RingBufferAppender.java 文件源码

@SuppressWarnings("unchecked")
public static Collection<String> getLoggingMessages(LoggerRepository repo) {
    Set<RingBufferAppender> appenders = new HashSet<RingBufferAppender>();
    for (Object o : CollectionUtil.iterable(repo.getCurrentLoggers())) {
        Logger logger = (Logger)o;
        RingBufferAppender rba = getRingBufferAppender(logger);
        if (rba != null) {
             if (LOG.isDebugEnabled())
                LOG.debug(logger.getName() + " => " + rba + " / " + rba.getLayout());
            appenders.add(rba);
        }
    } // FOR
    if (appenders.isEmpty()) return (Collections.emptyList());
    return (getLoggingMessages(appenders.toArray(new RingBufferAppender[0]))); 
}