net.leadware.bean.validation.ext.engine.file.AuthorizedValuesRule 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.bean.validation.ext.engine.file;

/*-
 * #%L
 * JSR 303 Extentions Tools
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2019 Leadware
 * %%
 * 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.
 * #L%
 */

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

import net.leadware.bean.validation.ext.annotations.general.AuthorizedValues;

/**
 * Classe implementant la regle de validation contrôlant que la valeur d'une propriété correspond à une valeur d'une liste donnée 
 * @author Jean-Jacques ETUNE NGI (Leadware Enterprise Architect)
 * @since 31 janv. 2018 - 14:28:57
 */
public class AuthorizedValuesRule implements ConstraintValidator {

	/**
	 * Liste des Valeurs permises
	 */
	private String[] values = new String[]{};
	
	/**
	 * Etat de prise en compte de la casse
	 */
	private boolean caseSensitive = false;
	
	/*
	 * (non-Javadoc)
	 * @see javax.validation.ConstraintValidator#initialize(java.lang.annotation.Annotation)
	 */
	@Override
	public void initialize(AuthorizedValues annotation) {
		
		// Si l'annotation est nulle : on sort
		if(annotation == null) return;
		
		// Obtention de la liste
		String[] annotationValues = annotation.values();
		
		// Si la liste de l'annotation est vide : on sort
		if(annotationValues == null || annotationValues.length == 0) return;
		
		// On affecte la liste de valeurs
		values = annotationValues;
		
		// On affecte l'état de prise en compte de la casse
		caseSensitive = annotation.caseSensitive();
	}

	/*
	 * (non-Javadoc)
	 * @see javax.validation.ConstraintValidator#isValid(java.lang.Object, javax.validation.ConstraintValidatorContext)
	 */
	@Override
	public boolean isValid(Object value, ConstraintValidatorContext constraintContext) {
		
		// Si la liste des valeurs permisse est vide : true
		if(values == null || values.length == 0) return true;
		
		// Si l'objet est null : false
		if(value == null) return false;
		
		// Si l'objet est une chaine
		if(value instanceof String) {

			// On caste
			String stringValue = ((String) value).trim();
			
			// Si la chaîne est vide : false
			if(stringValue.length() == 0) return false;
			
			// Si on compare avec casse
			if(caseSensitive) {

				// On recherche la valeur
				for (String authValue : values) {
					
					// Si la valeur est hors des valeurs prescrites
					if(!stringValue.equals(authValue.trim())) return false;
				}
				
			} else {

				// On recherche la valeur
				for (String authValue : values) {
					
					// Si la valeur est hors des valeurs prescrites
					if(!stringValue.equalsIgnoreCase(authValue.trim())) return false;
				}
			}
			
		} else {

			// On recherche la valeur
			for (Object authValue : values) {
				
				// Si la valeur est hors des valeurs prescrites
				if(!value.equals(authValue)) return false;
			}
			
		}
		
		// On retourne false
		return true;
	}
}