jodd-log/src/main/java/jodd/log/impl/SimpleLogger.java
protected void print(final Level level, final String message, final Throwable throwable) {
		if (!isEnabled(level)) {
			return;
		}

		StringBuilder msg = new StringBuilder()
			.append(slf.getElapsedTime()).append(' ').append('[')
			.append(level).append(']').append(' ')
			.append(getCallerClass()).append(' ').append('-')
			.append(' ').append(message);

		System.out.println(msg.toString());

		if (throwable != null) {
			throwable.printStackTrace(System.out);
		}
	}
protected void print(final Level level, final String message, final Throwable throwable) {
		if (!isEnabled(level)) {
			return;
		}

		StringBuilder msg = new StringBuilder()
			.append(slf.getElapsedTime()).append(' ').append('[')
			.append(level).append(']').append(' ')
			.append(getCallerClass()).append(' ').append('-')
			.append(' ').append(message);

		System.out.println(msg.toString());

		if (throwable != null) {
			throwable.printStackTrace(System.out);
		}
	}
Prints error message if level is enabled.