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JSR-000372: JavaServer(TM) Faces 2.3 API
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/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package javax.faces.validator;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.annotation.Inherited;
import javax.inject.Qualifier;

/**
 * The
 * presence of this annotation on a
 * class automatically registers the class with the runtime as a {@link
 * Validator}.  The value of the {@link #value} attribute is taken to be
 * the validator-id and the fully qualified class name of the
 * class to which this annotation is attached is taken to be the
 * validator-class.  The implementation must guarantee that for
 * each class annotated with FacesValidator, found with the
 * algorithm in section JSF.11.5,
 * {@link
 * javax.faces.application.Application#addValidator(java.lang.String,java.lang.String)}
 * is called, passing the derived validator-id as the first
 * argument and the derived validator-class as the second
 * argument.  The implementation must guarantee that all such calls to
 * addValidator() happen during application startup time
 * and before any requests are serviced.
 *
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@Inherited
@Qualifier
public @interface FacesValidator {

    /**
     * The value of this annotation
     * attribute is taken to be the validator-id with which
     * instances of this class of component can be instantiated by
     * calling {@link
     * javax.faces.application.Application#createValidator(java.lang.String)}.
     * If no value is specified, or the value is
     * null, the value is taken to be the return of calling
     * getSimpleName on the class to which this annotation
     * is attached and lowercasing the first character.  If more than one
     * validator with this derived name is found, the results are undefined.
     *
     * @return the validator-id
     */ 

    String value() default "";

    /**
     * If true, the validator
     * id for this annotation is added to the list of default validators
     * by a call to {@link
     * javax.faces.application.Application#addDefaultValidatorId}.
     *
     * @return whether or not this is a default validator
     */ 

    boolean isDefault() default false;


    /**
     * The value of this annotation attribute is
     * taken to be an indicator that flags whether or not the given converter
     * is a CDI managed converter. 
     * 
     * @return true if CDI managed, false otherwise.
     */
    
    boolean managed() default false;
}