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[Serializer] fix denormalization of xml-values to objects when no xml-attributes are specified #34825

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[Serializer] fix denormalization of xml-values to objects when no xml-attributes are specified #34825

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[Serializer] fix denormalization of xml-values to objects when no (op… 
…tional) attributes are present #32144
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@mkrauser
mkrauser committed Dec 10, 2019
commit 16c325c415dda7d37187bae3c1d39b1045c79c93
10 changes: 10 additions & 0 deletions src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php
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Expand Up @@ -329,6 +329,16 @@ public function denormalize($data, $type, $format = null, array $context = [])
$object = $this->instantiateObject($normalizedData, $type, $context, $reflectionClass, $allowedAttributes, $format);
$resolvedClass = $this->objectClassResolver ? ($this->objectClassResolver)($object) : \get_class($object);

if (\is_string($data) && 'xml' === $format && $this->classMetadataFactory->hasMetadataFor($type)) {
$attributes = $this->classMetadataFactory->getMetadataFor($type)->getAttributesMetadata();
foreach ($attributes as $attribute) {
if ('#' === $attribute->getSerializedName()) {
$normalizedData = ['#' => $data];
break;
}
}
}

foreach ($normalizedData as $attribute => $value) {
if ($this->nameConverter) {
$attribute = $this->nameConverter->denormalize($attribute, $resolvedClass, $format, $context);
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60 changes: 60 additions & 0 deletions src/Symfony/Component/Serializer/Tests/Normalizer/AbstractObjectNormalizerTest.php
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Expand Up @@ -15,6 +15,7 @@
use PHPUnit\Framework\TestCase;
use Symfony\Component\PropertyInfo\Extractor\PhpDocExtractor;
use Symfony\Component\PropertyInfo\Type;
use Symfony\Component\Serializer\Annotation\SerializedName;
use Symfony\Component\Serializer\Exception\InvalidArgumentException;
use Symfony\Component\Serializer\Exception\NotNormalizableValueException;
use Symfony\Component\Serializer\Mapping\ClassDiscriminatorFromClassMetadata;
Expand All @@ -24,6 +25,7 @@
use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactory;
use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactoryInterface;
use Symfony\Component\Serializer\Mapping\Loader\AnnotationLoader;
use Symfony\Component\Serializer\NameConverter\MetadataAwareNameConverter;
use Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer;
use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
Expand Down Expand Up @@ -227,6 +229,26 @@ public function hasMetadataFor($value): bool
$this->assertInstanceOf(DummySecondChildQuux::class, $normalizedData->quux);
}

public function testDenormalizeXmlStringNodeWithoutAttributesToObject()
{
$denormalizer = $this->getDenormalizerForStringNode();
// if an xml-node can have children which should be deserialized as string[]
// and only one child exists
$object = $denormalizer->denormalize('string-value', DummyObjectWithOptionalAttributes::class, 'xml');
$this->assertInstanceOf(DummyObjectWithOptionalAttributes::class, $object);
$this->assertEquals('string-value', $object->value);
$this->assertNull($object->foo);
}

public function getDenormalizerForStringNode()
{
$denormalizer = new AbstractObjectNormalizerWithMetadataAndNameConverter();
$serializer = new Serializer([$denormalizer]);
$denormalizer->setSerializer($serializer);

return $denormalizer;
}

/**
* Test that additional attributes throw an exception if no metadata factory is specified.
*/
Expand Down Expand Up @@ -302,6 +324,44 @@ class StringCollection
public $children;
}

class AbstractObjectNormalizerWithMetadataAndNameConverter extends AbstractObjectNormalizer
{
public function __construct()
{
$classMetadataFactory = new ClassMetadataFactory(new AnnotationLoader(new AnnotationReader()));
parent::__construct($classMetadataFactory, new MetadataAwareNameConverter($classMetadataFactory));
}

protected function extractAttributes($object, $format = null, array $context = [])
{
}

protected function getAttributeValue($object, $attribute, $format = null, array $context = [])
{
}

protected function setAttributeValue($object, $attribute, $value, $format = null, array $context = [])
{
$object->$attribute = $value;
}
}

class DummyObjectWithOptionalAttributes
{
/**
* @SerializedName("#")
*
* @var string
*/
public $value;
/**
* @SerializedName("@foo")
*
* @var string
*/
public $foo = null;
}

class DummyCollection
{
/** @var DummyChild[] */
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