PostPaymentRequest.java

package com.checkout.payment.gateway.model;

import com.checkout.payment.gateway.validation.ValidExpiryDate;
import com.fasterxml.jackson.annotation.JsonProperty;
import jakarta.validation.constraints.Max;
import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.NotNull;
import jakarta.validation.constraints.Pattern;
import jakarta.validation.constraints.Positive;
import jakarta.validation.constraints.Size;
import lombok.Builder;
import lombok.Data;
import java.io.Serializable;

@Data
@Builder
@ValidExpiryDate(message = "expiry_month, expiry_year: Expiry date should be in the future")
public class PostPaymentRequest implements Serializable {

  @NotNull(message = "card_number: Card Number is required")
  @Size(min = 14, max = 19, message = "card_number: Size must be between 14 and 19")
  @Pattern(regexp = "\\d+", message = "card_number: Card number should contain only digits")
  @JsonProperty("card_number")
  private String cardNumber;

  @NotNull(message = "expiry_month: Expiry month is required")
  @Min(value = 1, message = "expiry_month: Month must be between 1 and 12")
  @Max(value = 12, message = "expiry_month: Month must be between 1 and 12")
  @JsonProperty("expiry_month")
  private Integer expiryMonth;

  @NotNull(message = "expiry_year: Expiry year is required")
  @JsonProperty("expiry_year")
  private Integer expiryYear;

  @NotNull(message = "currency: Currency is required")
  @Size(min = 3, max = 3, message = "currency: Size must be 3")
  @Pattern(regexp = "^[A-Z]+$", message = "currency: Currency should contain only capital letters; Refer to ISO code list: https://www.xe.com/currency/")
  private String currency;

  @NotNull(message = "amount: Amount is required")
  @Positive
  private Integer amount;

  @NotNull(message = "cvv: CVV is required")
  @Size(min = 3, max = 4, message = "cvv: Size must be between 3 and 4")
  @Pattern(regexp = "\\d+", message = "cvv: CVV should contain only digits")
  private String cvv;

}