// Import the required classes
import com.adyen.Client;
import com.adyen.enums.Environment;
import com.adyen.service.checkout.PaymentsApi;
import com.adyen.model.checkout.*;

// Setup Client and Service
Client client = new Client("Your X-API-KEY", Environment.TEST);
PaymentsApi paymentsApi = new PaymentsApi(client);

// Create PaymentRequest 
PaymentRequest paymentRequest = new PaymentRequest();
paymentRequest.setMerchantAccount("YOUR_MERCHANT_ACCOUNT");
CardDetails cardDetails = new CardDetails();
    cardDetails.encryptedCardNumber("test_4111111111111111")
        .encryptedSecurityCode("test_737")
        .encryptedExpiryMonth("test_03")
        .encryptedExpiryYear("test_2030");
paymentRequest.setPaymentMethod(new CheckoutPaymentMethod(cardDetails));
Amount amount = new Amount().currency("EUR").value(1000L);
paymentRequest.setAmount(amount);
paymentRequest.setReference("Your order number");
paymentRequest.setReturnUrl("https://your-company.com/checkout?shopperOrder=12xy..");

// Make a call to the /payments endpoint
PaymentResponse paymentResponse = paymentsApi.payments(paymentRequest);

// Import the required classes
import com.adyen.Client;
import com.adyen.enums.Environment;
import com.adyen.service.checkout.ModificationsApi

// Setup Client and Service
Client client = new Client("Your X-API-KEY", Environment.LIVE, "Your live URL prefix");
ModificationsApi modificationsApi = new ModificationsApi(client);

...

// Import the required classes
import com.adyen.Client;
import com.adyen.enums.Environment;
import com.adyen.service.checkout.PaymentLinksApi

// Setup Client and Service
Client client = new Client("Your username", "Your password", Environment.LIVE, "Your live URL prefix", "Your application name");
PaymentLinksApi paymentLinksApi = new PaymentLinksApi(client);
 
...

// Import the required model class
import com.adyen.model.checkout.PaymentRequest;

// Deserialize using built-in function
PaymentRequest paymentRequest = PaymentRequest.fromJson("YOUR_JSON_STRING");

// Import the required classes
import java.util.List;
import com.adyen.util.HMACValidator;
import com.adyen.notification.WebhookHandler;
import com.adyen.model.notification.NotificationRequest;
import com.adyen.model.notification.NotificationRequestItem;

// YOUR_HMAC_KEY from the Customer Area
String hmacKey = "YOUR_HMAC_KEY";
String notificationRequestJson = "NOTIFICATION_REQUEST_JSON";
HMACValidator hmacValidator = new HMACValidator();

WebhookHandler webhookHandler = new WebhookHandler();
NotificationRequest notificationRequest = webhookHandler.handleNotificationJson(notificationRequestJson);

// fetch first (and only) NotificationRequestItem
var notificationRequestItem = notificationRequest.getNotificationItems().stream().findFirst();

if (notificationRequestItem.isPresent()) {
    if ( hmacValidator.validateHMAC(notificationRequestItem, hmacKey) ) {
      // Process the notification based on the eventCode
      log.info("Received webhook with event {} : \n" +
        "Merchant Reference: {}\n" +
        "Alias : {}\n" +
        "PSP reference : {}", 
        notificationRequestItem.getEventCode(), 
        notificationRequestItem.getMerchantReference(),
        notificationRequestItem.getAdditionalData().get("alias"),
        notificationRequestItem.getPspReference());
    } else {
      // Non valid NotificationRequest
	  throw new RuntimeException("Invalid HMAC signature");
    }
}

String payload = "WEBHOOK_PAYLOAD";
String signKey = "SIGNATURE_RETREIVED_FROM_CA";
String hmacKey = "HMACKEY_RETREIVED_FROM_WEBHOOK_HEADER";
HMACValidator hmacValidator = new HMACValidator();
boolean authenticity = hmacValidator.validateHMAC(hmacKey, signKey, payload);

