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package io.dropwizard.validation;

import javax.validation.Constraint;
import javax.validation.Payload;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * A constraint that allows one to specify a port range, but still allow 0 as the port value to
 * indicate dynamically allocated ports.
 *
 */
@Target({ METHOD, FIELD, ANNOTATION_TYPE })
@Retention(RUNTIME)
@Constraint(validatedBy = PortRangeValidator.class)
@Documented
public @interface PortRange {
    int min() default 1;

    int max() default 65535;

    String message() default "{org.hibernate.validator.constraints.Range.message}";

    Class[] groups() default {};

    Class[] payload() default {};
}