Tester.java 文件源码

public static void main(String[] args)
{
    if (args.length < 1) {
        System.err.println("usage: java backend.logging.Tester <verbosity level>");
        System.exit(1);
    }
    int vlevel = Integer.parseInt(args[0]);
    Level level = VarLogger.getLogLevel(vlevel);
    Formatter formatter = VarLogger.canHandleColor() ?
        new RenameLevelFormatter(
            RenameLevelFormatter.ColorNameStrategy.getInstance())
        : new SimpleFormatter();
    Logger LOG = new VarLogger.FormatterBuilder()
                     .formatter(formatter)
                     .level(level)
                     .build()
                     .getLogger();
   System.out.println("Log level: " + LOG.getLevel());
    LOG.log(ERROR, "A error message;");
    LOG.log(INFO,  "An info message;");
    LOG.log(DEBUG, "A debug message;");
}