File Core/Schema/Resource/ResourceContents.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\Schema\MetaObject;
19:	use Nexus\Mcp\Core\Validation\Rfc3986UriValidator;
20:
21:	/**
22:	* The contents of a specific resource or sub-resource.
23:	*
24:	* @implements Arrayable<array{
25:	* uri: non-empty-string,
26:	* mimeType?: non-empty-string,
27:	* _meta?: template-type<MetaObject, Arrayable, 'T'>,
28:	* ...<string, mixed>
29:	* }>
30:	*
31:	* @see https://github.com/modelcontextprotocol/modelcontextprotocol/blob/main/schema/2025-11-25/schema.ts
32:	*/
33:	abstract readonly class ResourceContents implements Arrayable
34:	{
35:	/**
36:	* @var non-empty-string
37:	*/
38:	public string $uri;
39:
40:	/**
41:	* @var null\|non-empty-string
42:	*/
43:	public ?string $mimeType;
44:
45:	public function __construct(
46:	string $uri,
47:	?string $mimeType = null,
48:	public MetaObject $meta = new MetaObject(),
49:	) {
50:	Rfc3986UriValidator::validate($uri, 'resource contents "uri"');
51:	Assert::that($mimeType)->nullOr()->isNonEmptyString('resource contents "mimeType" must be a non-empty string or null.');
52:
53:	$this->uri = $uri;
54:	$this->mimeType = $mimeType;
55:	}
56:
57:	/**
58:	* @param array<string, mixed> $data
59:	*/
60:	#[\Override]
61:	abstract public static function fromArray(array $data): static;
62:
63:	/**
64:	* Serializes the shared fields. Subclasses override to merge their own
65:	* payload field alongside the slice returned here.
66:	*/
67:	#[\Override]
68:	public function toArray(): array
69:	{
70:	$data = ['uri' => $this->uri];
71:
72:	if (null !== $this->mimeType) {
73:	$data['mimeType'] = $this->mimeType;
74:	}
75:
76:	$meta = $this->meta->toArray();
77:
78:	if ([] !== $meta) {
79:	$data['_meta'] = $meta;
80:	}
81:
82:	return $data;
83:	}
84:
85:	#[\Override]
86:	public function jsonSerialize(): array
87:	{
88:	return $this->toArray();
89:	}
90:	}
91:

Namespaces

Classes