Update README.markdown

README.markdown

@@ -790,4 +790,46 @@ knp_gaufrette:
                     checksum: checksum
 ```
 
+## Dropbox (dropbox)
+
+Adapter for Dropbox.
+
+### Parameters
+
+ * `api_id` The id of the service that provides Dropbox API access.
+
+### Example
+
+> In order to get a Dropbox token and token_secret, you need to add a new Dropbox App in your account, and then you'll need to go through the oAuth authorization process
+
+``` yaml
+# app/config/config.yml
+knp_gaufrette:
+    adapters:
+        foo:
+            dropbox:
+                api_id: acme_test.dropbox.api
+```
+
+In your AcmeTestBundle, add following service definitions:
+
+``` yaml
+# src/Acme/TestBundle/Resources/config/services.yml
+parameters:
+    acme_test.dropbox.key: my_consumer_key
+    acme_test.dropbox.secret: my_consumer_secret
+    acme_test.dropbox.token: some_token
+    acme_test.dropbox.token_secret: some_token_secret
+
+services:
+    acme_test.dropbox.oauth:
+        class: Dropbox_OAuth_Curl
+        arguments: [%acme_test.dropbox.key%, %acme_test.dropbox.secret%]
+        calls:
+            - [setToken, ["%acme_test.dropbox.token%", "%acme_test.dropbox.token_secret%"]]
+    acme_test.dropbox.api:
+        class: Dropbox_API
+        arguments: [@acme_test.dropbox.oauth, "sandbox"]
+```
+
 [gaufrette-homepage]: https://github.com/KnpLabs/Gaufrette