Add a discovery strategy

ConfiguredClientsStrategy.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Http\HttplugBundle;
+
+use Http\Client\HttpClient;
+use Http\Discovery\Exception\StrategyUnavailableException;
+use Http\Discovery\HttpClientDiscovery;
+use Http\Discovery\Strategy\DiscoveryStrategy;
+
+/**
+ * A strategy that provide clients configured with HTTPlug bundle.
+ *
+ * @author Tobias Nyholm <[email protected]>
+ */
+class ConfiguredClientsStrategy implements DiscoveryStrategy
+{
+    /**
+     * @var HttpClient
+     */
+    private static $client;
+
+    /**
+     * @param HttpClient $httpClient
+     */
+    public function __construct(HttpClient $httpClient)
+    {
+        static::$client = $httpClient;
+
+        HttpClientDiscovery::prependStrategy(self::class);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public static function getCandidates($type)
+    {
+        if (static::$client !== null && $type == 'Http\Client\HttpClient') {
+            return [['class' => function() { return static::$client; }]];
+        }
+
+        return [];
+    }
+}

DependencyInjection/HttplugExtension.php

@@ -53,6 +53,7 @@ public function load(array $configs, ContainerBuilder $container)
             }
         }
 
+        // Set main aliases
         foreach ($config['main_alias'] as $type => $id) {
             $container->setAlias(sprintf('httplug.%s', $type), $id);
         }
@@ -69,9 +70,12 @@ public function load(array $configs, ContainerBuilder $container)
      */
     private function configureClients(ContainerBuilder $container, array $config)
     {
+        // If we have a client named 'default'
         $first = isset($config['clients']['default']) ? 'default' : null;
+
         foreach ($config['clients'] as $name => $arguments) {
             if ($first === null) {
+                // Save the name of the first configurated client.
                 $first = $name;
             }
 

Resources/config/services.xml

@@ -4,6 +4,9 @@
            xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
 
     <services>
+        <service id="httplug.strategy" class="Http\HttplugBundle\ConfiguredClientsStrategy" public="true">
+            <argument type="service" id="httplug.client"/>
+        </service>
 
         <!-- ClientFactories -->
         <service id="httplug.factory.buzz" class="Http\HttplugBundle\ClientFactory\BuzzFactory" public="false">