1 /*
2 * (c) Copyright 2006-2020 by rapiddweller GmbH & Volker Bergmann. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, is permitted under the terms of the
6 * GNU General Public License.
7 *
8 * For redistributing this software or a derivative work under a license other
9 * than the GPL-compatible Free Software License as defined by the Free
10 * Software Foundation or approved by OSI, you must first obtain a commercial
11 * license to this software product from rapiddweller GmbH & Volker Bergmann.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
14 * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
15 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
17 * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 package com.rapiddweller.domain.finance;
28
29 import com.rapiddweller.common.validator.bean.AbstractConstraintValidator;
30 import com.rapiddweller.domain.address.CountryCode2Validator;
31
32 import javax.validation.ConstraintValidatorContext;
33
34 /**
35 * Validates IBANs.<br/>
36 * <br/>
37 * Created at 12.07.2008 14:58:39
38 *
39 * @author Volker Bergmann
40 * @see "http://en.wikipedia.org/wiki/IBAN"
41 * @see "http://de.wikipedia.org/wiki/International_Bank_Account_Number"
42 * @since 0.5.4
43 */
44 public class IBANValidator extends AbstractConstraintValidator<IBAN, String> {
45
46 private final CountryCode2Validator countryCodeValidator =
47 new CountryCode2Validator();
48
49 @Override
50 public boolean isValid(String iban, ConstraintValidatorContext context) {
51 // check length
52 if (iban == null || iban.length() < 15 || iban.length() > 32) {
53 return false;
54 }
55 // check country code
56 String countryCode = iban.substring(0, 2);
57 if (!countryCodeValidator.valid(countryCode)) {
58 return false;
59 }
60 // check checksum
61 int checksum = IBANUtil.checksum(iban);
62 return (checksum == 1);
63 }
64
65 }