DesignPatternsPHP/StaticFactory/StaticFactory.php at master · EndlessCoding/DesignPatternsPHP · GitHub

31 lines (27 loc) · 699 Bytes

<?php

namespace DesignPatterns\StaticFactory;

/**

* Note1: Remember, static => global => evil

* Note2: Cannot be subclassed or mock-upped or have multiple different instances

class StaticFactory

{

/**

* the parametrized function to get create an instance

* @param string $type

* @static

* @throws \InvalidArgumentException

* @return FormatterInterface

public static function factory($type)

{

$className = __NAMESPACE__ . '\Format' . ucfirst($type);

if (!class_exists($className)) {

throw new \InvalidArgumentException('Missing format class.');

}

return new $className();

}

Expand file tree