spring-boot-realworld-examp.../src/main/java/io/spring/application/user/DuplicatedUsernameConstrain...
2021-03-16 17:17:06 +08:00

17 lines
469 B
Java

package io.spring.application.user;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import javax.validation.Constraint;
import javax.validation.Payload;
@Constraint(validatedBy = DuplicatedUsernameValidator.class)
@Retention(RetentionPolicy.RUNTIME)
@interface DuplicatedUsernameConstraint {
String message() default "duplicated username";
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
}