80f491ac608b001c11868cf7a0fb9112

一个类似于log4j的小软件

package main.cn.edu.nju.software.sd.cll;

public class LoggerManager {
	private static final LoggerManager logManager = new LoggerManager();
	private LoggerTree tree;
	private LoggerFactory factory;
	private LoggerManager()
	{
		tree = new LoggerTree();
		factory = new DefaultLoggerFactory();
	}
	public static LoggerManager getLogManager()
	{
		return logManager;
	}
/**如果存在名字为name的logger,则返回logger,否则调用工厂方法创建一个名字为name的logger*/	
	public Logger getLogger(String name)
	{
		Logger logger = tree.find(name).logger;
		if(logger==null)
		{
			logger = factory.createNewLogger(name);
		}
		return logger;
	}
	
/**把新创建的logger加到logger tree中*/
	public void addLogger(Logger logger)
	{
		tree.insert(logger);
	}
	
/**查找是否存在此logger*/
	public boolean findLogger(Logger logger)
	{
		boolean exist = tree.isExist(logger.getName());
		return exist;
	}
	
/**设置logger的属性*/
	public void setConfiguration()
	{
		
	}
	
/**获得logger的父logger*/
	public LoggerNode getParent(Logger logger)
	{
		LoggerNode parent = tree.getParent(logger);
		return parent;
	}
/**获得父logger的level*/
	public Level getParentLevel(Logger logger)
	{
		LoggerNode parent = tree.getParent(logger);
		while(parent.logger.getLevel()==null){
			parent = parent.parent;
		}
		return parent.logger.getLevel();
	}
	public Format getParentFormat(Logger logger)
	{
		LoggerNode parent = tree.getParent(logger);
		while(parent.logger.getFormat()==null)
			parent = parent.parent;
		return parent.logger.getFormat();
	}
}