CurrencyEmpty.java

package sample.model.constraints;

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

import java.lang.annotation.*;

import javax.validation.*;
import javax.validation.constraints.*;

/**
 * 通貨を表現する制約注釈。
 */
@Documented
@Constraint(validatedBy = {})
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@ReportAsSingleViolation
@Size
@Pattern(regexp = "")
public @interface CurrencyEmpty {
    String message() default "{error.domain.currency}";

    Class<?>[] groups() default {};

    Class<? extends Payload>[] payload() default {};

    @OverridesAttribute(constraint = Size.class, name = "max")
    int max() default 3;

    @OverridesAttribute(constraint = Pattern.class, name = "regexp")
    String regexp() default "^[a-zA-Z]{3}$";

    @Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
    @Retention(RUNTIME)
    @Documented
    public @interface List {
        CurrencyEmpty[] value();
    }
}