buggagesearch korjattu

code/moya-beans/ejbModule/fi/codecrew/moya/beans/BarcodeBean.java

@@ -181,6 +181,11 @@ public class BarcodeBean implements BarcodeBeanLocal {
 
 		// remove some random -stuff to start of string
 		for (int i = lenght - barcodeLenght; i > 0; --i) {
+
+			// barcode was shorter than random stuff, I think that it does not match
+			if(barcode.length() <= 0)
+				return null;
+
 			barcode = barcode.substring(1);
 		}