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<?php declare(strict_types=1); |
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namespace League\Container\ServiceProvider; |
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use Generator; |
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use League\Container\{ContainerAwareInterface, ContainerAwareTrait}; |
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use League\Container\Exception\ContainerException; |
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class ServiceProviderAggregate implements ServiceProviderAggregateInterface |
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{ |
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use ContainerAwareTrait; |
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/** |
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* @var \League\Container\ServiceProvider\ServiceProviderInterface[] |
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*/ |
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protected $providers = []; |
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/** |
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* @var array |
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*/ |
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protected $registered = []; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function add($provider) : ServiceProviderAggregateInterface |
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{ |
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if (is_string($provider) && $this->getContainer()->has($provider)) { |
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$provider = $this->getContainer()->get($provider); |
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} elseif (is_string($provider) && class_exists($provider)) { |
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$provider = new $provider; |
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} |
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if (in_array($provider, $this->providers)) { |
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return $this; |
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} |
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if ($provider instanceof ContainerAwareInterface) { |
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$provider->setContainer($this->getContainer()); |
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} |
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if ($provider instanceof BootableServiceProviderInterface) { |
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$provider->boot(); |
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} |
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if ($provider instanceof ServiceProviderInterface) { |
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$this->providers[] = $provider; |
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return $this; |
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} |
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throw new ContainerException( |
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'A service provider must be a fully qualified class name or instance ' . |
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'of (\League\Container\ServiceProvider\ServiceProviderInterface)' |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function provides(string $service) : bool |
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{ |
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foreach ($this->getIterator() as $provider) { |
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if ($provider->provides($service)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() : Generator |
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{ |
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$count = count($this->providers); |
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for ($i = 0; $i < $count; $i++) { |
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yield $this->providers[$i]; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function register(string $service) |
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{ |
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if (! $this->provides($service)) { |
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throw new ContainerException( |
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sprintf('(%s) is not provided by a service provider', $service) |
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); |
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} |
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foreach ($this->getIterator() as $provider) { |
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if (in_array($provider->getIdentifier(), $this->registered)) { |
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continue; |
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} |
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if ($provider->provides($service)) { |
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$provider->register(); |
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$this->registered[] = $provider->getIdentifier(); |
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} |
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} |
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} |
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} |
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thephpleague /
container
