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<?php |
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|
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declare(strict_types=1); |
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|
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namespace WP\McpSchema\Common\Protocol\Factory; |
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|
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use WP\McpSchema\Common\Protocol\Union\ContentBlockInterface; |
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use WP\McpSchema\Common\Content\DTO\TextContent; |
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use WP\McpSchema\Common\Content\DTO\ImageContent; |
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use WP\McpSchema\Common\Content\DTO\AudioContent; |
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use WP\McpSchema\Server\Resources\DTO\ResourceLink; |
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use WP\McpSchema\Common\Protocol\DTO\EmbeddedResource; |
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|
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/** |
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* Factory for creating ContentBlock union type instances. |
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* |
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* @mcp-domain Common |
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* @mcp-subdomain Protocol |
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* @mcp-version 2025-11-25 |
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*/ |
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final class ContentBlockFactory |
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{ |
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/** |
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* Registry mapping discriminator values to implementation classes. |
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* |
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* @var array<string, class-string<ContentBlockInterface>> |
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*/ |
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public const REGISTRY = [ |
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'text' => TextContent::class, |
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'image' => ImageContent::class, |
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'audio' => AudioContent::class, |
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'resource_link' => ResourceLink::class, |
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'resource' => EmbeddedResource::class, |
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]; |
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|
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/** |
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* Creates an instance from an array. |
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* |
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* @param array<string, mixed> $data |
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* @return ContentBlockInterface |
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* @throws \InvalidArgumentException |
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*/ |
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public static function fromArray(array $data): ContentBlockInterface |
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{ |
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if (!isset($data['type'])) { |
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throw new \InvalidArgumentException('Missing discriminator field: type'); |
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} |
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|
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/** @var string $type */ |
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$type = $data['type']; |
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if (!isset(self::REGISTRY[$type])) { |
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throw new \InvalidArgumentException(sprintf( |
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"Unknown type value '%s'. Valid values: %s", |
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$type, |
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implode(', ', array_keys(self::REGISTRY)) |
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)); |
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} |
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|
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$class = self::REGISTRY[$type]; |
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return $class::fromArray($data); |
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} |
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|
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/** |
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* Checks if a type value is supported by this factory. |
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* |
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* @param string $type |
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* @return bool |
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*/ |
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public static function supports(string $type): bool |
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{ |
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return isset(self::REGISTRY[$type]); |
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} |
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|
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/** |
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* Returns all supported type values. |
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* |
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* @return array<string> |
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*/ |
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public static function types(): array |
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{ |
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return array_keys(self::REGISTRY); |
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} |
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} |
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|
