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<?php |
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/* |
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* This file is part of the jade/jade package. |
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* |
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* (c) Slince <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Jade\HttpKernel; |
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use Jade\ContainerAwareInterface; |
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use Jade\ContainerInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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class ControllerResolver implements ControllerResolverInterface |
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{ |
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/** |
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* @var ContainerInterface |
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*/ |
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protected $container; |
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public function __construct(ContainerInterface $container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getController(ServerRequestInterface $request) |
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{ |
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$route = $request->getAttribute('_route'); |
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if (null === $route) { //如果没有route则直接中断 |
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throw new \RuntimeException(sprintf('Cannot find route')); |
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} |
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$action = $route->getAction(); |
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if ($action instanceof \Closure) { // 如果是可调用的结构直接返回 |
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return $action; |
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} |
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return $this->createController($action); |
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} |
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/** |
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* 创建控制器 |
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* |
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* @param string|array $controller |
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* @return array |
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*/ |
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protected function createController($controller) |
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{ |
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list($class, $method) = is_string($controller) ? explode('::', $controller) : $controller; |
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if (!class_exists($class)) { |
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throw new \InvalidArgumentException(sprintf('Class "%s" does not exist.', $class)); |
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} |
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return [$this->configureController($this->instantiateController($class)), $method]; |
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} |
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/** |
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* 创建控制器实例 |
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* |
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* @param string $class A class name |
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* |
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* @return object |
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*/ |
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protected function instantiateController($class) |
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{ |
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return new $class(); |
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} |
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protected function configureController($controller) |
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{ |
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if ($controller instanceof ContainerAwareInterface) { |
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$controller->setContainer($this->container); |
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} |
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return $controller; |
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} |
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} |
jadephp /
jade
