83 lines
2.3 KiB
PHP
83 lines
2.3 KiB
PHP
<?php
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namespace Aws\Api\Parser;
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use Aws\Api\Operation;
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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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return $this->parseResponse($response, $operation);
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}
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/**
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* This method parses a response based on JSON RPC protocol.
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*
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* @param ResponseInterface $response the response to parse.
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* @param Operation $operation the operation which holds information for
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* parsing the response.
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*
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* @return Result
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*/
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private function parseResponse(ResponseInterface $response, Operation $operation)
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{
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if (null === $operation['output']) {
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return new Result([]);
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}
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$outputShape = $operation->getOutput();
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foreach ($outputShape->getMembers() as $memberName => $memberProps) {
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if (!empty($memberProps['eventstream'])) {
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return new Result([
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$memberName => new EventParsingIterator(
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$response->getBody(),
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$outputShape->getMember($memberName),
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$this
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)
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]);
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}
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}
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$result = $this->parseMemberFromStream(
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$response->getBody(),
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$operation->getOutput(),
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$response
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);
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return new Result(is_null($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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}
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