File Core/Schema/Error/UnknownProtocolError.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\Error;
15:
16:	use Nexus\Assert\Assert;
17:	use Nexus\Assert\ExpectationFailedException;
18:	use Nexus\Mcp\Core\Schema\Enum\ProtocolErrorCode;
19:	use Nexus\Mcp\Core\Schema\Error;
20:
21:	/**
22:	* Error carrying a raw integer code that does not map to a known `ProtocolErrorCode` case.
23:	*
24:	* @see https://www.jsonrpc.org/specification#error_object
25:	*/
26:	final readonly class UnknownProtocolError extends Error
27:	{
28:	public function __construct(int $code, string $message, mixed $data = null)
29:	{
30:	if (ProtocolErrorCode::tryFrom($code) !== null) {
31:	throw new ExpectationFailedException(
32:	'code {value} maps to a known protocol error code.',
33:	['value' => var_export($code, true)],
34:	);
35:	}
36:
37:	parent::__construct($code, $message, $data);
38:	}
39:
40:	/**
41:	* @param array{code: int, message: string, data?: mixed} $data
42:	*/
43:	#[\Override]
44:	public static function fromArray(array $data): static
45:	{
46:	Assert::that($data)->hasOffset('code', 'missing the required "code" key.');
47:	Assert::that($data['code'])->isInt('"code" must be an integer, {type} given.');
48:
49:	Assert::that($data)->hasOffset('message', 'missing the required "message" key.');
50:	Assert::that($data['message'])->isString('"message" must be a string, {type} given.');
51:
52:	return new self($data['code'], $data['message'], $data['data'] ?? null);
53:	}
54:	}
55:

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