BankingWebhookHandler webhookHandler = new BankingWebhookHandler(payload);
// onAccountHolderNotificationRequest
webhookHandler.getAccountHolderNotificationRequest().ifPresent((AccountHolderNotificationRequest event) -> {
    System.out.println(event.getData().getBalancePlatform());
});
// onBalanceAccountNotificationRequest
webhookHandler.getBalanceAccountNotificationRequest().ifPresent((BalanceAccountNotificationRequest event) -> {
    System.out.println(event.getData().getBalanceAccount());
});

ManagementWebhookHandler webhookHandler = new ManagementWebhookHandler(payload);
// onMerchantCreatedNotificationRequest
webhookHandler.getMerchantCreatedNotificationRequest().isPresent((MerchantCreatedNotificationRequest event) -> {
System.out.println(event.getData().getMerchantId());
});

...
// Import the required classes
import com.adyen.httpclient.AdyenHttpClient;
import java.net.InetSocketAddress;
import java.net.Proxy;

// Set http proxy
AdyenHttpClient adyenHttpClientWithProxy = new AdyenHttpClient();

Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("PROXY_HOST", PROXY_PORT));
adyenHttpClientWithProxy.setProxy(proxy);

client.setHttpClient(adyenHttpClientWithProxy);

System.setProperty("https.proxyHost", "129.0.0.1");
System.setProperty("https.proxyPort", "3128");
System.setProperty("https.proxyUser", "squid");
System.setProperty("https.proxyPassword", "ward");

// Import the required classes
import com.adyen.Client;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;
import java.security.KeyStore;

// Initialize a KeyManagerFactory with the client KeyStore and password
KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
keyManagerFactory.init(clientKeyStore, clientKeyStorePassword);

// Create a TrustManagerFactory that trusts the CAs in our Trust KeyStore
TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init(trustStore);

// Create an SSLContext with the desired protocol that uses our KeyManagers and TrustManagers
SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
sslContext.init(keyManagerFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null);

Client client = new Client(sslContext, apiKey);
// Use the client

Client client = new Client("Your YOUR_API_KEY", Environment.TEST);
ClassicPlatformAccountApi api = new ClassicPlatformAccountApi(client);
CreateAccountHolderRequest request = new CreateAccountHolderRequest();

try {
    api.createAccountHolder(request);
} catch (ApiException e) {
    CreateAccountHolderResponse error = CreateAccountHolderResponse.fromJson(e.getResponseBody());
    // inspect the error
    System.out.println(e.getStatusCode());
    System.out.println(error.getInvalidFields());
}

// Step 1: Import the required classes
import com.adyen.Client;
import com.adyen.enums.Environment;
import com.adyen.service.TerminalCloudAPI;
import com.adyen.model.nexo.*;
import com.adyen.model.terminal.*;

// Step 2: Initialize the client object
Client client = new Client("Your YOUR_API_KEY", Environment.TEST);

// Step 3: Initialize the API object
TerminalCloudAPI terminalCloudApi = new TerminalCloudAPI(client);

// Step 4: Create the request object
String serviceID = "123456789";
String saleID = "POS-SystemID12345";
String POIID = "Your Device Name(eg V400m-123456789)";

// Use a unique transaction for every other transaction you perform
String transactionID = "TransactionID";
TerminalAPIRequest terminalAPIRequest = new TerminalAPIRequest();
SaleToPOIRequest saleToPOIRequest = new SaleToPOIRequest();

