File Core/Schema/Error/InternalError.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\Mcp\Core\Schema\Enum\ProtocolErrorCode;
18:	use Nexus\Mcp\Core\Schema\Error;
19:
20:	/**
21:	* A JSON-RPC error indicating that an internal error occurred on the receiver.
22:	*
23:	* This error is returned when the receiver encounters an unexpected condition that prevents it
24:	* from fulfilling the request.
25:	*
26:	* @extends Error<array{code: -32603, message: non-empty-string, data?: mixed}>
27:	*
28:	* @see https://modelcontextprotocol.io/specification/draft/schema#internalerror
29:	*/
30:	final readonly class InternalError extends Error
31:	{
32:	public const string DEFAULT_MESSAGE = 'Internal error';
33:
34:	public function __construct(string $message, mixed $data = null)
35:	{
36:	parent::__construct(code: ProtocolErrorCode::InternalError, message: $message, data: $data);
37:	}
38:
39:	#[\Override]
40:	public static function fromArray(array $data): static
41:	{
42:	$message = $data['message'] ?? self::DEFAULT_MESSAGE;
43:	Assert::that($message)->isString('error "message" must be a string, {type} given.');
44:
45:	return new self(message: $message, data: $data['data'] ?? null);
46:	}
47:
48:	#[\Override]
49:	public function toArray(): array
50:	{
51:	$result = [
52:	'code' => ProtocolErrorCode::InternalError->value,
53:	'message' => $this->message,
54:	];
55:
56:	$data = $this->data ?? [];
57:
58:	if ([] !== $data) {
59:	$result['data'] = $data;
60:	}
61:
62:	return $result;
63:	}
64:	}
65:

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