OpenraspDailyRollingFileAppender.java 文件源码

/**
 * This method differentiates OpenraspDailyRollingFileAppender from its
 * super class.
 *
 * <p>Before actually logging, this method will check whether it is
 * time to do a rollover. If it is, it will schedule the next
 * rollover time and then rollover.
 * */
protected void subAppend(LoggingEvent event) {
    long n = System.currentTimeMillis();
    if (n >= nextCheck) {
        now.setTime(n);
        nextCheck = rc.getNextCheckMillis(now);
        try {
            rollOver();
        }
        catch(IOException ioe) {
            if (ioe instanceof InterruptedIOException) {
                Thread.currentThread().interrupt();
            }
            LogLog.error("rollOver() failed.", ioe);
        }
    }
    super.subAppend(event);
}