Implement APC adapter

DependencyInjection/Factory/ApcAdapterFactory.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Knp\Bundle\GaufretteBundle\DependencyInjection\Factory;
+
+use Symfony\Component\Config\Definition\Builder\NodeDefinition;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\DefinitionDecorator;
+
+/**
+ * Apc adapter factory
+ *
+ * @author Alexander Deruwe <alexander.deruwe@gmail.com>
+ */
+class ApcAdapterFactory implements AdapterFactoryInterface
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function create(ContainerBuilder $container, $id, array $config)
+    {
+        $container
+            ->setDefinition($id, new DefinitionDecorator('knp_gaufrette.adapter.apc'))
+            ->replaceArgument(0, $config['prefix'])
+            ->replaceArgument(1, $config['ttl'])
+        ;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getKey()
+    {
+        return 'apc';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function addConfiguration(NodeDefinition $node)
+    {
+        $node
+            ->children()
+                ->scalarNode('prefix')->isRequired()->cannotBeEmpty()->end()
+                ->scalarNode('ttl')->defaultValue(0)->end()
+            ->end()
+        ;
+    }
+}