(duration, Duration.ZERO)) {
        return new MonostableFilter(duration,
                                    filterParser.parseReferenceOrChild(el),
                                    messageTemplates.property(el, "message")
                                                    .placeholders(Range.closed(0, 1))
                                                    .optional());
    } else {
        return new StaticFilter(Filter.QueryResponse.DENY);
    }
}