emptyStringIfNull(merchantKey), emptyStringIfNull(CreditCard.getFullName(creditCard.getFirstName(), creditCard.getLastName())), emptyStringIfNull(getStreetAddress(creditCard.getStreetAddress1(), creditCard.getStreetAddress2())), emptyStringIfNull(creditCard.getCity()), emptyStringIfNull(creditCard.getState()), emptyStringIfNull(creditCard.getFax()), emptyStringIfNull(CreditCard.getFullName(transactionRequest.getShippingFirstName(), transactionRequest.getShippingLastName())), emptyStringIfNull(getStreetAddress(transactionRequest.getShippingStreetAddress1(), transactionRequest.getShippingStreetAddress2())), emptyStringIfNull(transactionRequest.getShippingCity()), emptyStringIfNull(transactionRequest.getShippingState()), emptyStringIfNull(merchantKey), emptyStringIfNull(CreditCard.getFullName(creditCard.getFirstName(), creditCard.getLastName())), emptyStringIfNull(getStreetAddress(creditCard.getStreetAddress1(), creditCard.getStreetAddress2())), emptyStringIfNull(creditCard.getCity()), emptyStringIfNull(creditCard.getState()), emptyStringIfNull(creditCard.getFax()), emptyStringIfNull(CreditCard.getFullName(transactionRequest.getShippingFirstName(), transactionRequest.getShippingLastName())), emptyStringIfNull(getStreetAddress(transactionRequest.getShippingStreetAddress1(), transactionRequest.getShippingStreetAddress2())), emptyStringIfNull(transactionRequest.getShippingCity()), emptyStringIfNull(transactionRequest.getShippingState()), emptyStringIfNull(merchantKey), emptyStringIfNull(CreditCard.getFullName(creditCard.getFirstName(), creditCard.getLastName())), emptyStringIfNull(getStreetAddress(creditCard.getStreetAddress1(), creditCard.getStreetAddress2())), emptyStringIfNull(creditCard.getCity()), emptyStringIfNull(creditCard.getState()),