dgraham 2003/06/08 14:32:29
Modified: validator/src/share/org/apache/commons/validator
CreditCardValidator.java
Log:
Added a null check and max length of 19 check. Updated
reference to a better online source.
Revision Changes Path
1.7 +7 -7
jakarta-commons/validator/src/share/org/apache/commons/validator/CreditCardValidator.java
Index: CreditCardValidator.java
===================================================================
RCS file:
/home/cvs/jakarta-commons/validator/src/share/org/apache/commons/validator/CreditCardValidator.java,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- CreditCardValidator.java 7 Jun 2003 19:13:21 -0000 1.6
+++ CreditCardValidator.java 8 Jun 2003 21:32:29 -0000 1.7
@@ -72,7 +72,8 @@
* configures the validator to only pass American Express and Visa cards.
* </p>
* Reference Sean M. Burke's
- * <a href="http://www.ling.nwu.edu/~sburke/pub/luhn_lib.pl";>script</a>.
+ * <a href="http://www.ling.nwu.edu/~sburke/pub/luhn_lib.pl";>script</a>. More
information
+ * also available <a href="http://www.merriampark.com/anatomycc.htm";>here</a>.
*
* @author David Winterfeldt
* @author James Turner
@@ -141,7 +142,7 @@
* @param card The card number to validate.
*/
public boolean isValid(String card) {
- if (card.length() < 13) {
+ if ((card == null) || (card.length() < 13) || (card.length() > 19)) {
return false;
}
@@ -170,7 +171,6 @@
/**
* Checks for a valid credit card number.
- *
* @param cardNumber Credit Card Number.
*/
protected boolean luhnCheck(String cardNumber) {
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