로그 남기기.. -java

*개발 하실때 참고 하세요..

package LogManager;

import java.util.logging.ConsoleHandler;
import java.util.logging.FileHandler;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.logging.SimpleFormatter;

public class LogTrace {
 
 private String _filename;
 private Logger _logger;
 private FileHandler _fHandler;
 
 public LogTrace(String filename){
  this._filename  = filename;
  this._logger = java.util.logging.Logger.getLogger("net.anfamily.logging");
 }
 
 public LogTrace(String filename, java.util.logging.Logger logger){
  this._filename  = filename;
  this._logger = logger;
 }
 
 /**
  * 로그를 저장한다.
  */
 public void writeLog(String log){
  try{
   this._fHandler = new java.util.logging.FileHandler(this._filename,true);
   
   _logger.addHandler(this._fHandler);
   _logger.setLevel(java.util.logging.Level.ALL);
   SimpleFormatter formatter = new SimpleFormatter();
   
   //로그 메시지를 남긴다.
   _logger.log(Level.FINER,log);
   _logger.log(Level.FINE,log);
   _logger.log(Level.FINER,log);
   _logger.log(Level.CONFIG,log);
   _logger.log(Level.INFO,log);
   _logger.log(Level.WARNING,log);
   _logger.log(Level.SEVERE,log);
  }catch(Exception e){
   e.printStackTrace();
   System.out.println("");
  }
 }
 
 
 /**
  *로그를 저장한다.
  * @param log
  * @param filename
  */
 public void writeLog(String log, String filename){
  try{
   this._fHandler = new java.util.logging.FileHandler(this._filename,true);
   
   _logger.addHandler(this._fHandler);
   _logger.setLevel(java.util.logging.Level.ALL);
   SimpleFormatter formatter = new SimpleFormatter();
   this._fHandler.setFormatter(formatter);
   
   _logger.log(Level.FINER,log);
   _logger.log(Level.FINER,log);
   _logger.log(Level.FINE,log);
   _logger.log(Level.CONFIG,log);
   _logger.log(Level.INFO,log);
   _logger.log(Level.WARNING,log);
   _logger.log(Level.SEVERE,log);
   
  }catch(Exception e){
   e.printStackTrace();
  }
 }
 
 /**
  * 로그를 저장한다.
  * @param log
  * @param logger
  * @param handler
  */
 public static void writeLog(String log,Logger logger, ConsoleHandler handler){
 
  try{
   logger.addHandler(handler);
   logger.setLevel(java.util.logging.Level.ALL);
   SimpleFormatter formatter = new SimpleFormatter();
   handler.setFormatter(formatter);
   
   logger.log(Level.FINEST,log);
   logger.log(Level.FINER,log);
   logger.log(Level.FINE,log);
   logger.log(Level.CONFIG,log);
   logger.log(Level.INFO,log);
   logger.log(Level.WARNING,log);
   logger.log(Level.SEVERE,log);
  }catch(Exception e){
   e.printStackTrace();
   System.out.println("");
  }
 }
 
 /**
  * 로그를 파일로 저장한다.
  * @param filename
  * @param log
  * @param logger
  */
 public static void writeLog(String log,Logger logger,String filename){
  try{
   FileHandler handler = new java.util.logging.FileHandler(filename,true);
   logger.addHandler(handler);
   logger.setLevel(java.util.logging.Level.ALL);
   SimpleFormatter formatter = new SimpleFormatter();
   handler.setFormatter(formatter);
   
   logger.log(Level.FINEST,log);
   logger.log(Level.FINER,log);
   logger.log(Level.FINE,log);
   logger.log(Level.CONFIG,log);
   logger.log(Level.INFO,log);
   logger.log(Level.SEVERE,log);
  }catch(Exception e){
   e.printStackTrace();
   System.out.println("");
  }
 
 
 }
 
}
==========================================================================================

package LogManager;

import java.util.logging.ConsoleHandler;
import java.util.logging.Logger;

public class LogingTest {

 public LogingTest(){
 }
 
 public static void main(String [] args){
  LogTrace logs = new LogTrace("c:\\log_Test100917.txt");
  logs.writeLog("Test입니다.");
 
  LogTrace.writeLog("Test입니다._1", Logger.getLogger("new.anfamily.net"), new ConsoleHandler());
  LogTrace.writeLog("Test입니다._2", Logger.getLogger("new.anfamily.net"), "c:\\log_Test100917_1.txt");
 }
}
=======================================================================================

실행 결과

2010. 9. 17 오전 11:15:31 LogManager.LogTrace writeLog
아주 자세히: Test입니다._2
2010. 9. 17 오전 11:15:31 LogManager.LogTrace writeLog
더 자세히: Test입니다._2
2010. 9. 17 오전 11:15:31 LogManager.LogTrace writeLog
자세히: Test입니다._2
2010. 9. 17 오전 11:15:31 LogManager.LogTrace writeLog
구성: Test입니다._2
2010. 9. 17 오전 11:15:31 LogManager.LogTrace writeLog
정보: Test입니다._2
2010. 9. 17 오전 11:15:31 LogManager.LogTrace writeLog
심각: Test입니다._2