Java log: Custom XML Formatter : Log « Language Basics « Java

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Java log: Custom XML Formatter

    
/*
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.*;

class CustomFormatter extends Formatter
{
  public CustomFormatter(){}

   /**
     This method formats the given log record, in a java properties file style
   */
  public synchronized String format(LogRecord record)
  {
    String methodName = record.getSourceMethodName();
    String message = record.getMessage();
    StringBuffer buffer = new StringBuffer(50);
    buffer.append(methodName);
    buffer.append("=");
    buffer.append(message);
    return buffer.toString();
  }
}

public class CustomFormatterTest{
    private static Logger logger = Logger.getLogger("sam.logging");
    private String fileName = null;

    public CustomFormatterTest(String fileName)
    {
        this.fileName = fileName;
        try
        {
            FileHandler fh = new FileHandler(fileName);
            CustomFormatter formatter = new CustomFormatter();
            fh.setFormatter(formatter);

            logger.addHandler(fh);
        }catch(IOException ioe)
        {
            ioe.printStackTrace();
        }
    }
    /**
     * This method performs the logging activity
     */

    public void logMessage()
    {
        logger.info("log this message");

    }

    public static void main(String args[]) {
        CustomFormatterTest test = new CustomFormatterTest("name");
        test.logMessage();
    }
}
           
         
    
    
    
  

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