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<?php |
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namespace Hateoas\Configuration\Metadata\Driver; |
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use Doctrine\Common\Annotations\Reader as AnnotationsReader; |
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use Hateoas\Configuration\Annotation; |
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use Hateoas\Configuration\Embedded; |
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use Hateoas\Configuration\Exclusion; |
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use Hateoas\Configuration\Metadata\ClassMetadata; |
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use Hateoas\Configuration\Relation; |
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use Hateoas\Configuration\RelationProvider; |
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use Hateoas\Configuration\Route; |
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use Metadata\Driver\DriverInterface; |
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/** |
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* @author Adrien Brault <[email protected]> |
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*/ |
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class AnnotationDriver implements DriverInterface |
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{ |
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/** |
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* @var AnnotationsReader |
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*/ |
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private $reader; |
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/** |
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* @param AnnotationsReader $reader |
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*/ |
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public function __construct(AnnotationsReader $reader) |
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{ |
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$this->reader = $reader; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function loadMetadataForClass(\ReflectionClass $class) |
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{ |
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$annotations = $this->reader->getClassAnnotations($class); |
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if (0 === count($annotations)) { |
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return null; |
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} |
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$classMetadata = new ClassMetadata($class->getName()); |
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$classMetadata->fileResources[] = $class->getFilename(); |
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foreach ($annotations as $annotation) { |
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if ($annotation instanceof Annotation\Relation) { |
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$classMetadata->addRelation(new Relation( |
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$annotation->name, |
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$this->createHref($annotation->href), |
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$this->createEmbedded($annotation->embedded), |
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$annotation->attributes ?: array(), |
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$this->createExclusion($annotation->exclusion) |
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)); |
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} elseif ($annotation instanceof Annotation\RelationProvider) { |
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$classMetadata->addRelationProvider(new RelationProvider($annotation->name)); |
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} |
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} |
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if (0 === count($classMetadata->getRelations()) && 0 === count($classMetadata->getRelationProviders())) { |
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return null; |
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} |
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return $classMetadata; |
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} |
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private function parseExclusion(Annotation\Exclusion $exclusion) |
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{ |
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return new Exclusion( |
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$exclusion->groups, |
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$exclusion->sinceVersion, |
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$exclusion->untilVersion, |
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$exclusion->maxDepth, |
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$exclusion->excludeIf |
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); |
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} |
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private function createHref($href) |
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{ |
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if ($href instanceof Annotation\Route) { |
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$href = new Route($href->name, $href->parameters, $href->absolute, $href->generator); |
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} |
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return $href; |
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} |
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private function createEmbedded($embedded) |
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{ |
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if ($embedded instanceof Annotation\Embedded) { |
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$embeddedExclusion = $embedded->exclusion; |
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if (null !== $embeddedExclusion) { |
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$embeddedExclusion = $this->parseExclusion($embeddedExclusion); |
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} |
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$embedded = new Embedded($embedded->content, $embedded->xmlElementName, $embeddedExclusion); |
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} |
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return $embedded; |
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} |
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private function createExclusion($exclusion) |
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{ |
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if (null !== $exclusion) { |
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$exclusion = $this->parseExclusion($exclusion); |
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} |
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return $exclusion; |
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} |
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} |
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willdurand /
Hateoas
