Decorator

Decorator

Purpose

To dynamically add new functionality to class instances.

Examples

• Zend Framework: decorators for Zend_Form_Element instances
• Web Service Layer: Decorators JSON and XML for a REST service (in this case, only one of these should be allowed of course)

UML Diagram

Code

You can also find these code on GitHub

RendererInterface.php

.. literalinclude:: RendererInterface.php
   :language: php
   :linenos:

Webservice.php

.. literalinclude:: Webservice.php
   :language: php
   :linenos:

Decorator.php

.. literalinclude:: Decorator.php
   :language: php
   :linenos:

RenderInXml.php

.. literalinclude:: RenderInXml.php
   :language: php
   :linenos:

RenderInJson.php

.. literalinclude:: RenderInJson.php
   :language: php
   :linenos:

Test

Tests/DecoratorTest.php

.. literalinclude:: Tests/DecoratorTest.php
   :language: php
   :linenos: