io.polaris.core.log.ILoggers Maven / Gradle / Ivy
package io.polaris.core.log;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import io.polaris.core.string.Strings;
/**
* @author Qt
* @since Jan 10, 2024
*/
public class ILoggers {
private static final Map CACHE = new ConcurrentHashMap<>();
public static ILogger of(Class c) {
return of(c.getName());
}
public static ILogger of(String name) {
return CACHE.computeIfAbsent(name, k -> newLogger(name));
}
public static ILogger of() {
return of(detectLoggerName());
}
private static String detectLoggerName() {
String name = null;
StackTraceElement[] elements = Thread.currentThread().getStackTrace();
for (int i = 1; i < elements.length; i++) {
String className = elements[i].getClassName();
if (!ILoggers.class.getName().equals(className)) {
name = className;
break;
}
}
return Strings.coalesce(name, "");
}
private static ILogger newLogger(String name) {
try {
org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(name);
if (logger instanceof org.slf4j.spi.LocationAwareLogger) {
return new Slf4jAwareLogger((org.slf4j.spi.LocationAwareLogger) logger);
} else {
return new Slf4jLogger(logger);
}
} catch (Throwable e) { // no dependency
return new StdoutLogger(name);
}
}
}