protected boolean isLevelEnabled(int logLevel) {
        // log level are numerically ordered so can use simple numeric
        // comparison
        return (logLevel >= currentLogLevel);
    }
Is the given log level currently enabled?

@param logLevel is this level enabled?
@return whether the logger is enabled for the given level
slf4j-simple/src/main/java/org/slf4j/simple/SimpleLogger.java