AssertTrue.java :  » GWT » gwt-validation » javax » validation » constraints » Java Open Source

// $Id: AssertTrue.java 17620 2009-10-04 19:19:28Z hardy.ferentschik $
/*
* JBoss, Home of Professional Open Source
* Copyright 2009, Red Hat, Inc. and/or its affiliates, 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.Payload;

/**
 * The annotated element must be true.
 * Supported types are <code>boolean</code> and <code>Boolean</code>
 * <p/>
 * <code>null</code> elements are considered valid.
 *
 * @author Emmanuel Bernard
 */
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@Documented
@Constraint(validatedBy = {})
public @interface AssertTrue {
  String message() default "{javax.validation.constraints.AssertTrue.message}";

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

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

  /**
   * Defines several <code>@AssertTrue</code> annotations on the same element
   * @see AssertTrue
   *
   * @author Emmanuel Bernard
   */
  @Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
  @Retention(RUNTIME)
  @Documented
  @interface List {
    AssertTrue[] value();
  }
}