/**
   * First find a budget period that matches the start and end date. If that is found, find a
   * subaward period detail with the same budget period number.
   *
   * @param budget
   * @param budgetSubAward
   * @param startDate
   * @param endDate
   * @return
   */
  protected BudgetSubAwardPeriodDetail findBudgetSubAwardPeriodDetail(
      Budget budget, BudgetSubAwards budgetSubAward, Date startDate, Date endDate) {
    BudgetPeriod matchingPeriod = null;
    BudgetSubAwardPeriodDetail matchingDetail = null;
    for (BudgetPeriod period : budget.getBudgetPeriods()) {
      if (startDate.getTime() == period.getStartDate().getTime()
          && endDate.getTime() == period.getEndDate().getTime()) {
        matchingPeriod = period;
        break;
      }
    }
    if (matchingPeriod != null) {

      for (BudgetSubAwardPeriodDetail detail : budgetSubAward.getBudgetSubAwardPeriodDetails()) {
        if (ObjectUtils.equals(detail.getBudgetPeriod(), matchingPeriod.getBudgetPeriod())) {
          matchingDetail = detail;
          break;
        }
      }
    }
    return matchingDetail;
  }
  /**
   * This method checks business rules related to Budget Expenses functionality
   *
   * @param budgetDocument
   * @return
   */
  protected boolean processBudgetExpenseBusinessRules(BudgetDocument budgetDocument) {
    boolean valid = true;
    // TODO - put budget expense validation rules here.
    MessageMap errorMap = GlobalVariables.getMessageMap();

    List<BudgetPeriod> budgetPeriods = budgetDocument.getBudget().getBudgetPeriods();
    int i = 0;
    int j = 0;
    for (BudgetPeriod budgetPeriod : budgetPeriods) {
      j = 0;
      List<BudgetLineItem> budgetLineItems = budgetPeriod.getBudgetLineItems();
      for (BudgetLineItem budgetLineItem : budgetLineItems) {
        if (budgetLineItem != null
            && budgetLineItem.getStartDate() != null
            && budgetLineItem.getStartDate().before(budgetPeriod.getStartDate())) {
          errorMap.putError(
              "budgetCategoryTypes["
                  + budgetLineItem.getBudgetCategory().getBudgetCategoryTypeCode()
                  + "].budgetPeriods["
                  + i
                  + "].budgetLineItems["
                  + j
                  + "].startDate",
              KeyConstants.ERROR_LINEITEM_STARTDATE_BEFORE_PERIOD_STARTDATE);
          valid = false;
        }
        if (budgetLineItem != null
            && budgetLineItem.getEndDate() != null
            && budgetLineItem.getEndDate().after(budgetPeriod.getEndDate())) {
          errorMap.putError(
              "budgetCategoryTypes["
                  + budgetLineItem.getBudgetCategory().getBudgetCategoryTypeCode()
                  + "].budgetPeriods["
                  + i
                  + "].budgetLineItems["
                  + j
                  + "].endDate",
              KeyConstants.ERROR_LINEITEM_ENDDATE_AFTER_PERIOD_ENDDATE);
          valid = false;
        }
        //                if (budgetLineItem!=null && budgetLineItem.getCostSharingAmount() != null
        // && budgetLineItem.getCostSharingAmount().isNegative()) {
        //                    errorMap.putError("budgetPeriod[" + i +"].budgetLineItem[" + j +
        // "].costSharingAmount", KeyConstants.ERROR_NEGATIVE_AMOUNT,"Cost Sharing");
        //                    valid = false;
        //                }
        if (budgetLineItem != null
            && budgetLineItem.getQuantity() != null
            && budgetLineItem.getQuantity().intValue() < 0) {
          errorMap.putError(
              "budgetPeriod[" + i + "].budgetLineItem[" + j + "].quantity",
              KeyConstants.ERROR_NEGATIVE_AMOUNT,
              "Quantity");
          valid = false;
        }
        //                if (budgetLineItem!=null && budgetLineItem.getLineItemCost() != null &&
        // budgetLineItem.getLineItemCost().isNegative()) {
        //                    errorMap.putError("budgetPeriod[" + i +"].budgetLineItem[" + j +
        // "].lineItemCost", KeyConstants.ERROR_NEGATIVE_AMOUNT,"Total Base Cost");
        //                    valid = false;
        //                }
        //                if(budgetLineItem.getEndDate().compareTo(budgetLineItem.getStartDate())
        // <=0 ) {
        //
        // errorMap.putError("budgetPeriod["+i+"].budgetLineItem["+j+"].endDate",
        // KeyConstants.ERROR_LINE_ITEM_DATES);
        //                        return false;
        //                }

        j++;
      }
      i++;
    }
    return valid;
  }