log4j - 测试用例：Appender

 

package com.yt.test.log4j.appender;

import java.io.File;
import java.io.FileOutputStream;

import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.FileAppender;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.SimpleLayout;
import org.apache.log4j.WriterAppender;

/**
 * 
 * @author ChenSS 2017年8月7日下午22:29:09 
 *
 */
public class AppenderTest {
    static Logger logger = Logger.getLogger(AppenderTest.class);

    public static void initConsoleAppender(){
        try {
            ConsoleAppender appender = new ConsoleAppender(new SimpleLayout());
            logger.addAppender(appender);
            logger.setLevel((Level) Level.DEBUG);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    public static void initFileAppender(){
        try {
            FileAppender appender = new FileAppender(new SimpleLayout(), "file-log.txt", true);
            logger.addAppender(appender);
            logger.setLevel((Level) Level.DEBUG);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    
    public static void initWriterAppender(){
        try {
            WriterAppender appender = new WriterAppender(new SimpleLayout(), new FileOutputStream(new File("writer-log.txt")));
            logger.addAppender(appender);
            logger.setLevel((Level) Level.DEBUG);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static void main(String args[]) {
        logger.debug("Here is some DEBUG");
        logger.info("Here is some INFO");
        logger.warn("Here is some WARN");
        logger.error("Here is some ERROR");
        logger.fatal("Here is some FATAL");
    }
}