1 files changed, 77 insertions, 0 deletions
diff --git a/Core/Encoder/EncoderFactory.php b/Core/Encoder/EncoderFactory.php
new file mode 100644
index 0000000..0f218fe
--- /dev/null
+++ b/Core/Encoder/EncoderFactory.php
@@ -0,0 +1,77 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Security\Core\Encoder;
+
+use Symfony\Component\Security\Core\User\AccountInterface;
+
+/**
+ * A generic encoder factory implementation
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class EncoderFactory implements EncoderFactoryInterface
+{
+    protected $encoders;
+    protected $encoderMap;
+
+    public function __construct(array $encoderMap)
+    {
+        $this->encoders = array();
+        $this->encoderMap = $encoderMap;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getEncoder(AccountInterface $account)
+    {
+        foreach ($this->encoders as $class => $encoder) {
+            if ($account instanceof $class) {
+                return $encoder;
+            }
+        }
+
+        return $this->createEncoder($account);
+    }
+
+    /**
+     * Adds an encoder instance to the factory
+     *
+     * @param string $class
+     * @param PasswordEncoderInterface $encoder
+     * @return void
+     */
+    public function addEncoder($class, PasswordEncoderInterface $encoder)
+    {
+        $this->encoders[$class] = $encoder;
+    }
+
+    /**
+     * Creates the actual encoder instance
+     *
+     * @param AccountInterface $account
+     * @return PasswordEncoderInterface
+     */
+    protected function createEncoder($account)
+    {
+        foreach ($this->encoderMap as $class => $config) {
+            if ($account instanceof $class) {
+                $reflection = new \ReflectionClass($config['class']);
+                $this->encoders[$class] = $reflection->newInstanceArgs($config['arguments']);
+
+                return $this->encoders[$class];
+            }
+        }
+
+        throw new \InvalidArgumentException(sprintf('No encoder has been configured for account "%s".', get_class($account)));
+    }
+}
+\ No newline at end of file