GetterMetadata.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Validator\Mapping;

use Symfony\Component\Validator\Exception\ValidatorException;
class GetterMetadata extends MemberMetadata {

  /**
   * Constructor.
   *
   * @param string $class    The class the getter is defined on
   * @param string $property The property which the getter returns
   *
   * @throws ValidatorException
   */
  public function __construct($class, $property) {
    $getMethod = 'get' . ucfirst($property);
    $isMethod = 'is' . ucfirst($property);
    if (method_exists($class, $getMethod)) {
      $method = $getMethod;
    }
    elseif (method_exists($class, $isMethod)) {
      $method = $isMethod;
    }
    else {
      throw new ValidatorException(sprintf('Neither method %s nor %s exists in class %s', $getMethod, $isMethod, $class));
    }
    parent::__construct($class, $method, $property);
  }

  /**
   * {@inheritDoc}
   */
  public function getPropertyValue($object) {
    return $this
      ->newReflectionMember($object)
      ->invoke($object);
  }

  /**
   * {@inheritDoc}
   */
  protected function newReflectionMember($objectOrClassName) {
    return new \ReflectionMethod($objectOrClassName, $this
      ->getName());
  }

}