Source Code : Java log: various log methods

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Java log: various log methods

    
/*
Logging In Java with the JDK 1.4 Logging API and Apache log4j
by Samudra Gupta    
Apress Copyright 2003 
ISBN:1590590996

*/
import java.util.logging.*;
import java.io.IOException;
public class LogMethods {
    private static Logger logger = Logger.getLogger("sam.logging");
    public LogMethods()
    {
        //first obtain the logmanager instance
        LogManager manager = LogManager.getLogManager();
        //remove all the associated handlers with this manager
        manager.reset();
        //create a new handler for the logger to write messages
        // to the console
        ConsoleHandler ch = new ConsoleHandler();
        ch.setLevel(Level.FINEST);

        //setting the logger level and handler
        logger.setLevel(Level.FINEST);
        logger.addHandler(ch);

    }

    /**
     * This method demonstrates the basic logging methods
     */
    public void printBasicMethods()
    {
        logger.log(Level.INFO, "THIS IS INFO LEVEL MESSAGE");

        //creating a log record on our own
        LogRecord record = new LogRecord(Level.SEVERE, "OUR OWN LOGRECORD OBJECT");

        //logging the log record object
        logger.log(record);
    }

    /**
     * This method demonstrates the precise logging methods
     */

    public void printPreciseMethods()
    {
        logger.logp(Level.INFO, "LogMethods", "printPreciseMethods","PRECISE METHODS..");
    }

    /**
     * This method demonstrates the level based logging methods
     */
    public void printLevelMethods()
    {

        logger.fine("THIS IS A FINE LEVEL MESSAGE");
        logger.finer("THIS IS A FINER LEVEL MESSAGE");
        logger.finest("THIS IS A FINEST LEVEL MESSAGE");
        logger.config("THIS IS CONFIG LEVEL MESSAGE");
    }
    /**
     *This method demonstrates the method level logging methods
     */
    public void printMethod()
    {

        logger.entering("LogMethods", "printMethod");
        logger.exiting("LogMethods", "printMethod");
    }

    public static void main(String[] args)
    {
        LogMethods lm = new LogMethods();
        lm.printBasicMethods();
        lm.printPreciseMethods();
        lm.printLevelMethods();
        lm.printMethod();
    }
}



           
         
    
    
    
  

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