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<?php |
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declare(strict_types = 1); |
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/** |
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* Created by PhpStorm. |
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* User: root |
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* Date: 27.07.2016 |
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* Time: 1:55. |
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*/ |
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namespace samsonframework\container\annotation; |
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use samsonframework\container\metadata\PropertyMetadata; |
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/** |
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* Injection annotation class. |
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* |
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* @Annotation |
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*/ |
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class Inject implements PropertyInterface |
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{ |
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/** @var string Injectable dependency */ |
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protected $dependency; |
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/** |
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* Inject constructor. |
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* |
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* @param array $valueOrValues |
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*/ |
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public function __construct(array $valueOrValues) |
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{ |
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// Get first argument from annotation |
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$this->dependency = $valueOrValues['value'] ?? null; |
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// Convert empty dependency to null |
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$this->dependency = $this->dependency !== '' ? $this->dependency : null; |
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// Removed first namespace separator if present |
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$this->dependency = is_string($this->dependency) ? ltrim($this->dependency, '\\') : $this->dependency; |
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} |
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/** {@inheritdoc} */ |
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public function toPropertyMetadata(PropertyMetadata $propertyMetadata) |
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{ |
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// Get @Inject("value") |
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$propertyMetadata->dependency = $this->dependency; |
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$this->validate( |
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$propertyMetadata->typeHint, |
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$propertyMetadata->dependency, |
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$propertyMetadata->classMetadata->nameSpace |
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); |
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} |
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/** |
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* Validate dependency. |
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* |
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* @param string $type |
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* @param string $dependency |
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* @param string $namespace |
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*/ |
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protected function validate(&$type, &$dependency, $namespace) |
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{ |
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$dependency = $this->buildFullClassName($dependency, $namespace); |
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$type = $this->buildFullClassName($type, $namespace); |
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// Check for inheritance violation |
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if ($this->checkInheritanceViolation($type, $dependency)) { |
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throw new \InvalidArgumentException( |
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'@Inject dependency violates ' . $type . ' inheritance with ' . $dependency |
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); |
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} |
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if ($this->checkInterfaceWithoutClassName($type, $dependency)) { |
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throw new \InvalidArgumentException( |
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'Cannot @Inject interface, inherited class name should be specified |
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'); |
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} |
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// Empty @Inject with type hint - use type hine as dependency |
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if ($dependency === null && $type !== null) { |
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$dependency = $type; |
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} |
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} |
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/** |
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* Build full class name. |
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* |
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* @param string $className Full or short class name |
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* @param string $namespace Name space |
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* |
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* @return string Full class name |
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*/ |
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9 |
View Code Duplication |
protected function buildFullClassName($className, $namespace) |
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{ |
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// Check if we need to append namespace to dependency |
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if ($className !== null && strpos($className, '\\') === false) { |
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return $namespace . '\\' . $className; |
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} |
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return $className; |
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} |
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/** |
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* Check if @Inject violates inheritance. |
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* |
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* @param string $type Property/Parameter type |
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* @param string $dependency @Inject value |
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* |
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* @return bool True if @Inject violates inheritance |
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*/ |
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protected function checkInheritanceViolation($type, $dependency) : bool |
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{ |
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// Check for inheritance violation |
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if ($dependency !== null && $type !== null) { |
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$inheritance = array_merge( |
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[$dependency], |
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class_parents($dependency), |
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class_implements($dependency) |
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); |
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return !in_array($type, $inheritance, true); |
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} |
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return false; |
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} |
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/** |
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* Check if @Inject has no class name and type hint is interface. |
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* |
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* @param string $type Property/Parameter type |
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* @param string $dependency @Inject value |
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* |
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* @return bool True if @Inject has no class name and type hint is interface. |
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*/ |
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protected function checkInterfaceWithoutClassName($type, $dependency) : bool |
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{ |
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return $type !== null |
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&& $dependency === null |
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&& (new \ReflectionClass($type))->isInterface(); |
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} |
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} |
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samsonframework /
container
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.