Marker

# 样例

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="DEBUG" monitorInterval="30">
    <Appenders>
        <Console name="my_console_appender" target="SYSTEM_OUT">
            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
            <MarkerFilter marker="ADMIN" onMatch="ACCEPT" onMismatch="DENY" /></Console>
    </Appenders>
    <Loggers>
        <Root level="trace">
            <AppenderRef ref="my_console_appender" />
        </Root>
    </Loggers>
</Configuration>

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.Marker;
import org.apache.logging.log4j.MarkerManager;

public class HelloWorld {
    private static final Logger logger = LogManager.getLogger();
    private static final Marker ADMIN_USER = MarkerManager.getMarker("ADMIN");
    private static final Marker GENERAL_USER = MarkerManager
            .getMarker("GENERAL");

    public static void adminActions() {
        logger.info(ADMIN_USER, "Admin actions are triggered");
    }

    public static void generalActions() {
        logger.info(GENERAL_USER, "User actions are triggered");
    }

    public static void main(String args[]) {
        adminActions();
        generalActions();
    }
}

输出：

22:52:14.093 [main] INFO  HelloWorld - Admin actions are triggered

# Reference

http://self-learning-java-tutorial.blogspot.jp/2015/10/log4j2-markers.html Makers