try to parse body stream before passing it to the CommandRequest, bec…

…ause we all can only read once from php input stream.

src/Command/CommandRequest.php

@@ -5,7 +5,6 @@
 use Simovative\Zeus\Stream\StreamInterface;
 use Throwable;
 
-use function is_string;
 use function json_decode;
 
 /**
@@ -19,13 +18,13 @@ class CommandRequest {
 	private $valueMap;
 
     /**
-     * @var null|array|StreamInterface
+     * @var null|array|object
      */
     private $body;
 
     /**
      * @param array|mixed[] $valueMap
-     * @param null|array|StreamInterface $body
+     * @param null|array|object $body
      * @author Benedikt Schaller
      */
 	public function __construct(array $valueMap, $body) {
@@ -42,15 +41,8 @@ public static function fromHttpRequest(HttpRequestInterface $httpRequest) {
 		$body = $httpRequest->getParsedBody();
 
 		if ($body instanceof StreamInterface) {
-			$body = $body->getContents();
-		}
-
-		if (is_string($body)) {
-			try {
-				$body = json_decode($body);
-			} catch (Throwable $exception) {
-				// continue
-			}
+			$body = clone $body;
+			$body = json_decode($body->getContents());
 		}
 
 		return new CommandRequest($httpRequest->all(), $body);
@@ -88,7 +80,7 @@ public function all() {
 	}
 
     /**
-     * @return null|array|StreamInterface
+     * @return null|array|object
      */
     public function getBody() {
         return $this->body;