logwriter.java

来自「一个应用timer的小程序」· Java 代码 · 共 43 行

package net.sujee.util;

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.Date;

public class LogWriter
{
   //PrintWriter log ;
   PrintStream log ;

   public LogWriter ()
   {
      //log = new PrintWriter (System.out);
      log = System.out;
   }

   /*
   public LogWriter (String fileName)
   {
      try
      {
         log = new PrintWriter ( new FileWriter (fileName), true);
      }
      catch (Exception e)
      {
         System.out.println("Opening the logfile '" + fileName +
                    "' failed.  Logs will be echoed to STDOUT");
         log = new PrintWriter (System.out);
      }
   }
   */


   public void log (String msg)
   {
      log.println( "[" + new Date().toString () + "]      " + msg);
   }

}