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<?php |
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2
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declare(strict_types=1); |
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3
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4
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namespace Http\Factory\Discovery; |
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6
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use InvalidArgumentException; |
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7
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use RuntimeException; |
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8
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9
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abstract class DiscoveryLocator |
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{ |
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/** @var array */ |
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protected static $candidates = []; |
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14
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/** |
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* @throws RuntimeException If no implementation is available |
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*/ |
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13 |
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public static function locate(string $interface): string |
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{ |
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foreach (static::$candidates[$interface] ?? [] as $candidate) { |
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12 |
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if (class_exists($candidate) && is_subclass_of($candidate, $interface, true)) { |
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return $candidate; |
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} |
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} |
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1 |
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throw new RuntimeException("$interface has no available implementations"); |
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} |
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8 |
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public static function register(string $interface, string $implementation): void |
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{ |
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8 |
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self::assertValidImplementation($interface, $implementation); |
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32
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6 |
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array_unshift(static::$candidates[$interface], $implementation); |
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6 |
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} |
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35
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8 |
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public static function unregister(string $interface, string $implementation): void |
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36
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{ |
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8 |
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self::assertValidImplementation($interface, $implementation); |
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39
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6 |
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static::$candidates[$interface] = array_diff( |
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6 |
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static::$candidates[$interface], |
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6 |
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[$implementation] |
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); |
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6 |
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static::clearCache($interface); |
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6 |
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} |
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47
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/** |
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48
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* @throws InvalidArgumentException If the factory is not supported or the implementation is invalid |
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49
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*/ |
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50
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10 |
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private static function assertValidImplementation(string $interface, string $implementation): void |
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{ |
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52
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10 |
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if (! isset(static::$candidates[$interface])) { |
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2 |
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throw new InvalidArgumentException("$interface is not a supported factory"); |
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54
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} |
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56
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8 |
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if (! is_subclass_of($implementation, $interface, true)) { |
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57
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2 |
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throw new InvalidArgumentException("$implementation does not implement $interface"); |
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58
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} |
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59
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6 |
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} |
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60
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61
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abstract protected static function clearCache(?string $interface = null): void; |
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62
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} |
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63
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http-interop /
http-factory-discovery
