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<?php |
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namespace mxdiModule\Service; |
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use mxdiModule\Annotation\Inject; |
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use Zend\ServiceManager\ServiceLocatorInterface; |
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class Instantiator implements InstantiatorInterface |
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{ |
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/** @var ServiceLocatorInterface */ |
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protected $serviceLocator; |
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/** |
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* Create object. |
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* |
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* @param ServiceLocatorInterface $sm |
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* @param ChangeSet $changeSet |
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* @return object |
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*/ |
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public function create(ServiceLocatorInterface $sm, ChangeSet $changeSet) |
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{ |
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$this->serviceLocator = $sm; |
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$object = $this->createObject($changeSet); |
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$this->injectMethods($object, $changeSet); |
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$this->injectProperties($object, $changeSet); |
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return $object; |
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} |
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/** |
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* @param object $object |
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* @param ChangeSet $changeSet |
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*/ |
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protected function injectProperties($object, ChangeSet $changeSet) |
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{ |
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/** |
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* @var string $propertyName |
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* @var Inject $injection |
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*/ |
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foreach ($changeSet->getPropertiesInjections() as $propertyName => $injection) { |
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$value = $injection->getValue($this->serviceLocator); |
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if ($changeSet->isPropertyPublic($propertyName)) { |
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$object->$propertyName = $value; |
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continue; |
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} |
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$this->setPropertyValue($changeSet->getFqcn(), $object, $propertyName, $value); |
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} |
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} |
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/** |
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* @param object $object |
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* @param ChangeSet $changeSet |
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*/ |
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protected function injectMethods($object, ChangeSet $changeSet) |
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{ |
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/** |
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* @var string $propertyName |
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* @var Inject $injection |
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* @var array $value |
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*/ |
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foreach ($changeSet->getMethodsInjections() as $methodName => $injection) { |
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$value = $injection->getValue($this->serviceLocator); |
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if ($changeSet->isMethodPublic($methodName)) { |
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call_user_func_array([$object, $methodName], (array)$value); |
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continue; |
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} |
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$this->invokeMethod($changeSet->getFqcn(), $object, $methodName, $value); |
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} |
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} |
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/** |
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* @param ChangeSet $changeSet |
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* @return object |
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*/ |
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protected function createObject(ChangeSet $changeSet) |
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{ |
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$fqcn = $changeSet->getFqcn(); |
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if ($changeSet->hasSimpleConstructor()) { |
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return new $fqcn; |
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} |
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$reflection = new \ReflectionClass($fqcn); |
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return $reflection->newInstanceArgs( |
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(array)$changeSet->getConstructorInjections()->getValue($this->serviceLocator) |
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); |
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} |
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/** |
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* Set property value with reflection. |
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* |
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* @param string $fqcn |
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* @param object $object |
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* @param string $property |
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* @param mixed $value |
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*/ |
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protected function setPropertyValue($fqcn, $object, $property, $value) |
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{ |
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$reflection = new \ReflectionProperty($fqcn, $property); |
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$reflection->setAccessible(true); |
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$reflection->setValue($object, $value); |
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$reflection->setAccessible(false); |
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} |
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/** |
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* Call method with reflection. |
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* |
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* @param string $fqcn |
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* @param object $object |
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* @param string $method |
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* @param mixed $value |
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*/ |
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protected function invokeMethod($fqcn, $object, $method, $value) |
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{ |
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$reflection = new \ReflectionMethod($fqcn, $method); |
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$reflection->setAccessible(true); |
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$reflection->invokeArgs($object, $value); |
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$reflection->setAccessible(false); |
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} |
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} |
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mikemix /
mxdiModule