MessageHeader messageHeader = new MessageHeader();
messageHeader.setMessageClass(MessageClassType.SERVICE);
messageHeader.setMessageCategory(MessageCategoryType.PAYMENT);
messageHeader.setMessageType(MessageType.REQUEST);
messageHeader.setProtocolVersion("3.0");
messageHeader.setServiceID(serviceID);
messageHeader.setSaleID(saleID);        
messageHeader.setPOIID(POIID);        

saleToPOIRequest.setMessageHeader(messageHeader);
        
com.adyen.model.nexo.PaymentRequest paymentRequest = new com.adyen.model.nexo.PaymentRequest();   
SaleData saleData = new SaleData();
TransactionIdentification transactionIdentification = new TransactionIdentification();
transactionIdentification.setTransactionID("001");
XMLGregorianCalendar timestamp = DatatypeFactory.newInstance().newXMLGregorianCalendar(new GregorianCalendar());
transactionIdentification.setTimeStamp(timestamp);
saleData.setSaleTransactionID(transactionIdentification);
      
SaleToAcquirerData saleToAcquirerData = new SaleToAcquirerData();
ApplicationInfo applicationInfo = new ApplicationInfo();
CommonField merchantApplication = new CommonField();
merchantApplication.setVersion("1");
merchantApplication.setName("Test");
applicationInfo.setMerchantApplication(merchantApplication);
saleToAcquirerData.setApplicationInfo(applicationInfo);
saleData.setSaleToAcquirerData(saleToAcquirerData);
      
PaymentTransaction paymentTransaction = new PaymentTransaction();
AmountsReq amountsReq = new AmountsReq();
amountsReq.setCurrency("EUR");
amountsReq.setRequestedAmount(BigDecimal.valueOf(1000));
paymentTransaction.setAmountsReq(amountsReq);
    
paymentRequest.setPaymentTransaction(paymentTransaction);
paymentRequest.setSaleData(saleData);

saleToPOIRequest.setPaymentRequest(paymentRequest);
  
terminalAPIRequest.setSaleToPOIRequest(saleToPOIRequest);

// Step 5: Make the request
TerminalAPIResponse terminalAPIResponse = terminalCloudApi.sync(terminalAPIRequest);

TerminalAPIRequest terminalAPIRequest = new TerminalAPIRequest();
SaleToPOIRequest saleToPOIRequest = new SaleToPOIRequest();

MessageHeader messageHeader = new MessageHeader();
messageHeader.setMessageClass(MessageClassType.SERVICE);
messageHeader.setMessageCategory(MessageCategoryType.ABORT);
messageHeader.setMessageType(MessageType.REQUEST);
messageHeader.setProtocolVersion("3.0");
messageHeader.setServiceID("Different service ID");
messageHeader.setSaleID(saleID);        
messageHeader.setPOIID(POIID);

AbortRequest abortRequest = new AbortRequest();
abortRequest.setAbortReason("MerchantAbort");
MessageReference messageReference = new MessageReference();
messageReference.setMessageCategory(MessageCategoryType.PAYMENT);
messageReference.setSaleID(saleID);
messageReference.setPOIID(POIID);
// Service ID of the payment you're aborting
messageReference.setServiceID(serviceID);
abortRequest.setMessageReference(messageReference);

saleToPOIRequest.setAbortRequest(abortRequest);
saleToPOIRequest.setMessageHeader(messageHeader);

terminalAPIRequest.setSaleToPOIRequest(saleToPOIRequest);

TerminalAPIResponse terminalAPIResponse = terminalCloudApi.sync(terminalAPIRequest);

TerminalAPIRequest terminalAPIRequest = new TerminalAPIRequest();
SaleToPOIRequest saleToPOIRequest = new SaleToPOIRequest();

MessageHeader messageHeader = new MessageHeader();
messageHeader.setMessageClass(MessageClassType.SERVICE);
messageHeader.setMessageCategory(MessageCategoryType.TRANSACTION_STATUS);
messageHeader.setMessageType(MessageType.REQUEST);
messageHeader.setProtocolVersion("3.0");
messageHeader.setServiceID("Different service ID");
messageHeader.setSaleID(saleID);        
messageHeader.setPOIID(POIID);

