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/2025-11-25/schema#resourcetemplatereference
29:	*/
30:	final readonly class ResourceTemplateReference implements Arrayable
31:	{
32:	public const string TYPE = 'ref/resource';
33:
34:	/**
35:	* @var non-empty-string
36:	*/
37:	public string $uri;
38:
39:	public function __construct(string $uri)
40:	{
41:	Rfc6570UriTemplateValidator::validate($uri, 'resource template reference "uri"');
42:
43:	$this->uri = $uri;
44:	}
45:
46:	/**
47:	* @param array<string, mixed> $data
48:	*/
49:	#[\Override]
50:	public static function fromArray(array $data): static
51:	{
52:	Assert::that($data)->hasOffset('type', 'resource template reference missing the required "type" key.');
53:	$type = $data['type'];
54:	Assert::that($type)->isIdentical(self::TYPE, 'resource template reference "type" must be {other}, {value} given.');
55:
56:	Assert::that($data)->hasOffset('uri', 'resource template reference missing the required "uri" key.');
57:	$uri = $data['uri'];
58:	Assert::that($uri)->isString('resource template reference "uri" must be a string, {type} given.');
59:
60:	return new self($uri);
61:	}
62:
63:	#[\Override]
64:	public function toArray(): array
65:	{
66:	return [
67:	'type' => self::TYPE,
68:	'uri' => $this->uri,
69:	];
70:	}
71:
72:	#[\Override]
73:	public function jsonSerialize(): array
74:	{
75:	return $this->toArray();
76:	}
77:	}
78:

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