File Client/Handler/Notification/LoggingMessageNotificationHandler.php

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	/**
6:	* This file is part of the Nexus MCP SDK package.
7:	*
8:	* (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9:	*
10:	* For the full copyright and license information, please view
11:	* the LICENSE file that was distributed with this source code.
12:	*/
13:
14:	namespace Nexus\Mcp\Client\Handler\Notification;
15:
16:	use Nexus\Mcp\Core\Handler\NotificationHandlerInterface;
17:	use Nexus\Mcp\Core\Schema\JsonRpc\JsonRpcNotification;
18:	use Nexus\Mcp\Core\Schema\Notification\LoggingMessageNotification;
19:
20:	/**
21:	* Adapts a closure into a `notifications/message` handler, so consumers can
22:	* register a callback instead of an interface implementation.
23:	*
24:	* @implements NotificationHandlerInterface<'notifications/message'>
25:	*/
26:	final readonly class LoggingMessageNotificationHandler implements NotificationHandlerInterface
27:	{
28:	/**
29:	* @param \Closure(LoggingMessageNotification): void $listener
30:	*/
31:	public function __construct(private \Closure $listener)
32:	{
33:	}
34:
35:	#[\Override]
36:	public function handle(JsonRpcNotification $notification): void
37:	{
38:	\assert($notification instanceof LoggingMessageNotification);
39:
40:	($this->listener)($notification);
41:	}
42:	}
43: