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<?php |
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namespace Drupal\controller_annotations\Request\ParamConverter; |
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use Drupal\controller_annotations\Configuration\ConfigurationInterface; |
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use Drupal\controller_annotations\Configuration\ParamConverter; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* @author Fabien Potencier <[email protected]> |
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* @author Henrik Bjornskov <[email protected]> |
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*/ |
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class ParamConverterManager |
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{ |
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/** |
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* @var array |
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*/ |
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protected $converters = []; |
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/** |
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* @var array |
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*/ |
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protected $namedConverters = []; |
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/** |
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* Applies all converters to the passed configurations and stops when a |
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* converter is applied it will move on to the next configuration and so on. |
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* |
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* @param Request $request |
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* @param array|object $configurations |
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*/ |
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public function apply(Request $request, $configurations) |
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{ |
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if (is_object($configurations)) { |
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$configurations = [$configurations]; |
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} |
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foreach ($configurations as $configuration) { |
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$this->applyConverter($request, $configuration); |
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} |
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} |
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/** |
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* Apply converter on request based on the given configuration. |
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* |
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* @param Request $request |
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* @param ParamConverter $configuration |
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*/ |
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protected function applyConverter(Request $request, ParamConverter $configuration) |
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{ |
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$value = $request->attributes->get($configuration->getName()); |
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$className = $configuration->getClass(); |
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// If the value is already an instance of the class we are trying to |
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// convert it into we should continue as no conversion is required |
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if (is_object($value) && $value instanceof $className) { |
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return; |
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} |
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if ($configuration->getConverter()) { |
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$this->applyNamedConverter($request, $configuration); |
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return; |
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} |
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foreach ($this->all() as $converter) { |
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if ($converter->supports($configuration)) { |
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if ($converter->apply($request, $configuration)) { |
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return; |
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} |
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} |
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} |
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} |
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/** |
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* @param Request $request |
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* @param ParamConverter $configuration |
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*/ |
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protected function applyNamedConverter(Request $request, ParamConverter $configuration) |
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{ |
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$converterName = $configuration->getConverter(); |
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if (!isset($this->namedConverters[$converterName])) { |
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throw new \RuntimeException(sprintf( |
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"No converter named '%s' found for conversion of parameter '%s'.", |
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$converterName, $configuration->getName() |
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)); |
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} |
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$converter = $this->namedConverters[$converterName]; |
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if (!$converter->supports($configuration)) { |
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throw new \RuntimeException(sprintf( |
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"Converter '%s' does not support conversion of parameter '%s'.", |
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$converterName, $configuration->getName() |
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)); |
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} |
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$converter->apply($request, $configuration); |
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} |
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/** |
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* Adds a parameter converter. |
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* |
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* Converters match either explicitly via $name or by iteration over all |
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* converters with a $priority. If you pass a $priority = null then the |
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* added converter will not be part of the iteration chain and can only |
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* be invoked explicitly. |
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* |
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* @param ParamConverterInterface $converter A ParamConverterInterface instance |
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* @param int $priority The priority (between -10 and 10). |
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* @param string $name Name of the converter. |
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*/ |
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public function add(ParamConverterInterface $converter, $priority = 0, $name = null) |
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{ |
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if ($priority !== null) { |
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if (!isset($this->converters[$priority])) { |
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$this->converters[$priority] = []; |
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} |
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$this->converters[$priority][] = $converter; |
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} |
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if (null !== $name) { |
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$this->namedConverters[$name] = $converter; |
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} |
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} |
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/** |
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* Returns all registered param converters. |
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* |
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* @return array An array of param converters |
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*/ |
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public function all() |
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{ |
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krsort($this->converters); |
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$converters = array(); |
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foreach ($this->converters as $all) { |
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$converters = array_merge($converters, $all); |
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} |
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return $converters; |
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} |
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} |
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mediamonks /
drupal-controller-annotations
