增加日志记录时的完全限定类名，用于定位日志位置。

ps：2023-12-12 16:30:58.779 [Thread-10]  INFO --- gov.nist.javax.sip.stack.UDPMessageChannel : 81 Done processing MESSAGE sip:44010200492000000003@4401020049 SIP/2.0
日志中的“gov.nist.javax.sip.stack.UDPMessageChannel”内容

src/main/java/com/genersoft/iot/vmp/gb28181/conf/StackLoggerImpl.java

@@ -1,8 +1,8 @@
 package com.genersoft.iot.vmp.gb28181.conf;
 
 import gov.nist.core.StackLogger;
-import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.slf4j.spi.LocationAwareLogger;
 import org.springframework.stereotype.Component;
 
 import java.util.Properties;
@@ -10,100 +10,132 @@ import java.util.Properties;
 @Component
 public class StackLoggerImpl implements StackLogger {
 
-    private final static Logger logger = LoggerFactory.getLogger(StackLoggerImpl.class);
+	/**
+	 * 完全限定类名(Fully Qualified Class Name)，用于定位日志位置
+	 */
+	private static final String FQCN = StackLoggerImpl.class.getName();
 
-    @Override
+	/**
-    public void logStackTrace() {
+	 * 获取栈中类信息(以便底层日志记录系统能够提取正确的位置信息(方法名、行号))
+	 * @return LocationAwareLogger
+	 */
+	private static LocationAwareLogger getLocationAwareLogger() {
+		return (LocationAwareLogger) LoggerFactory.getLogger(new Throwable().getStackTrace()[4].getClassName());
+	}
 
-    }
 
-    @Override
+	/**
-    public void logStackTrace(int traceLevel) {
+	 * 封装打印日志的位置信息
-        System.out.println("traceLevel: "  + traceLevel);
+	 * @param level   日志级别
-    }
+	 * @param message 日志事件的消息
+	 */
+	private static void log(int level, String message) {
+		LocationAwareLogger locationAwareLogger = getLocationAwareLogger();
+		locationAwareLogger.log(null, FQCN, level, message, null, null);
+	}
 
-    @Override
+	/**
-    public int getLineCount() {
+	 * 封装打印日志的位置信息
-        return 0;
+	 * @param level   日志级别
-    }
+	 * @param message 日志事件的消息
+	 */
+	private static void log(int level, String message, Throwable throwable) {
+		LocationAwareLogger locationAwareLogger = getLocationAwareLogger();
+		locationAwareLogger.log(null, FQCN, level, message, null, throwable);
+	}
 
-    @Override
+	@Override
-    public void logException(Throwable ex) {
+	public void logStackTrace() {
 
-    }
+	}
 
-    @Override
+	@Override
-    public void logDebug(String message) {
+	public void logStackTrace(int traceLevel) {
-//        logger.debug(message);
+		System.out.println("traceLevel: " + traceLevel);
-    }
+	}
 
-    @Override
+	@Override
-    public void logDebug(String message, Exception ex) {
+	public int getLineCount() {
-//        logger.debug(message);
+		return 0;
-    }
+	}
 
-    @Override
+	@Override
-    public void logTrace(String message) {
+	public void logException(Throwable ex) {
-        logger.trace(message);
-    }
 
-    @Override
+	}
-    public void logFatalError(String message) {
-//        logger.error(message);
-    }
 
-    @Override
+	@Override
-    public void logError(String message) {
+	public void logDebug(String message) {
-//        logger.error(message);
+		log(LocationAwareLogger.INFO_INT, message);
-    }
+	}
 
-    @Override
+	@Override
-    public boolean isLoggingEnabled() {
+	public void logDebug(String message, Exception ex) {
-        return true;
+		log(LocationAwareLogger.INFO_INT, message, ex);
-    }
+	}
 
-    @Override
+	@Override
-    public boolean isLoggingEnabled(int logLevel) {
+	public void logTrace(String message) {
-        return true;
+		log(LocationAwareLogger.INFO_INT, message);
-    }
+	}
 
-    @Override
+	@Override
-    public void logError(String message, Exception ex) {
+	public void logFatalError(String message) {
-//        logger.error(message);
+		log(LocationAwareLogger.INFO_INT, message);
-    }
+	}
 
-    @Override
+	@Override
-    public void logWarning(String message) {
+	public void logError(String message) {
-        logger.warn(message);
+		log(LocationAwareLogger.INFO_INT, message);
-    }
+	}
 
-    @Override
+	@Override
-    public void logInfo(String message) {
+	public boolean isLoggingEnabled() {
-        logger.info(message);
+		return true;
-    }
+	}
 
-    @Override
+	@Override
-    public void disableLogging() {
+	public boolean isLoggingEnabled(int logLevel) {
+		return true;
+	}
 
-    }
+	@Override
+	public void logError(String message, Exception ex) {
+		log(LocationAwareLogger.INFO_INT, message, ex);
+	}
 
-    @Override
+	@Override
-    public void enableLogging() {
+	public void logWarning(String message) {
+		log(LocationAwareLogger.INFO_INT, message);
+	}
 
-    }
+	@Override
+	public void logInfo(String message) {
+		log(LocationAwareLogger.INFO_INT, message);
+	}
 
-    @Override
+	@Override
-    public void setBuildTimeStamp(String buildTimeStamp) {
+	public void disableLogging() {
 
-    }
+	}
 
-    @Override
+	@Override
-    public void setStackProperties(Properties stackProperties) {
+	public void enableLogging() {
 
-    }
+	}
 
-    @Override
+	@Override
-    public String getLoggerName() {
+	public void setBuildTimeStamp(String buildTimeStamp) {
-        return null;
+
-    }
+	}
+
+	@Override
+	public void setStackProperties(Properties stackProperties) {
+
+	}
+
+	@Override
+	public String getLoggerName() {
+		return null;
+	}
 }