File Core/Schema/Resource/ResourceTemplateReference.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\Core\Schema\Resource;
15:
16:	use Nexus\Assert\Assert;
17:	use Nexus\Mcp\Core\Schema\Arrayable;
18:	use Nexus\Mcp\Core\Validation\Rfc6570UriTemplateValidator;
19:
20:	/**
21:	* A reference to a resource or resource template definition.
22:	*
23:	* @implements Arrayable<array{
24:	* type: 'ref/resource',
25:	* uri: non-empty-string,
26:	* }>
27:	*
28:	* @see https://modelcontextprotocol.io/specification/2026-07-28/schema#resourcetemplatereference
29:	*/
30:	final readonly class ResourceTemplateReference implements Arrayable
31:	{
32:	public const string TYPE = 'ref/resource';
33:
34:	/**
35:	* @param non-empty-string $uri
36:	*/
37:	public function __construct(public string $uri)
38:	{
39:	Rfc6570UriTemplateValidator::validate($uri, 'resource template reference "uri"');
40:	}
41:
42:	#[\Override]
43:	public static function fromArray(array $data): static
44:	{
45:	Assert::that($data)->hasOffset('type', 'resource template reference is missing the required "type" key.');
46:	$type = $data['type'];
47:	Assert::that($type)->isIdentical(self::TYPE, 'resource template reference "type" must be {other}, {value} given.');
48:
49:	Assert::that($data)->hasOffset('uri', 'resource template reference is missing the required "uri" key.');
50:	$uri = $data['uri'];
51:	Assert::that($uri)->isNonEmptyString('resource template reference "uri" must be a non-empty string, {type} given.');
52:
53:	return new self(uri: $uri);
54:	}
55:
56:	#[\Override]
57:	public function toArray(): array
58:	{
59:	return [
60:	'type' => self::TYPE,
61:	'uri' => $this->uri,
62:	];
63:	}
64:
65:	#[\Override]
66:	public function jsonSerialize(): array
67:	{
68:	return $this->toArray();
69:	}
70:	}
71:

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