Double amount = option.getDouble("amount");
if (amount == null) {
amount = 0.0;
}
if ("GOOGLE_FLAT_RATE".equals(option.getString("methodTypeEnumId"))) {
req.addFlatRateShippingMethod(shippingName, amount.floatValue());
} else if ("GOOGLE_MERCHANT_CALC".equals(option.getString("methodTypeEnumId"))) {
req.addMerchantCalculatedShippingMethod(shippingName, amount.floatValue());
} else if ("GOOGLE_PICKUP".equals(option.getString("methodTypeEnumId"))) {
req.addPickupShippingMethod(shippingName, amount.floatValue());
} else if ("GOOGLE_CARRIER_CALC".equals(option.getString("methodTypeEnumId"))) {