[Doc] Added header tutorial

Resources/doc/index.rst

@@ -23,5 +23,6 @@ Tutorial
 
     tutorial/array
     tutorial/complex_type
+    tutorial/header
 
 .. _`ckWebServicePlugin`: http://www.symfony-project.org/plugins/ckWebServicePlugin

Resources/doc/tutorial/header.rst

@@ -0,0 +1,32 @@
+Header
+======
+
+Controller
+----------
+
+.. code-block:: php
+
+    namespace My\App\Controller;
+
+    use BeSimple\SoapBundle\ServiceDefinition\Annotation as Soap;
+    use BeSimple\SoapBundle\Soap\SoapResponse;
+    use Symfony\Component\DependencyInjection\ContainerAware;
+
+    class DemoController extends ContainerAware
+    {
+        /**
+         * @Soap\Method("hello")
+         * @Soap\Header("api_key", phpType = "string")
+         * @Soap\Param("names", phpType = "string[]")
+         * @Soap\Result(phpType = "string")
+         */
+        public function helloAction(array $names)
+        {
+            $soapHeaders = $this->container->get('request')->getSoapHeaders();
+            if (!$soapHeaders->has('api_key') || '1234' !== $soapHeaders->get('api_key')->getData()) {
+                throw new \SoapFault("INVALID_API_KEY", "The api_key is invalid.");
+            }
+
+            return new SoapResponse("Hello ".implode(', ', $names));
+        }
+    }