|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectedu.uci.ics.inf111.dvdvendor.app.BarCode
public class BarCode
The BarCode class represents the bar code of the Products
Field Summary | |
---|---|
private java.lang.String |
barCodeNumber
The String representation of the 12-digit code which this object represents. |
Constructor Summary | |
---|---|
BarCode(java.lang.String productCode)
Creates a BarCode object unless the supplied digit string is illegal. |
Method Summary | |
---|---|
private void |
checkSum(java.lang.String code)
This function checks whether the scanned BarCode is a valid one (not in the sense whether it exists in the database, but whether the Bar code that is passed in is of correct format to calculate the Checksum. The checksum is a Modulo 10 calculation. 1. |
boolean |
equals(BarCode comparedCode)
Compare another BarCode object to this BarCode object to determine if they are effectively equal. |
java.lang.String |
getBarCode()
An accessor method returning the bar code |
int |
hashCode()
The hashCode is generally the final character of a BarCode, and is used to determine whether the BarCode is a legal example of its type. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
private java.lang.String barCodeNumber
Constructor Detail |
---|
public BarCode(java.lang.String productCode) throws InvalidBarCodeException
productCode
- A String of digits corresponding to the bar code.
InvalidBarCodeException
- Thrown if the provided String is null, too short, or fails the checksum.Method Detail |
---|
public java.lang.String getBarCode()
public boolean equals(BarCode comparedCode)
comparedCode
- The BarCode object we are comparing to.
true
if the String representations are identical, false
otherwise.public int hashCode()
hashCode
in class java.lang.Object
private void checkSum(java.lang.String code) throws InvalidBarCodeException
code
- The String to be checked
InvalidBarCodeException
- Thrown if the supplied code is of incorrect length or has an incorrect checksum.
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |