[HttpFoundation] Add ability to change JSON encoding options

src/Symfony/Component/HttpFoundation/CHANGELOG.md

@@ -1,6 +1,12 @@
 CHANGELOG
 =========
 
+2.5.0
+-----
+
+ * added `JsonResponse::setEncodingOptions()` & `JsonResponse::getEncodingOptions()` for easier manipulation
+   of the options used while encoding data to JSON format.
+
 2.4.0
 -----
 

src/Symfony/Component/HttpFoundation/JsonResponse.php

@@ -26,6 +26,7 @@ class JsonResponse extends Response
 {
     protected $data;
     protected $callback;
+    protected $encodingOptions;
 
     /**
      * Constructor.
@@ -41,6 +42,10 @@ public function __construct($data = null, $status = 200, $headers = array())
         if (null === $data) {
             $data = new \ArrayObject();
         }
+
+        // Encode <, >, ', &, and " for RFC4627-compliant JSON, which may also be embedded into HTML.
+        $this->encodingOptions = JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT;
+
         $this->setData($data);
     }
 
@@ -80,7 +85,7 @@ public function setCallback($callback = null)
     }
 
     /**
-     * Sets the data to be sent as json.
+     * Sets the data to be sent as JSON.
      *
      * @param mixed $data
      *
@@ -90,8 +95,7 @@ public function setCallback($callback = null)
      */
     public function setData($data = array())
     {
-        // Encode <, >, ', &, and " for RFC4627-compliant JSON, which may also be embedded into HTML.
-        $this->data = json_encode($data, JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT);
+        $this->data = json_encode($data, $this->encodingOptions);
 
         if (JSON_ERROR_NONE !== json_last_error()) {
             throw new \InvalidArgumentException($this->transformJsonError());
@@ -101,7 +105,36 @@ public function setData($data = array())
     }
 
     /**
-     * Updates the content and headers according to the json data and callback.
+     * Returns options used while encoding data to JSON.
+     *
+     * @return integer
+     */
+    public function getEncodingOptions()
+    {
+        return $this->encodingOptions;
+    }
+
+    /**
+     * Sets options used while encoding data to JSON.
+     *
+     * @param array $encodingOptions
+     *
+     * @return JsonResponse
+     */
+    public function setEncodingOptions(array $encodingOptions)
+    {
+        $this->encodingOptions = 0;
+        foreach ($encodingOptions as $encodingOption) {
+            if (($this->encodingOptions & $encodingOption) != $encodingOption) {
+                $this->encodingOptions |= $encodingOption;
+            }
+        }
+
+        return $this->setData(json_decode($this->data));
+    }
+
+    /**
+     * Updates the content and headers according to the JSON data and callback.
      *
      * @return JsonResponse
      */

src/Symfony/Component/HttpFoundation/Tests/JsonResponseTest.php

@@ -166,6 +166,25 @@ public function testJsonEncodeFlags()
         $this->assertEquals('"\u003C\u003E\u0027\u0026\u0022"', $response->getContent());
     }
 
+    public function testGetEncodingOptions()
+    {
+        $response = new JsonResponse();
+
+        $this->assertEquals(JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT, $response->getEncodingOptions());
+    }
+
+    public function testSetEncodingOptions()
+    {
+        $response = new JsonResponse();
+        $response->setData(array(array(1, 2, 3)));
+
+        $this->assertEquals('[[1,2,3]]', $response->getContent());
+
+        $response->setEncodingOptions(array(JSON_FORCE_OBJECT));
+
+        $this->assertEquals('{"0":{"0":1,"1":2,"2":3}}', $response->getContent());
+    }
+
     /**
      * @expectedException \InvalidArgumentException
      */