Source Code : Java log: File Handler Demo

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Java log: File Handler Demo

    
import java.io.IOException;
import java.util.logging.FileHandler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

public class FileHandlerDemo {
  private FileHandler handler = null;

  private static Logger logger = Logger.getLogger("sam.logging");

  public FileHandlerDemo(String pattern) {
    try {
      handler = new FileHandler(pattern, 1000, 2);
      logger.addHandler(handler);
    } catch (IOException ioe) {
      ioe.printStackTrace();
    }
  }

  public void logMessage() {
    LogRecord record = new LogRecord(Level.INFO, "Logged in a file..22.");
    logger.log(record);
    handler.flush();
    handler.close();
  }

  public static void main(String[] args) {
    FileHandlerDemo demo = new FileHandlerDemo("%h/log%g.out");
    demo.logMessage();
  }
}
           
         
    
    
    
  

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