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<?php
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namespace Aws\Api\Parser;
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use Aws\Api\StructureShape;
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use Aws\Api\Service;
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use Aws\Result;
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use Aws\CommandInterface;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\StreamInterface;
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/**
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 * @internal Implements JSON-RPC parsing (e.g., DynamoDB)
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 */
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class JsonRpcParser extends AbstractParser
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{
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    use PayloadParserTrait;
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    /**
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     * @param Service    $api    Service description
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     * @param JsonParser $parser JSON body builder
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     */
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    public function __construct(Service $api, JsonParser $parser = null)
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    {
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        parent::__construct($api);
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        $this->parser = $parser ?: new JsonParser();
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    }
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    public function __invoke(
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        CommandInterface $command,
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        ResponseInterface $response
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    ) {
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        $operation = $this->api->getOperation($command->getName());
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        $result = null === $operation['output']
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            ? null
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            : $this->parseMemberFromStream(
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                $response->getBody(),
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                $operation->getOutput(),
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                $response
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            );
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        return new Result($result ?: []);
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    }
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    public function parseMemberFromStream(
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        StreamInterface $stream,
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        StructureShape $member,
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        $response
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    ) {
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        return $this->parser->parse($member, $this->parseJson($stream, $response));
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    }
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}