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Zend Framework: Zend_Soap_SimpleTypeValuesValidator Component Proposal

Table of Contents

1. Overview

I'd like to introduce to Zend Framework a new layer to check/validates values returned in a SOAP response against what user declared in the schema through auto discovery system.

2. References

• Zend Framework AutoDiscovery
• ZF-10789
• Zend_Soap_ComplexTypeValuesValidator

3. Component Requirements, Constraints, and Acceptance Criteria

• This component will add support for checking validity of values against XSD declaration from auto discovery support.
• This component will not make sure values are meaningful.
• This component will not validate the XSD generated. Meanning we don't prevent user from doing wrong XSD by adding unexisting attribute to an element for example.
• This component will not be exhaustive and will not support all XSD features immediately.

4. Dependencies on Other Framework Components

• PHP >= 5.3.0
• Zend_Soap
• Zend_Soap_AutoDiscovery
• Zend_Soap_Zend_Soap_Wsdl_Strategy_DefaultComplexType (modified by proposal)

5. Theory of Operation

The component is instantiated through extending of class.

6. Milestones / Tasks

• Feature Request 1: Support more XSD base type than just PHP variable base set type.

• Milestone #: [DONE] Design
• Milestone #: [DONE] Proof of concept by implement new complex type and simple type value checking
• Milestone #: [DONE] Start support of all base type compatible with PHP variable base set type
• Milestone #: [DONE] Start support of user defined type through SimpleType in XSD
• Milestone 1: Working prototype checked into the incubator supporting use cases #1.
• Milestone 2: Unit tests exist, work, and are checked into SVN.
• Milestone 3: Initial documentation exists.

7. Class Index

• Zend_Soap_SimpleTypeValuesValidator

8. Use Cases

Definition of one simple type and call its extended test method.

Output should be like:
boolean true
boolean false

Again with an union of simple type.

Output should be like:
boolean true
boolean true
boolean false

Again with a list of simple type (using previous union definition too).

Output should be like:
boolean true
boolean false

9. Class Skeletons