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sosc::UPC Class Reference

Inheritance diagram for sosc::UPC:

List of all members.

Public Methods
	UPC (final String upc)
boolean	equals (Object o)
Static Public Methods
boolean	validate (String num)
Protected Methods
boolean	checkDigits (final int[] digits)
boolean	checkSize ()

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Detailed Description

The UPC class contains methods for comparing and validating UPC numbers.

Author:

Brad Johnson, Set E, ID# A00253700

Definition at line 8 of file UPC.java.

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Constructor & Destructor Documentation

sosc::UPC::UPC (  final String    upc )  [inline]

The constructor for UCP calls the cunstructor from Validatable in order to set the number and type field values. Parameters: upc  the number to be validated Returns: none Definition at line 17 of file UPC.java. Referenced by sosc::UPC::validate().

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Member Function Documentation

boolean sosc::UPC::checkDigits (  final int    digits[] )  [inline, protected]

checkDigits() performs the actual validation algorithm. For a an english version of the algorithm go to the following link: http://www.cs.queensu.ca/home/bradbury/checkdigit/ Parameters: digits  [] an array of the digits in the number to be validated Returns: the result of the validation Definition at line 48 of file UPC.java. References sosc::Validatable::number.

boolean sosc::UPC::checkSize (    )  [inline, protected, virtual]

checkSize() is used to check that the number being validated has the correct number digits for its type. Returns: true or false is returned based on the result of the size check. Implements sosc::Validatable. Definition at line 103 of file UPC.java. References sosc::Validatable::number.

boolean sosc::UPC::equals (  Object    o )  [inline]

The equals method checks to see if the object passed in is an instance of this class. If it is an instance, the equals method from the Validatable class is called. Parameters: o  the object to be compared against Returns: the result of the comparison Reimplemented from sosc::Validatable. Definition at line 30 of file UPC.java.

boolean sosc::UPC::validate (  String    num )  [inline, static]

The static validate method creates a new object and calls the instance validate() method. Parameters: str  the number to be validated in String form Returns: the result of the validation Definition at line 92 of file UPC.java. References sosc::UPC::UPC().

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The documentation for this class was generated from the following file:

• UPC.java

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