Configure Logging : Log « Language Basics « Java

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Configure Logging

    
// : c15:ConfigureLogging.java
//{JVMArgs: -Djava.util.logging.config.file=log.prop}
//{Clean: java0.log,java0.log.lck}
//From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
//www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.util.logging.Logger;

public class ConfigureLogging {
  static Logger lgr = Logger.getLogger("com"), lgr2 = Logger
      .getLogger("com.bruceeckel"), util = Logger
      .getLogger("com.bruceeckel.util"), test = Logger
      .getLogger("com.bruceeckel.test"), rand = Logger
      .getLogger("random");

  public ConfigureLogging() {
    /*
     * Set Additional formatters, Filters and Handlers for the loggers here.
     * You cannot specify the Handlers for loggers except the root logger
     * from the configuration file.
     */
  }

  public static void main(String[] args) {
    sendLogMessages(lgr);
    sendLogMessages(lgr2);
    sendLogMessages(util);
    sendLogMessages(test);
    sendLogMessages(rand);
  }

  private static void sendLogMessages(Logger logger) {
    System.out.println(" Logger Name : " + logger.getName() + " Level: "
        + logger.getLevel());
    logger.finest("Finest");
    logger.finer("Finer");
    logger.fine("Fine");
    logger.config("Config");
    logger.info("Info");
    logger.warning("Warning");
    logger.severe("Severe");
  }
} ///:~



           
         
    
    
    
  

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