diff options
Diffstat (limited to 'id/moa-id-webgui/src/main/java/at/gv/egovernment/moa/id/config/webgui/validation/utils/CompanyNumberValidator.java')
-rw-r--r-- | id/moa-id-webgui/src/main/java/at/gv/egovernment/moa/id/config/webgui/validation/utils/CompanyNumberValidator.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/id/moa-id-webgui/src/main/java/at/gv/egovernment/moa/id/config/webgui/validation/utils/CompanyNumberValidator.java b/id/moa-id-webgui/src/main/java/at/gv/egovernment/moa/id/config/webgui/validation/utils/CompanyNumberValidator.java new file mode 100644 index 000000000..b9eb76857 --- /dev/null +++ b/id/moa-id-webgui/src/main/java/at/gv/egovernment/moa/id/config/webgui/validation/utils/CompanyNumberValidator.java @@ -0,0 +1,78 @@ +/******************************************************************************* + * Copyright 2014 Federal Chancellery Austria + * MOA-ID has been developed in a cooperation between BRZ, the Federal + * Chancellery Austria - ICT staff unit, and Graz University of Technology. + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://www.osor.eu/eupl/ + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + *******************************************************************************/ +package at.gv.egovernment.moa.id.config.webgui.validation.utils; + +import org.apache.commons.lang.StringUtils; + +import at.gv.egovernment.moa.id.commons.config.MOAIDConfigurationConstants; + +public class CompanyNumberValidator implements IdentificationNumberValidator { + + public boolean validate(String commercialRegisterNumber) { + + String normalizedNumber = commercialRegisterNumber.replaceAll(" ", ""); + if(normalizedNumber.startsWith(MOAIDConfigurationConstants.IDENIFICATIONTYPE_FN)) + normalizedNumber = normalizedNumber.substring(2); + + return checkCommercialRegisterNumber(normalizedNumber); + } + + private boolean checkCommercialRegisterNumber(String commercialRegisterNumber) { + if (commercialRegisterNumber == null) { + return false; + } + commercialRegisterNumber = StringUtils.leftPad(commercialRegisterNumber, 7, + '0'); + if (!commercialRegisterNumber.matches("\\d{6}[abdfghikmpstvwxzy]")) { + return false; + } + String digits = commercialRegisterNumber.substring(0, + commercialRegisterNumber.length() - 1); + char checkDigit = commercialRegisterNumber.charAt(commercialRegisterNumber + .length() - 1); + boolean result = calcCheckDigitFromCommercialRegisterNumber(digits) == checkDigit; + return result; + } + + public static char calcCheckDigitFromCommercialRegisterNumber( + String commercialRegisterDigits) { + final int[] WEIGHT = { 6, 4, 14, 15, 10, 1 }; + final char[] CHECKDIGIT = { 'a', 'b', 'd', 'f', 'g', 'h', 'i', 'k', 'm', + 'p', 's', 't', 'v', 'w', 'x', 'y', 'z' }; + if (commercialRegisterDigits == null) { + throw new NullPointerException("Commercial register number missing."); + } + commercialRegisterDigits = StringUtils.leftPad(commercialRegisterDigits, 6, + '0'); + if (!commercialRegisterDigits.matches("\\d{6}")) { + throw new IllegalArgumentException( + "Invalid commercial register number provided."); + } + int sum = 0; + for (int i = 0; i < commercialRegisterDigits.length(); i++) { + int value = commercialRegisterDigits.charAt(i) - '0'; + sum += WEIGHT[i] * value; + } + return CHECKDIGIT[sum % 17]; + } +} |