com.sshtools.slf4jtty.TtyLoggerFactory Maven / Gradle / Ivy
package com.sshtools.slf4jtty;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.slf4j.ILoggerFactory;
import org.slf4j.Logger;
/**
* An implementation of {@link ILoggerFactory} which always returns
* {@link TtyLogger} instances.
*
* TtyLogger and associated classes are based on SimpleLogger implementation to varying degrees.
*
* @author Ceki Gülcü
*/
public class TtyLoggerFactory implements ILoggerFactory {
ConcurrentMap loggerMap;
public TtyLoggerFactory() {
loggerMap = new ConcurrentHashMap<>();
TtyLogger.lazyInit();
}
/**
* Return an appropriate {@link SimpleLogger} instance by name.
*/
public Logger getLogger(String name) {
Logger simpleLogger = loggerMap.get(name);
if (simpleLogger != null) {
return simpleLogger;
} else {
Logger newInstance = new TtyLogger(name);
Logger oldInstance = loggerMap.putIfAbsent(name, newInstance);
return oldInstance == null ? newInstance : oldInstance;
}
}
/**
* Clear the internal logger cache.
*
* This method is intended to be called by classes (in the same package) for
* testing purposes. This method is internal. It can be modified, renamed or
* removed at any time without notice.
*
* You are strongly discouraged from calling this method in production code.
*/
void reset() {
loggerMap.clear();
}
}