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SchemaValidator.php
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SchemaValidator.php
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<?php
declare(strict_types=1);
/**
* Copyright (c) 2021-2022 Andreas M枚ller
*
* For the full copyright and license information, please view
* the LICENSE.md file that was distributed with this source code.
*
* @see https://github.com/ergebnis/json-schema-validator
*/
namespace Ergebnis\Json\SchemaValidator;
use Ergebnis\Json\Pointer;
use Ergebnis\Json\SchemaValidator\Exception\CanNotResolve;
use JsonSchema\Constraints;
use JsonSchema\Exception;
use JsonSchema\SchemaStorage;
use JsonSchema\Uri;
use JsonSchema\Validator;
final class SchemaValidator
{
/**
* @throws CanNotResolve
*/
public function validate(
Json $json,
Json $schema,
Pointer\JsonPointer $jsonPointer
): ValidationResult {
$schemaDecoded = \json_decode(
$schema->toString(),
false,
);
$uriRetriever = new Uri\UriRetriever();
if (!$jsonPointer->equals(Pointer\JsonPointer::document())) {
try {
$subSchemaDecoded = $uriRetriever->resolvePointer(
$schemaDecoded,
$jsonPointer->toUriFragmentIdentifierString(),
);
} catch (Exception\ResourceNotFoundException $exception) {
throw CanNotResolve::jsonPointer($jsonPointer);
}
$schemaDecoded = $subSchemaDecoded;
}
$schemaStorage = new SchemaStorage(
$uriRetriever,
new Uri\UriResolver(),
);
$validator = new Validator(new Constraints\Factory(
$schemaStorage,
$uriRetriever,
));
$jsonDecoded = \json_decode(
$json->toString(),
false,
);
$validator->validate(
$jsonDecoded,
$schemaDecoded,
);
/** @var array<int, array> $originalErrors */
$originalErrors = $validator->getErrors();
$validationErrors = \array_map(static function (array $error): ValidationError {
return ValidationError::create(
Pointer\JsonPointer::fromJsonString($error['pointer']),
Message::fromString($error['message']),
);
}, $originalErrors);
return ValidationResult::create(...$validationErrors);
}
}