JDK14LoggerAdapter.java 文件源码

private LogRecord eventToRecord(LoggingEvent event, Level julLevel) {
    String format = event.getMessage();
    Object[] arguments = event.getArgumentArray();
    FormattingTuple ft = MessageFormatter.arrayFormat(format, arguments);
    if (ft.getThrowable() != null && event.getThrowable() != null) {
        throw new IllegalArgumentException("both last element in argument array and last argument are of type Throwable");
    }

    Throwable t = event.getThrowable();
    if (ft.getThrowable() != null) {
        t = ft.getThrowable();
        throw new IllegalStateException("fix above code");
    }

    LogRecord record = new LogRecord(julLevel, ft.getMessage());
    record.setLoggerName(event.getLoggerName());
    record.setMillis(event.getTimeStamp());
    record.setSourceClassName(EventConstants.NA_SUBST);
    record.setSourceMethodName(EventConstants.NA_SUBST);

    record.setThrown(t);
    return record;
}