private String weekAndYearLabelFor(LocalDate date) {
return "W" + date.getWeekOfWeekyear() + "-" + date.getYear();
}
private CategoryModel generateMonteCarloGraphByWeek(String orderName, Map<String, BigDecimal> data) {
CategoryModel result = new SimpleCategoryModel();
LocalDate first = getFirstDate();
LocalDate last = getLastDate();
for (LocalDate i = first; i.compareTo(last) <= 0; i = i.plusDays(1)) {
plotWeekValue(result, orderName, weekLabelFor(i),