From d17cf064af7667d269bbae46f80c87521348d626 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Sun, 12 Jul 2015 11:20:49 +0100
Subject: [PATCH] Make sure flowdock handler is configured correctly, fixes
 #597

---
 src/Monolog/Handler/FlowdockHandler.php | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/Monolog/Handler/FlowdockHandler.php b/src/Monolog/Handler/FlowdockHandler.php
index 6eaaa9d4..70656c88 100644
--- a/src/Monolog/Handler/FlowdockHandler.php
+++ b/src/Monolog/Handler/FlowdockHandler.php
@@ -12,6 +12,7 @@
 namespace Monolog\Handler;
 
 use Monolog\Logger;
+use Monolog\Formatter\FlowdockFormatter;
 
 /**
  * Sends notifications through the Flowdock push API
@@ -48,6 +49,28 @@ class FlowdockHandler extends SocketHandler
         $this->apiToken = $apiToken;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function setFormatter(FormatterInterface $formatter)
+    {
+        if (!$formatter instanceof FlowdockFormatter) {
+            throw new \InvalidArgumentException('The FlowdockHandler requires an instance of Monolog\Formatter\FlowdockFormatter to function correctly');
+        }
+
+        return parent::setFormatter($formatter);
+    }
+
+    /**
+     * Gets the default formatter.
+     *
+     * @return FormatterInterface
+     */
+    protected function getDefaultFormatter()
+    {
+        throw new \InvalidArgumentException('The FlowdockHandler must be configured (via setFormatter) with an instance of Monolog\Formatter\FlowdockFormatter to function correctly');
+    }
+
     /**
      * {@inheritdoc}
      *