comparison vendor/zendframework/zend-diactoros/src/Request/ArraySerializer.php @ 0:c75dbcec494b

Initial commit from drush-created site

+<?php
+/**
+ * @see       http://github.com/zendframework/zend-diactoros for the canonical source repository
+ * @copyright Copyright (c) 2017 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   https://github.com/zendframework/zend-diactoros/blob/master/LICENSE.md New BSD License
+ */
+
+namespace Zend\Diactoros\Request;
+
+use Psr\Http\Message\RequestInterface;
+use UnexpectedValueException;
+use Zend\Diactoros\Request;
+use Zend\Diactoros\Stream;
+
+/**
+ * Serialize or deserialize request messages to/from arrays.
+ *
+ * This class provides functionality for serializing a RequestInterface instance
+ * to an array, as well as the reverse operation of creating a Request instance
+ * from an array representing a message.
+ */
+final class ArraySerializer
+{
+    /**
+     * Serialize a request message to an array.
+     *
+     * @param RequestInterface $request
+     * @return array
+     */
+    public static function toArray(RequestInterface $request)
+    {
+        return [
+            'method'           => $request->getMethod(),
+            'request_target'   => $request->getRequestTarget(),
+            'uri'              => (string) $request->getUri(),
+            'protocol_version' => $request->getProtocolVersion(),
+            'headers'          => $request->getHeaders(),
+            'body'             => (string) $request->getBody(),
+        ];
+    }
+
+    /**
+     * Deserialize a request array to a request instance.
+     *
+     * @param array $serializedRequest
+     * @return Request
+     * @throws UnexpectedValueException when cannot deserialize response
+     */
+    public static function fromArray(array $serializedRequest)
+    {
+        try {
+            $uri             = self::getValueFromKey($serializedRequest, 'uri');
+            $method          = self::getValueFromKey($serializedRequest, 'method');
+            $body            = new Stream('php://memory', 'wb+');
+            $body->write(self::getValueFromKey($serializedRequest, 'body'));
+            $headers         = self::getValueFromKey($serializedRequest, 'headers');
+            $requestTarget   = self::getValueFromKey($serializedRequest, 'request_target');
+            $protocolVersion = self::getValueFromKey($serializedRequest, 'protocol_version');
+
+            return (new Request($uri, $method, $body, $headers))
+                ->withRequestTarget($requestTarget)
+                ->withProtocolVersion($protocolVersion);
+        } catch (\Exception $exception) {
+            throw new UnexpectedValueException('Cannot deserialize request', null, $exception);
+        }
+    }
+
+    /**
+     * @param array $data
+     * @param string $key
+     * @param string $message
+     * @return mixed
+     * @throws UnexpectedValueException
+     */
+    private static function getValueFromKey(array $data, $key, $message = null)
+    {
+        if (isset($data[$key])) {
+            return $data[$key];
+        }
+        if ($message === null) {
+            $message = sprintf('Missing "%s" key in serialized request', $key);
+        }
+        throw new UnexpectedValueException($message);
+    }
+}