ThreadLocalLogLevelManager.java 文件源码

@Override
public Logger getLogger(String name, LoggerFactory factory) {
    Logger existingLogger = parentLoggerRepository_.exists(name);
    if (existingLogger != null) {
        // Returning the original logger here - note that this will prevent certain loggers from being
        // taken under ThreadLocalAwareLogger's control - hence any logger created before
        // ThreadLocalLogLevelManager.install() will not be redirected!
        return existingLogger;
    } else {
        return super.getLogger(name, loggerFactory_);
    }
}