日志适配扩展
扩展说明
日志输出适配扩展点。
扩展接口
org.apache.dubbo.common.logger.LoggerAdapter
扩展配置
<dubbo:application logger="xxx" />
或者:
-Ddubbo:application.logger=xxx
已知扩展
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
扩展示例
Maven 项目结构:
src
|-main
|-java
|-com
|-xxx
|-XxxLoggerAdapter.java (实现LoggerAdapter接口)
|-resources
|-META-INF
|-dubbo
|-org.apache.dubbo.common.logger.LoggerAdapter (纯文本文件,内容为: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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最后修改 July 23, 2021: update metadata doc, add application level metadata info. (#876) (e71a2ba)