关于Braintree支付网关和Java的集成

我是支付网关集成的新手。我需要将Braintree Payment Gateway与JSF应用程序集成。 有人可以展示我的java类和示例付款页面的基本示例。 我看到一些客户端令牌如何生成它。 我写了一个示例类和页面，如下所示，但我可以做，因为我不明白。

页 

 
 
  
   // We generated a client token for you so you can test out this code // immediately. In a production-ready integration, you will need to // generate a client token on your server (see section below). var clientToken = "sZWQiOmZhbHNlLCJtZXJjaGFudElkIjoiMzQ4cGs5Y2dmM2JneXcyYiIsInZlbm1vIjoib2ZmIn0="; braintree.setup(clientToken, "dropin", { container : "payment-form" });

类 

 import spark.Request; import spark.Response; import spark.Route; import com.braintreegateway.BraintreeGateway; import com.braintreegateway.Environment; public class BrainTreeController { private static BraintreeGateway gateway = new BraintreeGateway( Environment.SANDBOX, "your_merchant_id", "your_public_key", "your_private_key" ); post(new Route("/client_token") { @Override public Object handle(Request request, Response response) { return gateway.clientToken().generate(); } }); }

我在post中收到错误 

 Syntax error on token "post", @ expected before this token

从Braintree Java SDK实现中查看以下示例。 根据要求将其集成到您的项目中： 

 public class BrainTreeImplementation { private static Logger logger = Logger.getLogger(BrainTreeImplementation.class.getName()); // Below are the Braintree sandbox credentials private static BraintreeGateway gateway = null; private static String publicKey = "YOUR_PUBLIC_KEY"; private static String privateKey = "YOUR_PRIVATE_KEY"; private static String merchantId= "YOUR_MERCHANT_ID"; public static void main(String[] args) { // Initialize Braintree Connection gateway = connectBraintreeGateway(); braintreeProcessing(); } public static void braintreeProcessing() { System.out.println(" ----- BrainTree Implementation Starts --- "); // Generate client Token String clientToken = generateClientToken(); System.out.println(" Client Token : " +clientToken); // Receive payment method nonce String nonceFromTheClient = receivePaymentMethodNonce(); // Do payment transactions BigDecimal amount = new BigDecimal("5.10"); doPaymentTransaction(nonceFromTheClient, amount); } // Connect to Braintree Gateway. public static BraintreeGateway connectBraintreeGateway() { BraintreeGateway braintreeGateway = new BraintreeGateway( Environment.SANDBOX, merchantId, publicKey, privateKey); return braintreeGateway; } // Make an endpoint which return client token. public static String generateClientToken() { // client token will be generated at server side and return to client String clientToken = gateway.clientToken().generate(); return clientToken; } // Make an endpoint which receive payment method nonce from client and do payment. public static String receivePaymentMethodNonce() { String nonceFromTheClient = "fake-valid-mastercard-nonce"; return nonceFromTheClient; } // Make payment public void String doPaymentTransaction(String paymentMethodNonce, BigDecimal amount) { TransactionRequest request = new TransactionRequest(); request.amount(amount); request.paymentMethodNonce(paymentMethodNonce); CustomerRequest customerRequest = request.customer(); customerRequest.email("cpatel@gmail.com"); customerRequest.firstName("Chirag"); customerRequest.lastName("Patel"); TransactionOptionsRequest options = request.options(); options.submitForSettlement(true); // Done the transaction request options.done(); // Create transaction ... Result result = gateway.transaction().sale(request); boolean isSuccess = result.isSuccess(); if (isSuccess) { Transaction transaction = result.getTarget(); displayTransactionInfo(transaction); } else { ValidationErrors errors = result.getErrors(); validationError(errors); } } private static void displayTransactionInfo(Transaction transaction) { System.out.println(" ------ Transaction Info ------ "); System.out.println(" Transaction Id : " +transaction.getId()); System.out.println(" Processor Response Text : " +transaction.getProcessorResponseText()); } private static void validationError(ValidationErrors errors) { List error = errors.getAllDeepValidationErrors(); for (ValidationError er : error) { System.out.println(" error code : " + er.getCode()); System.out.println(" error message : " + er.getMessage()); } } }
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