import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class PaymentClient {
public static void main(String[] args) {
// Parse command-line arguments
if (args.length != 2) {
System.out.println("Usage: PaymentClient <csv file> <payment service endpoint>");
return;
}
String csvFile = args[0];
String endpoint = args[1];
// Read CSV file and create list of payment objects
List<Payment> payments = new ArrayList<>();
try (BufferedReader reader = new BufferedReader(new FileReader(csvFile))) {
String line;
while ((line = reader.readLine()) != null) {
String[] fields = line.split(",");
String recipient = fields[0];
double amount = Double.parseDouble(fields[1]);
Payment payment = new Payment(recipient, amount);
payments.add(payment);
}
} catch (IOException e) {
System.out.println("Error reading CSV file: " + e.getMessage());
return;
}
// Make payments through payment service
for (Payment payment : payments) {
try {
PaymentResponse response = makePayment(endpoint, payment);
System.out.println("Payment to " + payment.getRecipient() + " succeeded: " + response.isSuccess());
} catch (IOException e) {
System.out.println("Error making payment to " + payment.getRecipient() + ": " + e.getMessage());
}
}
}
private static PaymentResponse makePayment(String endpoint, Payment payment) throws IOException {
// Send HTTP request to payment service endpoint with payment details
// and return response
}
}
class Payment {
private String recipient;
private double amount;
public Payment(String recipient, double amount) {
this.recipient = recipient;
this.amount = amount;
}
public String getRecipient() {
return recipient;
}
public double getAmount() {
return amount;
}
}
class PaymentResponse {
private boolean success;
public PaymentResponse(boolean success) {
this.success = success;
}
public boolean isSuccess() {
return success;
}
}