Logger Adapter Extension

Logger Adapter Extension

Extension Description

Log output adaptation extension point.

Extension Interface

org.apache.dubbo.common.logger.LoggerAdapter

Extension Configuration

<dubbo:application logger="xxx" />

or:

-Ddubbo:application.logger=xxx

Known Extensions

• org.apache.dubbo.common.logger.slf4j.Slf4jLoggerAdapter
• org.apache.dubbo.common.logger.jcl.JclLoggerAdapter
• org.apache.dubbo.common.logger.log4j.Log4jLoggerAdapter
• org.apache.dubbo.common.logger.log4j2.Log4j2LoggerAdapter
• org.apache.dubbo.common.logger.jdk.JdkLoggerAdapter

Extension Example

Maven project structure:

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxLoggerAdapter.java (implements LoggerAdapter interface)
    |-resources
        |-META-INF
            |-dubbo
                |-org.apache.dubbo.common.logger.LoggerAdapter (plain text file, content: xxx=com.xxx.XxxLoggerAdapter)

XxxLoggerAdapter.java:

package com.xxx;
import org.apache.dubbo.common.logger.LoggerAdapter;
public class XxxLoggerAdapter implements LoggerAdapter {
    public Logger getLogger(URL url) {
        // ...
    }
}

XxxLogger.java:

package com.xxx;
import org.apache.dubbo.common.logger.Logger;
public class XxxLogger implements Logger {
    public XxxLogger(URL url) {
        // ...
    }
    public void info(String msg) {
        // ...
    }
    // ...
}

META-INF/dubbo/org.apache.dubbo.common.logger.LoggerAdapter:

xxx=com.xxx.XxxLoggerAdapter

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Last modified September 30, 2024: Update & Translate Overview Docs (#3040) (d37ebceaea7)