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<?php declare(strict_types=1); |
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namespace OpenEngine\Mika\Core\Components\Di\Traits; |
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use OpenEngine\Mika\Core\Components\Di\Exceptions\ClassNotFoundException; |
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use OpenEngine\Mika\Core\Components\Di\Exceptions\MethodNotFoundException; |
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use OpenEngine\Mika\Core\Components\Di\Exceptions\MissingMethodArgumentException; |
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use OpenEngine\Mika\Core\Helpers\VarHelper; |
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use ReflectionClass; |
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use ReflectionNamedType; |
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trait CreateObjectTrait |
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{ |
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/** |
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* @param string $className |
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* @return object |
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* @throws ClassNotFoundException |
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* @throws MethodNotFoundException |
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* @throws MissingMethodArgumentException |
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*/ |
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public function createObject(string $className): object |
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{ |
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$params = $this->createMethodDepends($className, '__construct'); |
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try { |
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$reflector = new ReflectionClass($className); |
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} catch (\ReflectionException $e) { |
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throw new ClassNotFoundException('Class ' . $className . ' is not found'); |
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} |
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return $reflector->newInstanceArgs($params); |
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} |
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/** |
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* Create method depends |
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* |
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* Method returns list of params with initialized depends. |
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* All services for method will be initialized automatically. |
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* Other params you must specify on parameter $knownParams. |
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* |
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* For example: |
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* ``` |
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* class Foo { |
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* public method bar(BazInterface $baz, Baz2Interface $baz2, string $baz3, int $param4): void |
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* { |
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* // ... code ... |
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* } |
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* } |
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* |
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* // $baz and $baz2 will initialized by automatically. |
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* // $baz3 and $param4 you must specify |
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* App::getContainer()->createMethodDepends(Foo::class, "bar", ['baz3' => 'Test', 'param4' => 13]) |
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* |
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* ``` |
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* |
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* @param string $className |
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* @param string $methodName |
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* @param array $knownParams You can specify some parameter values if you already know what method needs |
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* @return array |
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* @throws MethodNotFoundException |
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* @throws MissingMethodArgumentException |
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*/ |
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public function createMethodDepends(string $className, string $methodName, array $knownParams = []): array |
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{ |
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$result = []; |
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/** |
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* @var ReflectionNamedType $type |
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*/ |
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foreach ($this->getMethodParams($className, $methodName) as $name => $type) { |
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if ($type !== null && !VarHelper::isScalar($type->getName())) { |
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$result[$name] = $this->get($type->getName()); |
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continue; |
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} |
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if (!isset($knownParams[$name])) { |
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throw new MissingMethodArgumentException('Missing argument ' . $name . ' for method ' . $methodName); |
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} |
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if ($type === null) { |
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$result[$name] = $knownParams[$name]; |
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continue; |
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} |
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switch ($type->getName()) { |
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case 'int': |
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$result[$name] = (int)$knownParams[$name]; |
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break; |
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case 'float': |
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$result[$name] = (float)$knownParams[$name]; |
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break; |
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case 'bool': |
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$result[$name] = (bool)$knownParams[$name]; |
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break; |
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case 'string': |
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default: |
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$result[$name] = (string)$knownParams[$name]; |
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break; |
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} |
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} |
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return $result; |
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} |
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/** |
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* @param string $className |
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* @param string $methodName |
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* @return array |
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* @throws MethodNotFoundException |
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*/ |
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private function getMethodParams(string $className, string $methodName): array |
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{ |
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$result = []; |
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try { |
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$method = new \ReflectionMethod($className, $methodName); |
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} catch (\ReflectionException $e) { |
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if ($methodName === '__construct') { |
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return $result; |
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} |
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throw new MethodNotFoundException($e->getMessage()); |
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} |
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foreach ($method->getParameters() as $parameter) { |
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$result [$parameter->name] = $parameter->getType(); |
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} |
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return $result; |
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} |
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} |
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open-engine /
mika
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