protected LogResults filterLogResults()

in hawtio-log/src/main/java/io/hawt/log/log4j/Log4jLogQuery.java [193:232]

• 39 lines of code
• 12 McCabe index (conditional complexity)

    protected LogResults filterLogResults(Predicate<LogEvent> predicate, int maxCount) {
        int matched = 0;
        long from = Long.MAX_VALUE;
        long to = Long.MIN_VALUE;
        List<LogEvent> list = new ArrayList<LogEvent>();
        Iterable<LoggingEvent> elements = getEvents().getElements();
        for (LoggingEvent element : elements) {
            LogEvent logEvent = toLogEvent(element);
            long timestamp = element.getTimeStamp();
            if (timestamp > to) {
                to = timestamp;
            }
            if (timestamp < from) {
                from = timestamp;
            }
            if (logEvent != null) {
                if (predicate == null || predicate.matches(logEvent)) {
                    list.add(logEvent);
                    matched += 1;
                    if (maxCount > 0 && matched >= maxCount) {
                        break;
                    }
                }
            }
        }
        LogResults results = new LogResults();
        results.setEvents(list);
        if (from < Long.MAX_VALUE) {
            results.setFromTimestamp(from);
        }
        if (to > Long.MIN_VALUE) {
            results.setToTimestamp(to);
        }
        if (LOG.isDebugEnabled()) {
            LOG.debug("Requested " + maxCount + " logging items. returning "
                    + results.getEvents().size() + " event(s) from a possible " + getEvents().size());

        }
        return results;
    }