CreditCard 1.8 build: 9172 released: 2008-03-06 Validates Credit Card Numbers. Copyright (c) 2008 Canadian Mind Products. Java Applet (that can also be run as an application). Download from http://mindprod.com/products1.html#CREDITCARD ===> Free <=== Full source included. You may even include the source code, modified or unmodified in commercial programs that you write and distribute. May be used freely for any purpose but military. For more details on this restriction, see http://mindprod.com/roedy.html#NONMILITARY If you include any Canadian Mind Products code in your own applications, your app too must be labeled non-military use only. All Java jars and source code are included. ---- Prerequisites: This program runs under any OS, (e.g. Win2K/XP/Vista/OSX/Linux/Solaris/Vista64/AIX...) so long as you have <><> Java version 1.5 <><> or later installed. See http://mindprod.com/jgloss/installingjava.html for details. ---- Installing on a PC: Download source and compiled class files to run on your own machine as an application or Applet. First install a recent Java JDK or JVM. See http://mindprod.com/jgloss/installingjava.html. To install, extract the zip download with Winzip (or similar unzip utility) into any directory you please, often J:\ -- ticking off the "user folder names" option. To run as an application,type: java -jar J:\com\mindprod\creditcard\creditcard.jar parms adjusting as necessary to account for where the jar file is. ---- Installing on a MacIntosh: Use Safari to download source and compiled class files to run on your own machine as an application or Applet. Safari will automatically unpack the zip into ~/Downloads (version 10.5) [or on the Desktop (version 10.4 and earlier)]. First install a recent Java JDK or JVM. See http://mindprod.com/jgloss/installingjava.html. You may optionally move the download tree to a permanent home. To run as an application, without parameters, just double click the jar file. To run as an application with parameters, in bash shell type: open Terminal.app cd ~/Desktop java -jar com/mindprod/creditcard/creditcard.jar parms adjusting as necessary to account for where the jar file is. I don't have a MacIntosh, just a PC, so I can't test the programs for Mac compatibility. In theory they should work without problems, but in practice that does not always happen. If you have problems please, let me know, preferably with screenshots and complete verbatim error messages. ---- Rebuilding: The zip already contains the necessary class and jar files, so unless you modify the program, there is no need to recompile the source or rebuild the jar. Configure basedir="E:/" in rebuild.xml to the drive where your files are. Use ANT and rebuild.xml, not build.xml, to recompile and recreate the jar. ---- Use: The CreditCard Validator will help you tell: 1. if a credit card number is valid, 2. which credit card vendor handles that number. It is a simple Applet to demonstrate the use of the ValidateCreditCard class. It validates the prefix and the checkdigit. It does *not* contact the credit card company to ensure that number has actually been issued and that the account is in good standing. It will also tell you which of the following credit card companies issued the card: Amex, Diners Club, Carte Blanche, Discover, enRoute, JCB, MasterCard or Visa. ATM cards use a different secret scheme which this program does not handle. Unfortunately, there is not even a reliable way to tell an ATM card from a credit card just by the number. It is primarily designed to be included in your own Java program, though it can be used standalone or as an Applet. To install, Extract the zip download with Winzip, available from http://www.winzip.com (or similar unzip utility) into any directory you please, often C:\ -- ticking off the "user folder names" option. To run as an application, type: java -jar C:\com\mindprod\creditcard\creditcard.jar adjusting as necessary to account for where the jar file is. Version History 1.4 adds an about box, and tidier code and supporting bat files. 1.5 adds JavaDoc to the source code. 1.7 2007-05-17 adds a PAD file and an icon. 1.8 2008-03-06 convert to jdk 1.5. add build number to title. simplify with enum.