Added new service to convert object to json

Resources/config/marvel.xml

@@ -25,6 +25,8 @@
         <parameter key="octante_marvel_api.client.class">Octante\MarvelAPIBundle\Lib\Client</parameter>
         <parameter key="octante_marvel_api.authentication.class">Octante\MarvelAPIBundle\Lib\Authentication</parameter>
 
+        <parameter key="octante_marvel_api.encode2json.class">Octante\MarvelAPIBundle\Services\JsonSerialize</parameter>
+
     </parameters>
 
     <services>
@@ -69,6 +71,9 @@
             <argument type="service" id="marvel.client"/>
         </service>
 
+        <service id="marvel.tojson" class="%octante_marvel_api.encode2json.class%">
+        </service>
+
     </services>
 
 </container>

Services/JsonSerialize.php

@@ -0,0 +1,42 @@
+<?php
+/*
+ * This file is part of the UrbanGarden package.
+ *
+ * (c) Issel Guberna <issel.guberna@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Octante\MarvelAPIBundle\Services;
+
+use Symfony\Component\Serializer\Serializer;
+use Symfony\Component\Serializer\Encoder\JsonEncoder;
+use Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer;
+
+
+class JsonSerialize
+{
+    /**
+     * @var Serializer
+     */
+    private $serializer;
+
+    public function __construct()
+    {
+        $encoders = array(new JsonEncoder());
+        $normalizers = array(new GetSetMethodNormalizer());
+
+        $this->serializer = new Serializer($normalizers, $encoders);
+    }
+
+    /**
+     * @param $data
+     *
+     * @return string
+     */
+    public function encode($data)
+    {
+        return $this->serializer->serialize($data, 'json');
+    }
+} 

composer.json

@@ -13,7 +13,8 @@
     ],
     "require": {
         "php": ">=5.4.0",
-        "symfony/framework-bundle": "2.*"
+        "symfony/framework-bundle": "2.*",
+        "symfony/serializer": "3.0.*@dev"
     },
     "autoload": {
         "psr-4": {"Octante\\MarvelAPIBundle\\": ""}