封装 lo4j (转)-02

	public void info(Object message) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, message);
		}
	}

	public void info(Object message, Throwable t) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, message, t);
		}
	}

	public void info(String pattern, Object... arguments) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, arguments));
		}
	}
	public void info(String pattern, Throwable t, Object... arguments) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, arguments), t);
		}
	}
	
	public void warn(Object message) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, message);
		}
	}

	public void warn(Object message, Throwable t) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, message, t);
		}
	}

	public void warn(String pattern, Object... arguments) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, arguments));
		}
	}
	public void warn(String pattern, Throwable t, Object... arguments) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, arguments), t);
		}
	}
	
	public void error(Object message) {
		if (logger.isEnabledFor(Level.ERROR)) {
			forcedLog(logger, Level.ERROR, message);
		}
	}

	public void error(Object message, Throwable t) {
		if (logger.isEnabledFor(Level.ERROR)) {
			forcedLog(logger, Level.ERROR, message, t);
		}
	}

	public void error(String pattern, Object... arguments) {
		if (logger.isEnabledFor(Level.ERROR)) {
			forcedLog(logger, Level.ERROR, format(pattern, arguments));
		}
	}
	public void error(String pattern, Throwable t, Object... arguments) {
		if (logger.isEnabledFor(Level.ERROR)) {
			forcedLog(logger, Level.ERROR, format(pattern, arguments), t);
		}
	}
	
	public void fatal(Object message) {
		if (logger.isEnabledFor(Level.FATAL)) {
			forcedLog(logger, Level.FATAL, message);
		}
	}

	public void fatal(Object message, Throwable t) {
		if (logger.isEnabledFor(Level.FATAL)) {
			forcedLog(logger, Level.FATAL, message, t);
		}
	}

	public void fatal(String pattern, Object... arguments) {
		if (logger.isEnabledFor(Level.FATAL)) {
			forcedLog(logger, Level.FATAL, format(pattern, arguments));
		}
	}
	public void fatal(String pattern, Throwable t, Object... arguments) {
		if (logger.isEnabledFor(Level.FATAL)) {
			forcedLog(logger, Level.FATAL, format(pattern, arguments), t);
		}
	}
	
	public void assertLog(boolean assertion, String message) {
		if (!assertion) {
			forcedLog(logger, Level.ERROR, message);
		}
	}
	
	private static void forcedLog(Logger logger, Level level, Object message) {
		logger.callAppenders(new LoggingEvent(FQCN, logger, level, message, null));
	}

	private static void forcedLog(Logger logger, Level level, Object message, Throwable t) {
		logger.callAppenders(new LoggingEvent(FQCN, logger, level, message, t));
	}

	private static String format(String pattern, Object... arguments) {
		return MessageFormat.format(pattern, arguments);
	}
	
}