org.hibernate.validator.constraints.NotEmpty Maven / Gradle / Ivy

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/*
 * Hibernate Validator, declare and validate application constraints
 *
 * License: Apache License, Version 2.0
 * See the license.txt file in the root directory or .
 */
package org.hibernate.validator.constraints;

import javax.validation.Constraint;
import javax.validation.Payload;
import javax.validation.ReportAsSingleViolation;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import javax.validation.constraintvalidation.SupportedValidationTarget;
import javax.validation.constraintvalidation.ValidationTarget;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

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

/**
 * Asserts that the annotated string, collection, map or array is not {@code null} or empty.
 *
 * @author Emmanuel Bernard
 * @author Hardy Ferentschik
 */
@Documented
@Constraint(validatedBy = { })
@SupportedValidationTarget(ValidationTarget.ANNOTATED_ELEMENT)
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@ReportAsSingleViolation
@NotNull
@Size(min = 1)
public @interface NotEmpty {
	String message() default "{org.hibernate.validator.constraints.NotEmpty.message}";

	Class[] groups() default { };

	Class[] payload() default { };

	/**
	 * Defines several {@code @NotEmpty} annotations on the same element.
	 */
	@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
	@Retention(RUNTIME)
	@Documented
	public @interface List {
		NotEmpty[] value();
	}
}