From ba30e34511f9585ee9e7f66637d188e5e6545ed8 Mon Sep 17 00:00:00 2001
From: Alex Bilbie <hello@alexbilbie.com>
Date: Sun, 10 Apr 2016 14:31:05 +0100
Subject: [PATCH] Lazy set $accessTokenTTL

---
 src/Server.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Server.php b/src/Server.php
index 48448b5e..65de57eb 100644
--- a/src/Server.php
+++ b/src/Server.php
@@ -111,8 +111,12 @@ class Server implements EmitterAwareInterface
      * @param \League\OAuth2\Server\Grant\GrantTypeInterface $grantType
      * @param \DateInterval                                  $accessTokenTTL
      */
-    public function enableGrantType(GrantTypeInterface $grantType, DateInterval $accessTokenTTL)
+    public function enableGrantType(GrantTypeInterface $grantType, DateInterval $accessTokenTTL = null)
     {
+        if ($accessTokenTTL instanceof DateInterval === false) {
+            $accessTokenTTL = new \DateInterval('PT1H');
+        }
+
         $grantType->setAccessTokenRepository($this->accessTokenRepository);
         $grantType->setClientRepository($this->clientRepository);
         $grantType->setScopeRepository($this->scopeRepository);
@@ -121,7 +125,6 @@ class Server implements EmitterAwareInterface
         $grantType->setEmitter($this->getEmitter());
 
         $this->enabledGrantTypes[$grantType->getIdentifier()] = $grantType;
-
         $this->grantTypeAccessTokenTTL[$grantType->getIdentifier()] = $accessTokenTTL;
     }