spaces.php

aws/Aws/Api/Serializer/JsonRpcSerializer.php

@@ -0,0 +1,69 @@
+<?php
+namespace Aws\Api\Serializer;
+
+use Aws\Api\Service;
+use Aws\CommandInterface;
+use GuzzleHttp\Psr7\Request;
+use Psr\Http\Message\RequestInterface;
+
+/**
+ * Prepares a JSON-RPC request for transfer.
+ * @internal
+ */
+class JsonRpcSerializer
+{
+    /** @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
+     *
+     * @return RequestInterface
+     */
+    public function __invoke(CommandInterface $command)
+    {
+        $name = $command->getName();
+        $operation = $this->api->getOperation($name);
+
+        return new Request(
+            $operation['http']['method'],
+            $this->endpoint,
+            [
+                'X-Amz-Target' => $this->api->getMetadata('targetPrefix') . '.' . $name,
+                'Content-Type' => $this->contentType
+            ],
+            $this->jsonFormatter->build(
+                $operation->getInput(),
+                $command->toArray()
+            )
+        );
+    }
+}