javax.validation.constraints.Null Maven / Gradle / Ivy
// $Id: Null.java 16991 2009-07-02 12:39:38Z epbernard $
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* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package javax.validation.constraints;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Target;
import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.ElementType.PARAMETER;
import javax.validation.Constraint;
import javax.validation.ConstraintPayload;
/**
* The annotated element must be null.
* Accepts any type.
*
* @author Emmanuel Bernard
*/
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@Documented
@Constraint(validatedBy = {})
public @interface Null {
String message() default "{javax.validation.constraints.Null.message}";
Class[] groups() default { };
Class[] payload() default {};
/**
* Defines several @Null annotations on the same element
* @see javax.validation.constraints.Null
*
* @author Emmanuel Bernard
*/
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@Documented
@interface List {
Null[] value();
}
}