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<?php
/* ============================================================================
* Copyright 2020 Zindex Software
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================================ */
namespace Opis\JsonSchema\Keywords;
use Opis\JsonSchema\Errors\ValidationError;
use Opis\JsonSchema\{Helper, ValidationContext, Keyword, Schema};
class ConstKeyword implements Keyword
{
use ErrorTrait;
/** @var mixed */
protected $const;
/**
* @param $const
*/
public function __construct($const)
{
$this->const = $const;
}
/**
* @inheritDoc
*/
public function validate(ValidationContext $context, Schema $schema): ?ValidationError
{
if (Helper::equals($this->const, $context->currentData())) {
return null;
}
return $this->error($schema, $context, 'const', 'The data must must match the const value', [
'const' => $this->const
]);
}
}
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