MetadataFactory.php 1.8 KB

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  1. <?php
  2. /*
  3. * Copyright 2011 Johannes M. Schmitt <schmittjoh@gmail.com>
  4. *
  5. * Licensed under the Apache License, Version 2.0 (the "License");
  6. * you may not use this file except in compliance with the License.
  7. * You may obtain a copy of the License at
  8. *
  9. * http://www.apache.org/licenses/LICENSE-2.0
  10. *
  11. * Unless required by applicable law or agreed to in writing, software
  12. * distributed under the License is distributed on an "AS IS" BASIS,
  13. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. * See the License for the specific language governing permissions and
  15. * limitations under the License.
  16. */
  17. namespace JMS\SerializerBundle\Metadata;
  18. use JMS\SerializerBundle\Metadata\Driver\DriverInterface;
  19. class MetadataFactory
  20. {
  21. private $driver;
  22. private $loadedMetadata = array();
  23. private $loadedClassMetadata = array();
  24. public function __construct(DriverInterface $driver)
  25. {
  26. $this->driver = $driver;
  27. }
  28. public function getMetadataForClass($className)
  29. {
  30. if (isset($this->loadedMetadata[$className])) {
  31. return $this->loadedMetadata[$className];
  32. }
  33. $metadata = new ClassHierarchyMetadata();
  34. foreach ($this->getClassHierarchy($className) as $class) {
  35. if (!isset($this->loadedClassMetadata[$name = $class->getName()])) {
  36. $this->loadedClassMetadata[$name] = $this->driver->loadMetadataForClass($class);
  37. }
  38. $metadata->addClass($this->loadedClassMetadata[$name]);
  39. }
  40. return $this->loadedMetadata[$className] = $metadata;
  41. }
  42. private function getClassHierarchy($class)
  43. {
  44. $refl = new \ReflectionClass($class);
  45. $classes = array();
  46. do {
  47. $classes[] = $refl;
  48. } while (false !== $refl = $refl->getParentClass());
  49. return array_reverse($classes, false);
  50. }
  51. }