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Revision: 12589
at March 19, 2009 22:54 by abwaters
Initial Code 
if (isbn.length() == 13 && isbn.indexOf("978") == 0)
{
  isbn = isbn.substring(3,12);
  int xsum = 0;

  for (int i = 0; i < 9; i++)
  {
      xsum += (10 - i) * Character.getNumericValue(isbn.charAt(i));
  }

  xsum %= 11;
  xsum = 11 - xsum;

  String x_val = String.valueOf(xsum);

  switch (xsum)
  {
      case 10: x_val = "X"; break;
      case 11: x_val = "0"; break;
  }

  isbn += x_val;
}
Initial URL 
http://www.eblong.com/zarf/bookscan/eantoisbn-java.txt
Initial Description 

                                

                                                            

                                    

                                        

                                        Initial Title
                                        

                                    

                                    
Convert UPC to ISBN

                                

                                                            

                                    

                                        

                                        Initial Tags
                                        

                                    

                                    

                                

                                                            

                                    

                                        

                                        Initial Language
                                        

                                    

                                    
Java