logserver.java

java编写的监控一个文件夹里面有没有新的excel文件放入

package com.justin.log;

import com.justin.config.*;

/**
 * @author Justin
 *
 *　单例模式．日志记录，此类负责向用户界面及控制台写信息（Debug开启状态下）
 */
public class LogServer {
	private ConfigManager config = null;
	private static DisplayHost disHost = null;
	private static LogServer logger = null;
	private boolean isDebug;
	private LogServer(){
		config = ConfigManager.getInstance();
		isDebug = config.getBooleanProperty(ConfigManager.DEGUB_STATE);
	};
	
	public synchronized static LogServer getInstance(){
		if(logger == null){
			logger = new LogServer();
		}
		return logger;
	}

	//设置输出界面
	public synchronized void initiateLog(DisplayHost host) {
		disHost = host;
	}
	
	public synchronized void showMessage(String Msg) {
		if (disHost != null) {
			disHost.showMessage(Msg);
		}
		if (isDebug){
			System.out.println(Msg);
		}			
	}
}