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benerator is a framework for creating realistic and valid high-volume test data, used for testing (unit/integration/load) and showcase setup. Metadata constraints are imported from systems and/or configuration files. Data can imported from and exported to files and systems, anonymized or generated from scratch. Domain packages provide reusable generators for creating domain-specific data as names and addresses internationalizable in language and region. It is strongly customizable with plugins and configuration options.

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/*
 * (c) Copyright 2008-2013 by Volker Bergmann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, is permitted under the terms of the
 * GNU General Public License.
 *
 * For redistributing this software or a derivative work under a license other
 * than the GPL-compatible Free Software License as defined by the Free
 * Software Foundation or approved by OSI, you must first obtain a commercial
 * license to this software product from Volker Bergmann.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
 * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package org.databene.domain.finance;

import javax.validation.ConstraintValidatorContext;

import org.databene.commons.validator.bean.AbstractConstraintValidator;
import org.databene.domain.address.CountryCode2Validator;

/**
 * Validates IBANs.

 * 

 * Created at 12.07.2008 14:58:39
 * @since 0.5.4
 * @author Volker Bergmann
 * @see "http://en.wikipedia.org/wiki/IBAN"
 * @see "http://de.wikipedia.org/wiki/International_Bank_Account_Number"
 */
public class IBANValidator extends AbstractConstraintValidator {

	private CountryCode2Validator countryCodeValidator = new CountryCode2Validator();
	
    @Override
	public boolean isValid(String iban, ConstraintValidatorContext context) {
	    // check length
		if (iban == null || iban.length() < 15 || iban.length() > 32 )
			return false;
		// check country code
		String countryCode = iban.substring(0, 2);
		if (!countryCodeValidator.valid(countryCode))
			return false;
		// check checksum
		int checksum = IBANUtil.checksum(iban);
		return (checksum == 1);
    }

}