logger

logger.java

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.log4j.*;

/**
 *
 * @author e0s87
 */
public class logger {
    // Define a static logger variable so that it references the Logger instance
    Date fecha = new Date();

    public logger() throws IOException {
        Logger log = Logger.getLogger(logger.class);
        SimpleDateFormat formato = new SimpleDateFormat("dd.MM.yyyy");
        
        String fechaAc = formato.format(fecha);
        PatternLayout defaultLayout = new PatternLayout("%p %c, line %L, %d{dd.MM.yyyy/HH:mm:ss}, %m%n");
        RollingFileAppender rollingFileAppender = new RollingFileAppender();
        rollingFileAppender.setFile("/tmp/archivo_" + fechaAc + ".log", true, false, 0);
        
        //rollingFileAppender.setMaxFileSize("10MB");
        //rollingFileAppender.setMaxBackupIndex(5);        
        rollingFileAppender.setLayout(defaultLayout);

        log.removeAllAppenders();
        log.addAppender(rollingFileAppender);
        log.setAdditivity(false);

        log.info("Nueva Prueba.");
        log.info("Exiting application.");
    }

    public static void main(String[] args) throws IOException {
        // Set up a simple configuration that logs on the console.     
        new logger();
    }
}