Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Validator\Mapping\Loader;
Chris@0: 
Chris@0: use Symfony\Component\Validator\Exception\MappingException;
Chris@0: use Symfony\Component\Validator\Mapping\ClassMetadata;
Chris@0: 
Chris@0: /**
Chris@0:  * Loads validation metadata by calling a static method on the loaded class.
Chris@0:  *
Chris@0:  * @author Bernhard Schussek <bschussek@gmail.com>
Chris@0:  */
Chris@0: class StaticMethodLoader implements LoaderInterface
Chris@0: {
Chris@0:     protected $methodName;
Chris@0: 
Chris@0:     /**
Chris@0:      * Creates a new loader.
Chris@0:      *
Chris@0:      * @param string $methodName The name of the static method to call
Chris@0:      */
Chris@0:     public function __construct($methodName = 'loadValidatorMetadata')
Chris@0:     {
Chris@0:         $this->methodName = $methodName;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function loadClassMetadata(ClassMetadata $metadata)
Chris@0:     {
Chris@0:         /** @var \ReflectionClass $reflClass */
Chris@0:         $reflClass = $metadata->getReflectionClass();
Chris@0: 
Chris@0:         if (!$reflClass->isInterface() && $reflClass->hasMethod($this->methodName)) {
Chris@0:             $reflMethod = $reflClass->getMethod($this->methodName);
Chris@0: 
Chris@0:             if ($reflMethod->isAbstract()) {
Chris@0:                 return false;
Chris@0:             }
Chris@0: 
Chris@0:             if (!$reflMethod->isStatic()) {
Chris@0:                 throw new MappingException(sprintf('The method %s::%s should be static', $reflClass->name, $this->methodName));
Chris@0:             }
Chris@0: 
Chris@0:             if ($reflMethod->getDeclaringClass()->name != $reflClass->name) {
Chris@0:                 return false;
Chris@0:             }
Chris@0: 
Chris@0:             $reflMethod->invoke(null, $metadata);
Chris@0: 
Chris@0:             return true;
Chris@0:         }
Chris@0: 
Chris@0:         return false;
Chris@0:     }
Chris@0: }