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Posted to commits@bval.apache.org by si...@apache.org on 2012/01/07 15:46:01 UTC
svn commit: r1228625 - in /incubator/bval/trunk/bval-extras/src:
main/java/org/apache/bval/extras/constraints/checkdigit/
test/java/org/apache/bval/extras/constraints/checkdigit/
Author: simonetripodi
Date: Sat Jan 7 14:46:01 2012
New Revision: 1228625
URL: http://svn.apache.org/viewvc?rev=1228625&view=rev
Log:
added Luhn validation, imported and readapted from commons-validations
Added:
incubator/bval/trunk/bval-extras/src/main/java/org/apache/bval/extras/constraints/checkdigit/Luhn.java (with props)
incubator/bval/trunk/bval-extras/src/main/java/org/apache/bval/extras/constraints/checkdigit/LuhnValidator.java (with props)
incubator/bval/trunk/bval-extras/src/test/java/org/apache/bval/extras/constraints/checkdigit/LuhnCheckDigitTest.java (with props)
Added: incubator/bval/trunk/bval-extras/src/main/java/org/apache/bval/extras/constraints/checkdigit/Luhn.java
URL: http://svn.apache.org/viewvc/incubator/bval/trunk/bval-extras/src/main/java/org/apache/bval/extras/constraints/checkdigit/Luhn.java?rev=1228625&view=auto
==============================================================================
--- incubator/bval/trunk/bval-extras/src/main/java/org/apache/bval/extras/constraints/checkdigit/Luhn.java (added)
+++ incubator/bval/trunk/bval-extras/src/main/java/org/apache/bval/extras/constraints/checkdigit/Luhn.java Sat Jan 7 14:46:01 2012
@@ -0,0 +1,54 @@
+/*
+ * 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 org.apache.bval.extras.constraints.checkdigit;
+
+import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import javax.validation.Constraint;
+import javax.validation.Payload;
+
+/**
+ * <p>
+ * --
+ * TODO - This class is NOT part of the bean_validation spec and might disappear
+ * as soon as a final version of the specification contains a similar functionality.
+ * --
+ * </p>
+ * Description: annotation to validate a java.io.File is a directory<br/>
+ */
+@Documented
+@Constraint( validatedBy = LuhnValidator.class )
+@Target( { FIELD, ANNOTATION_TYPE, PARAMETER } )
+@Retention( RUNTIME )
+public @interface Luhn {
+
+ Class<?>[] groups() default {};
+
+ String message() default "{org.apache.bval.extras.constraints.checkdigit.Luhn.message}";
+
+ Class<? extends Payload>[] payload() default {};
+
+}
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Added: incubator/bval/trunk/bval-extras/src/main/java/org/apache/bval/extras/constraints/checkdigit/LuhnValidator.java
URL: http://svn.apache.org/viewvc/incubator/bval/trunk/bval-extras/src/main/java/org/apache/bval/extras/constraints/checkdigit/LuhnValidator.java?rev=1228625&view=auto
==============================================================================
--- incubator/bval/trunk/bval-extras/src/main/java/org/apache/bval/extras/constraints/checkdigit/LuhnValidator.java (added)
+++ incubator/bval/trunk/bval-extras/src/main/java/org/apache/bval/extras/constraints/checkdigit/LuhnValidator.java Sat Jan 7 14:46:01 2012
@@ -0,0 +1,65 @@
+/*
+ * 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 org.apache.bval.extras.constraints.checkdigit;
+
+/**
+ * Modulus 10 <b>Luhn</b> Check Digit calculation/validation.
+ * <p>
+ * Luhn check digits are used, for example, by:
+ * <ul>
+ * <li><a href="http://en.wikipedia.org/wiki/Credit_card">Credit Card Numbers</a></li>
+ * <li><a href="http://en.wikipedia.org/wiki/IMEI">IMEI Numbers</a> - International
+ * Mobile Equipment Identity Numbers</li>
+ * </ul>
+ * Check digit calculation is based on <i>modulus 10</i> with digits in
+ * an <i>odd</i> position (from right to left) being weighted 1 and <i>even</i>
+ * position digits being weighted 2 (weighted values greater than 9 have 9 subtracted).
+ * <p>
+ * See <a href="http://en.wikipedia.org/wiki/Luhn_algorithm">Wikipedia</a>
+ * for more details.
+ */
+public final class LuhnValidator
+ extends ModulusValidator<Luhn> {
+
+ /** weighting given to digits depending on their right position */
+ private static final int[] POSITION_WEIGHT = new int[] {2, 1};
+
+ public LuhnValidator() {
+ super(10);
+ }
+
+ /**
+ * <p>Calculates the <i>weighted</i> value of a charcter in the
+ * code at a specified position.</p>
+ *
+ * <p>For Luhn (from right to left) <b>odd</b> digits are weighted
+ * with a factor of <b>one</b> and <b>even</b> digits with a factor
+ * of <b>two</b>. Weighted values > 9, have 9 subtracted</p>
+ *
+ * {@inheritDoc}
+ */
+ @Override
+ protected int weightedValue( int charValue, int leftPos, int rightPos )
+ throws Exception {
+ int weight = POSITION_WEIGHT[rightPos % 2];
+ int weightedValue = (charValue * weight);
+ return (weightedValue > 9 ? (weightedValue - 9) : weightedValue);
+ }
+
+}
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Added: incubator/bval/trunk/bval-extras/src/test/java/org/apache/bval/extras/constraints/checkdigit/LuhnCheckDigitTest.java
URL: http://svn.apache.org/viewvc/incubator/bval/trunk/bval-extras/src/test/java/org/apache/bval/extras/constraints/checkdigit/LuhnCheckDigitTest.java?rev=1228625&view=auto
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--- incubator/bval/trunk/bval-extras/src/test/java/org/apache/bval/extras/constraints/checkdigit/LuhnCheckDigitTest.java (added)
+++ incubator/bval/trunk/bval-extras/src/test/java/org/apache/bval/extras/constraints/checkdigit/LuhnCheckDigitTest.java Sat Jan 7 14:46:01 2012
@@ -0,0 +1,57 @@
+/*
+ * 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 org.apache.bval.extras.constraints.checkdigit;
+
+import java.lang.annotation.Annotation;
+
+import javax.validation.ConstraintValidator;
+
+/**
+ * Luhn Check Digit Test.
+ */
+public class LuhnCheckDigitTest extends AbstractCheckDigitTest {
+
+ private static final String VALID_VISA = "4417123456789113";
+
+ private static final String VALID_SHORT_VISA = "4222222222222";
+
+ private static final String VALID_AMEX = "378282246310005";
+
+ private static final String VALID_MASTERCARD = "5105105105105100";
+
+ private static final String VALID_DISCOVER = "6011000990139424";
+
+ private static final String VALID_DINERS = "30569309025904";
+
+ @Override
+ protected ConstraintValidator<? extends Annotation, String> getConstraint() {
+ return new LuhnValidator();
+ }
+
+ @Override
+ protected String[] getValid() {
+ return new String[] {
+ VALID_VISA,
+ VALID_SHORT_VISA,
+ VALID_AMEX,
+ VALID_MASTERCARD,
+ VALID_DISCOVER,
+ VALID_DINERS
+ };
+ }
+
+}
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