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:	* @template T of array<string, mixed> = array<string, mixed>
25:	*
26:	* @implements Arrayable<T>
27:	*
28:	* @see https://github.com/modelcontextprotocol/modelcontextprotocol/blob/main/schema/draft/schema.ts
29:	*/
30:	abstract readonly class ResourceContents implements Arrayable
31:	{
32:	/**
33:	* @var non-empty-string
34:	*/
35:	public string $uri;
36:
37:	/**
38:	* @var null\|non-empty-string
39:	*/
40:	public ?string $mimeType;
41:
42:	public function __construct(
43:	string $uri,
44:	?string $mimeType = null,
45:	public MetaObject $meta = new MetaObject(),
46:	) {
47:	Rfc3986UriValidator::validate($uri, 'resource contents "uri"');
48:	Assert::that($mimeType)->nullOr()->isNonEmptyString('resource contents "mimeType" must be a non-empty string or null.');
49:
50:	$this->uri = $uri;
51:	$this->mimeType = $mimeType;
52:	}
53:
54:	#[\Override]
55:	public function jsonSerialize(): array
56:	{
57:	return $this->toArray();
58:	}
59:	}
60: