使用javax.validation约束或注释进行信用卡到期日验证
我有一个RESTAPI,它将信用卡信息作为输入并进行处理。我正在使用各种javax.validation注释,例如@NotNull来验证强制数据 如何验证信用卡的有效期 注意:信用卡到期日不包含日期。它只包含月份和年份。示例:12/17,这意味着该卡将于2107年12月到期使用javax.validation约束或注释进行信用卡到期日验证,java,rest,validation,constraints,javax,Java,Rest,Validation,Constraints,Javax,我有一个RESTAPI,它将信用卡信息作为输入并进行处理。我正在使用各种javax.validation注释,例如@NotNull来验证强制数据 如何验证信用卡的有效期 注意:信用卡到期日不包含日期。它只包含月份和年份。示例:12/17,这意味着该卡将于2107年12月到期 public class CreditCardData { @NotNull private Long cardNo @NotNull //WHAT ANNOTATION SHOULD I
public class CreditCardData {
@NotNull
private Long cardNo
@NotNull
//WHAT ANNOTATION SHOULD I PUT HERE SO THAT IT IS FUTURE DATE ?????
//WILL CONTAIN ONLY MON/YY, EXAMPLE: 12/17
private String expiryDate
}
我不知道有什么现成的注释可以验证卡的过期,但是创建自己的注释非常容易 创建注释:
@Target({ METHOD, FIELD, PARAMETER })
@Retention(RUNTIME)
@Constraint(validatedBy = CardExpirationValidator.class)
public static @interface CardExpiration {
String message() default "Expiration invalid";
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
}
现在,您可以像这样注释参数和字段:
public static class CardExpirationValidator implements ConstraintValidator<CardExpiration, String> {
@Override
public void initialize(CardExpiration annotation) {
//Not much to do - this is invoked before "isValid", and can be used to pass annotation parameters
}
@Override
public boolean isValid(String value, ConstraintValidatorContext context) {
//Insert validation logic for "value" here. Return true/false
}
}
public class CreditCardData {
@NotNull
private Long cardNo;
@NotNull
@CardExpiration
private String expiryDate;
}
请参阅有关此主题的文档。我不知道有现成的注释可以验证卡的过期,但创建自己的注释非常容易 创建注释:
@Target({ METHOD, FIELD, PARAMETER })
@Retention(RUNTIME)
@Constraint(validatedBy = CardExpirationValidator.class)
public static @interface CardExpiration {
String message() default "Expiration invalid";
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
}
现在,您可以像这样注释参数和字段:
public static class CardExpirationValidator implements ConstraintValidator<CardExpiration, String> {
@Override
public void initialize(CardExpiration annotation) {
//Not much to do - this is invoked before "isValid", and can be used to pass annotation parameters
}
@Override
public boolean isValid(String value, ConstraintValidatorContext context) {
//Insert validation logic for "value" here. Return true/false
}
}
public class CreditCardData {
@NotNull
private Long cardNo;
@NotNull
@CardExpiration
private String expiryDate;
}
有关此主题,请参阅的文档