String (Expression[] params, ExpressionContext context, boolean date) { long time = Clock.getTime(); if (params.length == 1) { Result format = params[0].calculateResult(context); if (format != null) { String pattern = format.toString(); try { return new SimpleDateFormat(pattern).format(new Date(time)); } catch (Exception e) { return "Problem when formatting date/time for pattern \"" + pattern + "\": " + e.getMessage(); } } } return date ? DateFormatUtil.formatDate(time) : DateFormatUtil.formatTime(time); }