Zend_Validate_Barcode_EAN13 - Andries Seutens

Zend Framework: Zend_Validate_Barcode_EAN13 Component Proposal

Table of Contents

1. Overview

Zend_Validate_Barcode_EAN13 is a simple component that validates the validity of an EAN13 barcode.

2. References

• EAN13 Wikipedia Entry

3. Component Requirements, Constraints, and Acceptance Criteria

• This component will validate the validity of an EAN13 barcode.
• This component will calculate the proper checksums.
• This component will not validate a barcode from an image.

4. Dependencies on Other Framework Components

• Zend_Exception
• Zend_Validate_Abstract

5. Theory of Operation

The component is instantiated with a mind-link that ... it will rock the planet.

6. Milestones / Tasks

• Milestone 1: [DONE] write proposal
• Milestone 2: get the proposal approved
• Milestone 3: working prototype checked into the incubator
• Milestone 4: write unit test, and check into SVN
• Milestone 5: write documentation for this validator.
• Milestone 5: introduce "component" to core.

7. Class Index

• Zend_Validate_Barcode_EAN13

8. Use Cases

9. Class Skeletons