SkinFactory.php

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<?php
 
use Wikimedia\ObjectFactory;
 
class SkinFactory {
 
    private $factoryFunctions = [];
    private $displayNames = [];
    private $objectFactory;
 
    public function __construct( ObjectFactory $objectFactory ) {
        $this->objectFactory = $objectFactory;
    }
 
    public function register( $name, $displayName, $spec ) {
        if ( !is_array( $spec ) && !is_callable( $spec ) ) {
            throw new InvalidArgumentException( 'Invalid callback provided' );
        }
        $this->factoryFunctions[$name] = $spec;
        $this->displayNames[$name] = $displayName;
    }
 
    public function getSkinNames() {
        return $this->displayNames;
    }
 
    public function makeSkin( $name ) {
        if ( !isset( $this->factoryFunctions[$name] ) ) {
            throw new SkinException( "No registered builder available for $name." );
        }
 
        return $this->objectFactory->createObject(
            $this->factoryFunctions[$name],
            [
                'allowCallable' => true,
                'assertClass' => Skin::class,
                'extraArgs' => [ $name ]
            ]
        );
    }
}