Log4jUtil

package com.zhongying.jf.util.log;

import java.util.HashMap;
import java.util.Map;

import org.apache.log4j.Logger;

/**
 * @author liyuxuan
 * @Description
 * @Email liyuxuan@chinazyjr.com
 * Created on 2017/11/6 11:58
 * Copyright (c) 2017 All Rights Reserved.
 */
public class Log4jUtil {
    private static Map
 
   loggerMap = new HashMap
  
   (); public static void main(String[] args) throws ClassNotFoundException { Log4jUtil.info("自定义LOG","sss444444"); } public static void debug(Object message){ String className = getClassName(); Logger log = getLogger(className); if(log.isDebugEnabled()){ log.debug(message); } } public static void debug(String tag, Object message){ String className = getClassName(); Logger log = getLogger(className); if(log.isDebugEnabled()){ log.debug(new StringBuffer().append("【").append(tag).append("】").append(message).toString()); } } public static void info(Object message){ String className = getClassName(); Logger log = getLogger(className); if(log.isInfoEnabled()){ log.info(message); } } public static void info(String tag, Object message){ String className = getClassName(); Logger log = getLogger(className); if(log.isInfoEnabled()){ log.info(new StringBuffer().append("【").append(tag).append("】").append(message).toString()); } } public static void warn(Object message){ String className = getClassName(); Logger log = getLogger(className); log.warn(message); } public static void warn(String tag, Object message){ String className = getClassName(); Logger log = getLogger(className); log.warn(new StringBuffer().append("【").append(tag).append("】").append(message).toString()); } public static void error(Object message){ String className = getClassName(); Logger log = getLogger(className); log.error(message); } public static void error(String tag, Object message){ String className = getClassName(); Logger log = getLogger(className); log.error(new StringBuffer().append("【").append(tag).append("】").append(message).toString()); } /** * 获取最开始的调用者所在类 * @return */ private static String getClassName(){ Throwable th = new Throwable(); StackTraceElement[] stes = th.getStackTrace(); StackTraceElement ste = stes[2]; return ste.getClassName(); } /** * 根据类名获得logger对象 * @param className * @return */ private static Logger getLogger(String className){ Logger log = null; if(loggerMap.containsKey(className)){ log = loggerMap.get(className); }else{ try { log = Logger.getLogger(Class.forName(className)); loggerMap.put(className, log); } catch (ClassNotFoundException e) { e.printStackTrace(); } } return log; } }