private void appendPeriodicPurchaseInfo(StringBuilder req, PeriodicPurchaseInfo periodicPurchaseInfo) { if (periodicPurchaseInfo.getPerPaymentAmount() >= 0) { this.appendAmount(req,periodicPurchaseInfo.getPerPaymentAmount()); } if (periodicPurchaseInfo.getState() != null) { this.appendPeriodicPurchaseState(req, periodicPurchaseInfo.getState()); } if (periodicPurchaseInfo.getSchedule() != null) { this.appendPeriodicPurchaseSchedule(req, periodicPurchaseInfo.getSchedule()); } if (periodicPurchaseInfo.getOrderId() != null) { this.appendOrderId(req, periodicPurchaseInfo.getOrderId()); } if (periodicPurchaseInfo.getCustomerId() != null) { this.appendParam(req, "customerId", periodicPurchaseInfo.getCustomerId()); } if (periodicPurchaseInfo.getStartDate() != DateTime.MinValue) { this.appendStartDate(req, periodicPurchaseInfo.getStartDate()); } if (periodicPurchaseInfo.getEndDate() != DateTime.MinValue) { this.appendEndDate(req, periodicPurchaseInfo.getEndDate()); } if (periodicPurchaseInfo.getNextPaymentDate() != DateTime.MinValue) { this.appendNextPaymentDate(req, periodicPurchaseInfo.getNextPaymentDate()); } if (periodicPurchaseInfo.getExecutionType() != null) { this.appendParam(req, "periodicPurchaseExecutionType", periodicPurchaseInfo.getExecutionType()); } }