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1 | <?php |
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2 | |||
3 | namespace Hateoas\Serializer; |
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4 | |||
5 | use Hateoas\Model\Embedded; |
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6 | use Hateoas\Util\ClassUtils; |
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7 | use JMS\Serializer\SerializationContext; |
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8 | use JMS\Serializer\XmlSerializationVisitor; |
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9 | use Metadata\MetadataFactoryInterface; |
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10 | |||
11 | /** |
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12 | * @author Adrien Brault <[email protected]> |
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13 | */ |
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14 | class XmlSerializer implements XmlSerializerInterface, JMSSerializerMetadataAwareInterface |
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15 | { |
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16 | /** |
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17 | * @var MetadataFactoryInterface |
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18 | */ |
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19 | private $metadataFactory; |
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20 | |||
21 | /** |
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22 | * {@inheritdoc} |
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23 | */ |
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24 | public function setMetadataFactory(MetadataFactoryInterface $metadataFactory) |
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25 | { |
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26 | $this->metadataFactory = $metadataFactory; |
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27 | } |
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28 | |||
29 | /** |
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30 | * {@inheritdoc} |
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31 | */ |
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32 | public function serializeLinks(array $links, XmlSerializationVisitor $visitor, SerializationContext $context) |
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33 | { |
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34 | foreach ($links as $link) { |
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35 | $linkNode = $visitor->getDocument()->createElement('link'); |
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36 | $visitor->getCurrentNode()->appendChild($linkNode); |
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37 | |||
38 | $linkNode->setAttribute('rel', $link->getRel()); |
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39 | $linkNode->setAttribute('href', $link->getHref()); |
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40 | |||
41 | foreach ($link->getAttributes() as $attributeName => $attributeValue) { |
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42 | $linkNode->setAttribute($attributeName, $attributeValue); |
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43 | } |
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44 | } |
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45 | } |
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46 | |||
47 | /** |
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48 | * {@inheritdoc} |
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49 | */ |
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50 | public function serializeEmbeddeds(array $embeddeds, XmlSerializationVisitor $visitor, SerializationContext $context) |
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51 | { |
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52 | foreach ($embeddeds as $embedded) { |
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53 | $entryNode = $visitor->getDocument()->createElement($this->getElementName($embedded->getData(), $embedded)); |
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54 | |||
55 | $visitor->getCurrentNode()->appendChild($entryNode); |
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56 | $visitor->setCurrentNode($entryNode); |
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57 | $visitor->getCurrentNode()->setAttribute('rel', $embedded->getRel()); |
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58 | |||
59 | if ($embedded->getData() instanceof \Traversable || is_array($embedded->getData())) { |
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60 | foreach ($embedded->getData() as $entry) { |
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61 | $entryNode = $visitor->getDocument()->createElement($this->getElementName($entry)); |
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62 | |||
63 | $visitor->getCurrentNode()->appendChild($entryNode); |
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64 | $visitor->setCurrentNode($entryNode); |
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65 | |||
66 | if (null !== $node = $context->accept($entry)) { |
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67 | $visitor->getCurrentNode()->appendChild($node); |
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68 | } |
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69 | |||
70 | $visitor->revertCurrentNode(); |
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71 | } |
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72 | } elseif (null !== $node = $context->accept($embedded->getData())) { |
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73 | $visitor->getCurrentNode()->appendChild($node); |
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74 | } |
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75 | |||
76 | $visitor->revertCurrentNode(); |
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77 | } |
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78 | } |
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79 | |||
80 | private function getElementName($data, Embedded $embedded = null) |
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81 | { |
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82 | $elementName = null; |
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83 | |||
84 | if (null !== $embedded) { |
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85 | $elementName = $embedded->getXmlElementName(); |
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86 | } |
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87 | |||
88 | if (null == $elementName && is_object($data)) { |
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89 | $metadata = $this->metadataFactory->getMetadataForClass(ClassUtils::getClass($data)); |
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90 | $elementName = $metadata->xmlRootName; |
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91 | } |
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92 | |||
93 | return $elementName ?: 'entry'; |
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94 | } |
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95 | } |
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96 |