ValidationConstraintValidator.java

/*
 * Copyright (c) 2012 Data Harmonisation Panel
 * 
 * All rights reserved. This program and the accompanying materials are made
 * available under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     HUMBOLDT EU Integrated Project #030962
 *     Data Harmonisation Panel <http://www.dhpanel.eu>
 */
package eu.esdihumboldt.hale.common.instancevalidator.validators;

import eu.esdihumboldt.hale.common.instance.extension.validation.InstanceValidationContext;
import eu.esdihumboldt.hale.common.instance.extension.validation.TypeConstraintValidator;
import eu.esdihumboldt.hale.common.instance.extension.validation.ValidationException;
import eu.esdihumboldt.hale.common.instance.model.Instance;
import eu.esdihumboldt.hale.common.schema.model.TypeConstraint;
import eu.esdihumboldt.hale.common.schema.model.constraint.type.ValidationConstraint;

/**
 * Validator for {@link ValidationConstraint}.
 * 
 * @author Kai Schwierczek
 */
public class ValidationConstraintValidator implements TypeConstraintValidator {

	// ValidationConstraint includes all information which is included in
	// Enumeration, too.
	// So Enumeration does not need an own validator.

	@Override
	public void validateTypeConstraint(Instance instance, TypeConstraint constraint,
			InstanceValidationContext context) throws ValidationException {
		String result = ((ValidationConstraint) constraint).getValidator().validate(
				instance.getValue());
		if (result != null)
			throw new ValidationException("Validation of the value (" + instance.getValue()
					+ ") failed: " + result);
	}
}