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vendor/gedmo/doctrine-extensions/lib/Gedmo/Mapping/ExtensionMetadataFactory.php
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vendor/gedmo/doctrine-extensions/lib/Gedmo/Mapping/ExtensionMetadataFactory.php
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<?php
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namespace Gedmo\Mapping;
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use Doctrine\Common\Persistence\Mapping\Driver\DefaultFileLocator;
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use Doctrine\Common\Persistence\Mapping\Driver\SymfonyFileLocator;
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use Doctrine\Common\Persistence\Mapping\Driver\MappingDriver;
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use Doctrine\Common\Persistence\Mapping\Driver\MappingDriverChain;
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use Doctrine\Common\Persistence\ObjectManager;
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use Doctrine\Common\Version as CommonLibVer;
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use Gedmo\Mapping\Driver\File as FileDriver;
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use Gedmo\Mapping\Driver\AnnotationDriverInterface;
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/**
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* The extension metadata factory is responsible for extension driver
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* initialization and fully reading the extension metadata
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*
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* @author Gediminas Morkevicius <gediminas.morkevicius@gmail.com>
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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class ExtensionMetadataFactory
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{
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/**
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* Extension driver
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* @var \Gedmo\Mapping\Driver
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*/
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protected $driver;
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/**
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* Object manager, entity or document
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* @var object
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*/
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protected $objectManager;
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/**
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* Extension namespace
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*
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* @var string
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*/
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protected $extensionNamespace;
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/**
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* Custom annotation reader
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*
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* @var object
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*/
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protected $annotationReader;
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/**
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* Initializes extension driver
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*
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* @param ObjectManager $objectManager
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* @param string $extensionNamespace
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* @param object $annotationReader
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*/
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public function __construct(ObjectManager $objectManager, $extensionNamespace, $annotationReader)
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{
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$this->objectManager = $objectManager;
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$this->annotationReader = $annotationReader;
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$this->extensionNamespace = $extensionNamespace;
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$omDriver = $objectManager->getConfiguration()->getMetadataDriverImpl();
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$this->driver = $this->getDriver($omDriver);
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}
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/**
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* Reads extension metadata
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*
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* @param object $meta
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* @return array - the metatada configuration
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*/
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public function getExtensionMetadata($meta)
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{
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if ($meta->isMappedSuperclass) {
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return; // ignore mappedSuperclasses for now
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}
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$config = array();
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$cmf = $this->objectManager->getMetadataFactory();
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$useObjectName = $meta->name;
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// collect metadata from inherited classes
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if (null !== $meta->reflClass) {
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foreach (array_reverse(class_parents($meta->name)) as $parentClass) {
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// read only inherited mapped classes
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if ($cmf->hasMetadataFor($parentClass)) {
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$class = $this->objectManager->getClassMetadata($parentClass);
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$this->driver->readExtendedMetadata($class, $config);
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$isBaseInheritanceLevel = !$class->isInheritanceTypeNone()
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&& !$class->parentClasses
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&& $config
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;
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if ($isBaseInheritanceLevel) {
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$useObjectName = $class->name;
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}
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}
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}
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$this->driver->readExtendedMetadata($meta, $config);
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}
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if ($config) {
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$config['useObjectClass'] = $useObjectName;
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}
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// cache the metadata (even if it's empty)
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// caching empty metadata will prevent re-parsing non-existent annotations
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$cacheId = self::getCacheId($meta->name, $this->extensionNamespace);
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if ($cacheDriver = $cmf->getCacheDriver()) {
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$cacheDriver->save($cacheId, $config, null);
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}
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return $config;
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}
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/**
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* Get the cache id
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*
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* @param string $className
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* @param string $extensionNamespace
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* @return string
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*/
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public static function getCacheId($className, $extensionNamespace)
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{
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return $className.'\\$'.strtoupper(str_replace('\\', '_', $extensionNamespace)).'_CLASSMETADATA';
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}
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/**
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* Get the extended driver instance which will
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* read the metadata required by extension
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*
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* @param object $omDriver
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* @throws \Gedmo\Exception\RuntimeException if driver was not found in extension
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* @return \Gedmo\Mapping\Driver
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*/
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protected function getDriver($omDriver)
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{
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$driver = null;
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$className = get_class($omDriver);
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$driverName = substr($className, strrpos($className, '\\') + 1);
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if ($omDriver instanceof MappingDriverChain || $driverName == 'DriverChain') {
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$driver = new Driver\Chain();
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foreach ($omDriver->getDrivers() as $namespace => $nestedOmDriver) {
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$driver->addDriver($this->getDriver($nestedOmDriver), $namespace);
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}
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if (version_compare(CommonLibVer::VERSION, '2.3.0', '>=') && $omDriver->getDefaultDriver() !== null) {
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$driver->setDefaultDriver($this->getDriver($omDriver->getDefaultDriver()));
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}
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} else {
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$driverName = substr($driverName, 0, strpos($driverName, 'Driver'));
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$isSimplified = false;
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if (substr($driverName, 0, 10) === 'Simplified') {
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// support for simplified file drivers
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$driverName = substr($driverName, 10);
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$isSimplified = true;
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}
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// create driver instance
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$driverClassName = $this->extensionNamespace.'\Mapping\Driver\\'.$driverName;
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if (!class_exists($driverClassName)) {
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$driverClassName = $this->extensionNamespace.'\Mapping\Driver\Annotation';
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if (!class_exists($driverClassName)) {
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throw new \Gedmo\Exception\RuntimeException("Failed to fallback to annotation driver: ({$driverClassName}), extension driver was not found.");
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}
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}
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$driver = new $driverClassName();
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$driver->setOriginalDriver($omDriver);
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if ($driver instanceof FileDriver) {
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/** @var $driver FileDriver */
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if ($omDriver instanceof MappingDriver) {
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$driver->setLocator($omDriver->getLocator());
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// BC for Doctrine 2.2
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} elseif ($isSimplified) {
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$driver->setLocator(new SymfonyFileLocator($omDriver->getNamespacePrefixes(), $omDriver->getFileExtension()));
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} else {
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$driver->setLocator(new DefaultFileLocator($omDriver->getPaths(), $omDriver->getFileExtension()));
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}
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}
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if ($driver instanceof AnnotationDriverInterface) {
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$driver->setAnnotationReader($this->annotationReader);
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}
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}
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return $driver;
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}
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}
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