net.leadware.persistence.tools.api.validator.jsr303ext.PastRule Maven / Gradle / Ivy

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 net.leadware.persistence.tools.api.validator.jsr303ext;

import java.util.Calendar;
import java.util.Date;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

import net.leadware.persistence.tools.api.validator.jsr303ext.annotations.Past;


/**
 * Classe implementant la regle de validation controlant que la valeur d'une date
 * se trouve dans le passé
 * @author Jean-Jacques ETUNÈ NGI
 */
public class PastRule implements ConstraintValidator {
		
	/*
	 * (non-Javadoc)
	 * @see javax.validation.ConstraintValidator#initialize(java.lang.annotation.Annotation)
	 */
	@Override
	public void initialize(Past annotation) {}

	/*
	 * (non-Javadoc)
	 * @see javax.validation.ConstraintValidator#isValid(java.lang.Object, javax.validation.ConstraintValidatorContext)
	 */
	@Override
	public boolean isValid(Object value, ConstraintValidatorContext constraintContext) {

		// Si l'objet est null
		if(value == null) return false;
		
		// Si on a un Calendar
		if(value instanceof Calendar) {
			
			// On caste
			Calendar calendar = (Calendar) value;
			
			// On évalue
			return calendar.getTime().before(new Date());
		}

		// Si on a un Date
		if(value instanceof Date) {
			
			// On caste
			Date date = (Date) value;
			
			// On évalue
			return date.before(new Date());
		}
		
		// Si l'objet n'est pas de type date (On l'ignore en retournant true - Comme s'il n'ya eu aucun test)
		return true;
	}
}