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<?php |
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/* |
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* Copyright 2013 Johannes M. Schmitt <[email protected]> |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace TechDivision\Import\Configuration\Jms\Serializer; |
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use JMS\Serializer\Construction\ObjectConstructorInterface; |
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use JMS\Serializer\Handler\HandlerRegistryInterface; |
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use JMS\Serializer\EventDispatcher\EventDispatcherInterface; |
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use JMS\Serializer\Exception\UnsupportedFormatException; |
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use Metadata\MetadataFactoryInterface; |
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use PhpCollection\MapInterface; |
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use JMS\Serializer\SerializerInterface; |
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use JMS\Serializer\TypeParser; |
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use JMS\Serializer\GraphNavigator; |
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use JMS\Serializer\SerializationContext; |
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use JMS\Serializer\DeserializationContext; |
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use JMS\Serializer\JsonDeserializationVisitor; |
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use JMS\Serializer\VisitorInterface; |
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use JMS\Serializer\Context; |
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use JMS\Serializer\JsonSerializationVisitor; |
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use JMS\Serializer\Exception\RuntimeException; |
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/** |
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* Serializer Implementation. |
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* |
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* @author Johannes M. Schmitt <[email protected]> |
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*/ |
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class Serializer implements SerializerInterface |
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{ |
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private $factory; |
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private $handlerRegistry; |
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private $objectConstructor; |
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private $dispatcher; |
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private $typeParser; |
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/** @var \PhpCollection\MapInterface */ |
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private $serializationVisitors; |
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/** @var \PhpCollection\MapInterface */ |
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private $deserializationVisitors; |
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private $navigator; |
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/** |
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* Constructor. |
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* |
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* @param \Metadata\MetadataFactoryInterface $factory |
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* @param \JMS\Serializer\Handler\HandlerRegistryInterface $handlerRegistry |
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* @param \JMS\Serializer\Construction\ObjectConstructorInterface $objectConstructor |
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* @param \PhpCollection\MapInterface<VisitorInterface> $serializationVisitors |
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* @param \PhpCollection\MapInterface<VisitorInterface> $deserializationVisitors |
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* @param \JMS\Serializer\EventDispatcher\EventDispatcherInterface $dispatcher |
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* @param \JMS\Serializer\TypeParser $typeParser |
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*/ |
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public function __construct( |
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MetadataFactoryInterface $factory, |
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HandlerRegistryInterface $handlerRegistry, |
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ObjectConstructorInterface $objectConstructor, |
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MapInterface $serializationVisitors, |
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MapInterface $deserializationVisitors, |
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EventDispatcherInterface $dispatcher = null, |
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TypeParser $typeParser = null |
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) { |
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$this->factory = $factory; |
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$this->handlerRegistry = $handlerRegistry; |
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$this->objectConstructor = $objectConstructor; |
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$this->dispatcher = $dispatcher; |
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$this->typeParser = $typeParser ?: new TypeParser(); |
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$this->serializationVisitors = $serializationVisitors; |
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$this->deserializationVisitors = $deserializationVisitors; |
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$this->navigator = new GraphNavigator($this->factory, $this->handlerRegistry, $this->objectConstructor, $this->dispatcher); |
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} |
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public function serialize($data, $format, SerializationContext $context = null) |
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{ |
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if ( ! $this->serializationVisitors->containsKey($format)) { |
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throw new UnsupportedFormatException(sprintf('The format "%s" is not supported for serialization.', $format)); |
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} |
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if (null === $context) { |
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$context = new SerializationContext(); |
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} |
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$context->initialize( |
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$format, |
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$visitor = $this->serializationVisitors->get($format)->get(), |
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$this->navigator, |
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$this->factory |
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); |
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$visitor->setNavigator($this->navigator); |
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$this->navigator->accept($visitor->prepare($data), null, $context); |
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return $visitor->getResult(); |
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} |
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public function deserialize($data, $type, $format, DeserializationContext $context = null) |
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{ |
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if ( ! $this->deserializationVisitors->containsKey($format)) { |
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throw new UnsupportedFormatException(sprintf('The format "%s" is not supported for deserialization.', $format)); |
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} |
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if (null === $context) { |
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$context = new DeserializationContext(); |
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} |
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$context->initialize( |
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$format, |
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$visitor = $this->deserializationVisitors->get($format)->get(), |
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$this->navigator, |
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$this->factory |
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); |
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$visitor->setNavigator($this->navigator); |
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$navigatorResult = $this->navigator->accept($visitor->prepare($data), $this->typeParser->parse($type), $context); |
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// This is a special case if the root is handled by a callback on the object iself. |
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if ((null === $visitorResult = $visitor->getResult()) && null !== $navigatorResult) { |
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return $navigatorResult; |
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} |
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return $visitorResult; |
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} |
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/** |
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* Converts objects to an array structure. |
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* |
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* This is useful when the data needs to be passed on to other methods which expect array data. |
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* |
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* @param mixed $data anything that converts to an array, typically an object or an array of objects |
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* |
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* @return array |
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*/ |
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public function toArray($data, SerializationContext $context = null) |
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{ |
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if (null === $context) { |
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$context = new SerializationContext(); |
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} |
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return $this->serializationVisitors->get('json') |
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->map(function(JsonSerializationVisitor $visitor) use ($context, $data) { |
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$this->visit($visitor, $context, $data, 'json'); |
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$result = $this->convertArrayObjects($visitor->getRoot()); |
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if ( ! is_array($result)) { |
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throw new RuntimeException(sprintf( |
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'The input data of type "%s" did not convert to an array, but got a result of type "%s".', |
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is_object($data) ? get_class($data) : gettype($data), |
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is_object($result) ? get_class($result) : gettype($result) |
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)); |
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} |
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return $result; |
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}) |
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->get(); |
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} |
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/** |
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* Restores objects from an array structure. |
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* |
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* @param array $data |
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* @param string $type |
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* |
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* @return mixed this returns whatever the passed type is, typically an object or an array of objects |
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*/ |
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public function fromArray(array $data, $type, DeserializationContext $context = null) |
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{ |
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if (null === $context) { |
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$context = new DeserializationContext(); |
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} |
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return $this->deserializationVisitors->get('json') |
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->map(function(JsonDeserializationVisitor $visitor) use ($data, $type, $context) { |
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$navigatorResult = $this->visit($visitor, $context, $data, 'json', $this->typeParser->parse($type)); |
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return $this->handleDeserializeResult($visitor->getResult(), $navigatorResult); |
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}) |
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->get(); |
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} |
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private function visit(VisitorInterface $visitor, Context $context, $data, $format, array $type = null) |
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{ |
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$context->initialize( |
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$format, |
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$visitor, |
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$this->navigator, |
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$this->factory |
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); |
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$visitor->setNavigator($this->navigator); |
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return $this->navigator->accept($data, $type, $context); |
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} |
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private function handleDeserializeResult($visitorResult, $navigatorResult) |
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{ |
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// This is a special case if the root is handled by a callback on the object itself. |
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if (null === $visitorResult && null !== $navigatorResult) { |
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return $navigatorResult; |
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} |
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return $visitorResult; |
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} |
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private function convertArrayObjects($data) |
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{ |
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if ($data instanceof \ArrayObject) { |
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$data = (array) $data; |
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} |
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if (is_array($data)) { |
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foreach ($data as $k => $v) { |
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$data[$k] = $this->convertArrayObjects($v); |
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} |
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} |
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return $data; |
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} |
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/** |
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* @return MetadataFactoryInterface |
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*/ |
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public function getMetadataFactory() |
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{ |
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return $this->factory; |
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} |
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} |
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