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<?php |
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declare(strict_types=1); |
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namespace Cakasim\Payone\Sdk\Container; |
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use Cakasim\Payone\Sdk\Container\Binding\BindingInterface; |
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use Cakasim\Payone\Sdk\Container\Binding\CallableBinding; |
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use Cakasim\Payone\Sdk\Container\Binding\ClassBinding; |
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use Cakasim\Payone\Sdk\Container\Binding\InstanceBinding; |
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use Psr\Container\ContainerInterface; |
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/** |
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* A PSR-11 container implementation that |
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* provides simple yet powerful DI features. |
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* |
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* @author Fabian Böttcher <[email protected]> |
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* @since 0.1.0 |
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*/ |
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final class Container implements ContainerInterface |
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{ |
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/** |
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* @var BindingInterface[] Stores the entries of this container. |
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*/ |
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protected $entries = []; |
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/** |
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* Constructs the Container. |
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* |
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* @throws ContainerException If the container fails to bind itself. |
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*/ |
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public function __construct() |
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{ |
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// Bind the container itself. |
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$this->bindInstance(ContainerInterface::class, $this); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function has($id) |
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{ |
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return isset($this->entries[$id]); |
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} |
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/** |
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* Retrieves an entry from the container. |
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* |
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* @param string $id The entry ID. |
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* @return object The container entry. |
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* |
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* @throws NotFountException If the entry ID does not exist. |
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* @throws ContainerException If the entry could not be retrieved. |
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*/ |
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public function get($id) |
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{ |
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if (!$this->has($id)) { |
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throw new NotFountException("The entry for '{$id}' was not found."); |
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} |
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$entry = $this->entries[$id]; |
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if ($entry instanceof BindingInterface) { |
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return $entry->resolve(); |
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} |
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throw new ContainerException("Failed to get entry for '{$id}'."); |
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} |
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/** |
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* Binds a concrete class to the provided ID. |
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* |
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* @param string $id The abstract type of the provided concrete. |
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* @param string|null $concrete The concrete type or null if the provided ID should be used as concrete type. |
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* @param bool $singleton True if the binding is a singleton. |
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* @return $this |
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* |
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* @throws ContainerException If the binding fails. |
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*/ |
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public function bind(string $id, string $concrete = null, bool $singleton = false): self |
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{ |
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$this->throwIfBindingToExistingEntry($id); |
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if ($concrete === null) { |
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$concrete = $id; |
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} |
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$this->entries[$id] = new ClassBinding($this, $id, $concrete, $singleton); |
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return $this; |
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} |
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/** |
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* Binds an instance to the provided ID. |
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* |
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* @param string $id The abstract type of the provided instance. |
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* @param object $concrete The instance to bind to the ID. |
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* @return $this |
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* |
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* @throws ContainerException If the binding fails. |
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*/ |
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public function bindInstance(string $id, $concrete): self |
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{ |
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$this->throwIfBindingToExistingEntry($id); |
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$this->entries[$id] = new InstanceBinding($id, $concrete); |
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return $this; |
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} |
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/** |
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* Binds a callable to the provided ID. |
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* The callable must return an instance that is compatible |
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* to the provided ID. |
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* |
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* @param string $id The abstract type of the callable's return value. |
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* @param callable $concrete The callable which returns the actual binding. |
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* @param bool $singleton True if the binding is a singleton. |
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* @return $this |
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* |
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* @throws ContainerException If binding fails. |
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*/ |
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public function bindCallable(string $id, callable $concrete, bool $singleton = false): self |
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{ |
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$this->throwIfBindingToExistingEntry($id); |
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$this->entries[$id] = new CallableBinding($this, $id, $concrete, $singleton); |
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return $this; |
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} |
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/** |
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* Prevents binding to an already bound ID. |
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* |
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* @param string $id The identifier to check. |
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* |
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* @throws ContainerException If the provided ID is already bound. |
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*/ |
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protected function throwIfBindingToExistingEntry(string $id): void |
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{ |
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if ($this->has($id)) { |
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throw new ContainerException("Failed to bind to identifier '{$id}', the identifier is already bound."); |
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} |
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} |
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} |
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Cakasim /
php-payone-sdk
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