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<?php |
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/** |
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* MCP Transport Factory for initializing MCP transports. |
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* |
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* @package McpAdapter |
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*/ |
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|
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declare( strict_types=1 ); |
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|
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namespace WP\MCP\Core; |
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|
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use WP\MCP\Handlers\Initialize\InitializeHandler; |
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use WP\MCP\Handlers\Prompts\PromptsHandler; |
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use WP\MCP\Handlers\Resources\ResourcesHandler; |
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use WP\MCP\Handlers\System\SystemHandler; |
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use WP\MCP\Handlers\Tools\ToolsHandler; |
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use WP\MCP\Transport\Contracts\McpTransportInterface; |
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use WP\MCP\Transport\Infrastructure\McpTransportContext; |
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|
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/** |
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* Factory for creating and initializing MCP transports. |
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*/ |
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class McpTransportFactory { |
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/** |
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* MCP Server instance. |
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* |
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* @var \WP\MCP\Core\McpServer |
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*/ |
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private McpServer $mcp_server; |
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|
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/** |
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* Constructor. |
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* |
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* @param \WP\MCP\Core\McpServer $mcp_server MCP server instance. |
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*/ |
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public function __construct( McpServer $mcp_server ) { |
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$this->mcp_server = $mcp_server; |
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} |
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|
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/** |
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* Initialize MCP transports for the server. |
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* |
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* @param array<class-string<\WP\MCP\Transport\Contracts\McpTransportInterface>> $mcp_transports Array of MCP transport class names to initialize. |
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*/ |
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public function initialize_transports( array $mcp_transports ): void { |
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foreach ( $mcp_transports as $mcp_transport ) { |
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// Check if the class exists |
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if ( ! class_exists( $mcp_transport ) ) { |
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_doing_it_wrong( |
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__FUNCTION__, |
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sprintf( |
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/* translators: %s: Transport class name */ |
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esc_html__( 'Transport class "%s" does not exist. Make sure the class is properly autoloaded or included.', 'mcp-adapter' ), |
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esc_html( $mcp_transport ) |
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), |
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'0.1.0' |
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); |
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// Log error and continue processing other transports |
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$this->mcp_server->get_error_handler()->log( |
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sprintf( 'Transport class "%s" does not exist.', $mcp_transport ), |
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array( 'McpTransportFactory::initialize_transports' ) |
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); |
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continue; |
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} |
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|
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// Check for interface implementation |
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if ( ! in_array( McpTransportInterface::class, class_implements( $mcp_transport ) ?: array(), true ) ) { |
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_doing_it_wrong( |
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__FUNCTION__, |
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sprintf( |
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/* translators: %s: Transport class name */ |
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esc_html__( 'Transport class "%s" must implement McpTransportInterface. Check your transport implementation.', 'mcp-adapter' ), |
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esc_html( $mcp_transport ) |
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), |
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'0.1.0' |
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); |
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// Log error and continue processing other transports |
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$this->mcp_server->get_error_handler()->log( |
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sprintf( 'MCP transport class "%s" must implement the McpTransportInterface.', $mcp_transport ), |
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array( 'McpTransportFactory::initialize_transports' ) |
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); |
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continue; |
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} |
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|
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// Interface-based instantiation with dependency injection |
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$context = $this->create_transport_context(); |
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new $mcp_transport( $context ); |
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} |
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} |
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|
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/** |
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* Create the transport context with all required dependencies. |
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* |
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* @return \WP\MCP\Transport\Infrastructure\McpTransportContext |
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*/ |
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public function create_transport_context(): McpTransportContext { |
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// Create handlers |
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$initialize_handler = new InitializeHandler( $this->mcp_server ); |
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$tools_handler = new ToolsHandler( $this->mcp_server ); |
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$resources_handler = new ResourcesHandler( $this->mcp_server ); |
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$prompts_handler = new PromptsHandler( $this->mcp_server ); |
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$system_handler = new SystemHandler(); |
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|
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// Create the context - the router will be created automatically |
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return new McpTransportContext( |
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array( |
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'mcp_server' => $this->mcp_server, |
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'initialize_handler' => $initialize_handler, |
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'tools_handler' => $tools_handler, |
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'resources_handler' => $resources_handler, |
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'prompts_handler' => $prompts_handler, |
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'system_handler' => $system_handler, |
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'observability_handler' => $this->mcp_server->get_observability_handler(), |
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'error_handler' => $this->mcp_server->get_error_handler(), |
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'transport_permission_callback' => $this->mcp_server->get_transport_permission_callback(), |
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) |
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); |
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} |
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} |
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|
