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|
<?php
namespace Aws\Api\Serializer;
use Aws\Api\Service;
use Aws\CommandInterface;
use Aws\EndpointV2\EndpointProviderV2;
use Aws\EndpointV2\EndpointV2SerializerTrait;
use GuzzleHttp\Psr7\Request;
use Psr\Http\Message\RequestInterface;
/**
* Prepares a JSON-RPC request for transfer.
* @internal
*/
class JsonRpcSerializer
{
use EndpointV2SerializerTrait;
/** @var JsonBody */
private $jsonFormatter;
/** @var string */
private $endpoint;
/** @var Service */
private $api;
/** @var string */
private $contentType;
/**
* @param Service $api Service description
* @param string $endpoint Endpoint to connect to
* @param JsonBody $jsonFormatter Optional JSON formatter to use
*/
public function __construct(
Service $api,
$endpoint,
JsonBody $jsonFormatter = null
) {
$this->endpoint = $endpoint;
$this->api = $api;
$this->jsonFormatter = $jsonFormatter ?: new JsonBody($this->api);
$this->contentType = JsonBody::getContentType($api);
}
/**
* When invoked with an AWS command, returns a serialization array
* containing "method", "uri", "headers", and "body" key value pairs.
*
* @param CommandInterface $command Command to serialize into a request.
* @param $endpointProvider Provider used for dynamic endpoint resolution.
* @param $clientArgs Client arguments used for dynamic endpoint resolution.
*
* @return RequestInterface
*/
public function __invoke(
CommandInterface $command,
$endpointProvider = null,
$clientArgs = null
)
{
$operationName = $command->getName();
$operation = $this->api->getOperation($operationName);
$commandArgs = $command->toArray();
$headers = [
'X-Amz-Target' => $this->api->getMetadata('targetPrefix') . '.' . $operationName,
'Content-Type' => $this->contentType
];
if ($endpointProvider instanceof EndpointProviderV2) {
$this->setRequestOptions(
$endpointProvider,
$command,
$operation,
$commandArgs,
$clientArgs,
$headers
);
}
return new Request(
$operation['http']['method'],
$this->endpoint,
$headers,
$this->jsonFormatter->build(
$operation->getInput(),
$commandArgs
)
);
}
}
|