TransactionStatusRequest transactionStatusRequest = new TransactionStatusRequest();
transactionStatusRequest.setReceiptReprintFlag(true);
transactionStatusRequest.getDocumentQualifier().add(DocumentQualifierType.CASHIER_RECEIPT);
transactionStatusRequest.getDocumentQualifier().add(DocumentQualifierType.CUSTOMER_RECEIPT);
MessageReference messageReference = new MessageReference();
messageReference.setMessageCategory(MessageCategoryType.PAYMENT);
messageReference.setSaleID(saleID);
// serviceID of the transaction you want the status update from
messageReference.setServiceID(serviceID);
transactionStatusRequest.setMessageReference(messageReference);

saleToPOIRequest.setTransactionStatusRequest(transactionStatusRequest);
saleToPOIRequest.setMessageHeader(messageHeader);

terminalAPIRequest.setSaleToPOIRequest(saleToPOIRequest);

TerminalAPIResponse terminalAPIResponse = terminalCloudApi.sync(terminalAPIRequest);

// Import the required classes
import com.adyen.Client;
import com.adyen.Config;
import com.adyen.enums.Environment;
import com.adyen.httpclient.TerminalLocalAPIHostnameVerifier;
import com.adyen.service.TerminalLocalAPI;
import com.adyen.model.terminal.security.*;
import com.adyen.model.terminal.*;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;
import java.security.KeyStore;
import java.security.SecureRandom;

// Create a KeyStore for the terminal certificate
KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
keyStore.load(null, null);
keyStore.setCertificateEntry("adyenRootCertificate", adyenRootCertificate);

// Create a TrustManagerFactory that trusts the CAs in our KeyStore
TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init(keyStore);

// Create an SSLContext with the desired protocol that uses our TrustManagers
SSLContext sslContext = SSLContext.getInstance("SSL");
sslContext.init(null, trustManagerFactory.getTrustManagers(), new SecureRandom());

// Configure a client for TerminalLocalAPI
Config config = new Config();
config.setEnvironment(environment);
config.setTerminalApiLocalEndpoint("https://" + terminalIpAddress);
config.setSSLContext(sslContext);
config.setHostnameVerifier(new TerminalLocalAPIHostnameVerifier(environment));
Client client = new Client(config);

// Create your SecurityKey object used for encrypting the payload (keyIdentifier/passphrase you set up beforehand in CA)
SecurityKey securityKey = new SecurityKey();
securityKey.setKeyVersion(1);
securityKey.setAdyenCryptoVersion(1);
securityKey.setKeyIdentifier("keyIdentifier");
securityKey.setPassphrase("passphrase");

// Use TerminalLocalAPI
TerminalLocalAPI terminalLocalAPI = new TerminalLocalAPI(client, securityKey);
TerminalAPIResponse terminalAPIResponse = terminalLocalAPI.request(terminalAPIRequest);

// Step 1: Import the required classes
import com.adyen.service.TerminalLocalAPIUnencrypted;
import com.adyen.model.nexo.*;
import com.adyen.model.terminal.*;
import javax.net.ssl.SSLContext;

// Step 2: Add your Certificate Path and Local Endpoint to the config path.
Client client = new Client();
client.getConfig().setTerminalApiLocalEndpoint("The IP of your terminal (eg https://192.168.47.169)");
client.getConfig().setEnvironment(Environment.TEST);

// Optionally: verify the certificate, the library will ignore this validation when set to null (!!)
client.getConfig().setSSLContext(sslContext);

// Step 3 Initialize the client and the API objects;
TerminalLocalAPIUnencrypted terminalLocalAPIUnencrypted = new TerminalLocalAPIUnencrypted(client);

// Step 4: Create the request object
TerminalAPIRequest terminalAPIPaymentRequest = ///....same as the one used in the other examples;

// Step 5: Make the request
TerminalAPIResponse terminalAPIResponse = terminalLocalAPIUnencrypted.request(terminalAPIPaymentRequest);