Simple Log Formatter Example : Log « Language Basics « Java

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Simple Log Formatter Example

    

// : c15:SimpleFormatterExample.java
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.util.logging.ConsoleHandler;
import java.util.logging.Formatter;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

public class SimpleFormatterExample {

  private static Logger logger = Logger.getLogger("SimpleFormatterExample");

  private static void logMessages() {
    logger.info("Line One");
    logger.info("Line Two");
  }

  public static void main(String[] args) {
    logger.setUseParentHandlers(false);
    Handler conHdlr = new ConsoleHandler();
    conHdlr.setFormatter(new Formatter() {
      public String format(LogRecord record) {
        return record.getLevel() + "  :  "
            + record.getSourceClassName() + " -:- "
            + record.getSourceMethodName() + " -:- "
            + record.getMessage() + "\n";
      }
    });
    logger.addHandler(conHdlr);
    logMessages();

  }
} ///:~


           
         
    
    
    
  

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