Moved some grant related functions into a trait to reduce duplicate code

src/League/OAuth2/Server/Grant/AuthCode.php

@@ -24,6 +24,8 @@ use League\OAuth2\Server\Storage\ScopeInterface;
  */
 class AuthCode implements GrantTypeInterface {
 
+    use GrantTrait;
+
     /**
      * Grant identifier
      * @var string
@@ -64,34 +66,6 @@ class AuthCode implements GrantTypeInterface {
         $this->authServer = $authServer;
     }
 
-    /**
-     * Return the identifier
-     * @return string
-     */
-    public function getIdentifier()
-    {
-        return $this->identifier;
-    }
-
-    /**
-     * Return the response type
-     * @return string
-     */
-    public function getResponseType()
-    {
-        return $this->responseType;
-    }
-
-    /**
-     * Override the default access token expire time
-     * @param int $accessTokenTTL
-     * @return void
-     */
-    public function setAccessTokenTTL($accessTokenTTL)
-    {
-        $this->accessTokenTTL = $accessTokenTTL;
-    }
-
     /**
      * Override the default access token expire time
      * @param int $authTokenTTL

src/League/OAuth2/Server/Grant/ClientCredentials.php

@@ -24,6 +24,8 @@ use League\OAuth2\Server\Storage\ScopeInterface;
  */
 class ClientCredentials implements GrantTypeInterface {
 
+    use GrantTrait;
+
     /**
      * Grant identifier
      * @var string

src/League/OAuth2/Server/Grant/GrantTrait.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * OAuth 2.0 Client credentials grant
+ *
+ * @package     php-loep/oauth2-server
+ * @author      Alex Bilbie <hello@alexbilbie.com>
+ * @copyright   Copyright (c) 2013 PHP League of Extraordinary Packages
+ * @license     http://mit-license.org/
+ * @link        http://github.com/php-loep/oauth2-server
+ */
+
+namespace League\OAuth2\Server\Grant;
+
+trait GrantTrait {
+
+    /**
+     * Return the identifier
+     * @return string
+     */
+    public function getIdentifier()
+    {
+        return $this->identifier;
+    }
+
+    /**
+     * Return the response type
+     * @return string
+     */
+    public function getResponseType()
+    {
+        return $this->responseType;
+    }
+
+    /**
+     * Override the default access token expire time
+     * @param int $accessTokenTTL
+     * @return self
+     */
+    public function setAccessTokenTTL($accessTokenTTL)
+    {
+        $this->accessTokenTTL = $accessTokenTTL;
+        return $this;
+    }
+
+}

src/League/OAuth2/Server/Grant/GrantTypeInterface.php

@@ -28,18 +28,6 @@ interface GrantTypeInterface
      */
     public function __construct(Authorization $authServer);
 
-    /**
-     * Returns the grant identifier (used to validate grant_type in League\OAuth2\Server\Authorization::issueAccessToken())
-     * @return string
-     */
-    public function getIdentifier();
-
-    /**
-     * Returns the response type (used to validate response_type in League\OAuth2\Server\Grant\AuthCode::checkAuthoriseParams())
-     * @return null|string
-     */
-    public function getResponseType();
-
     /**
      * Complete the grant flow
      *

src/League/OAuth2/Server/Grant/Implicit.php

@@ -24,6 +24,8 @@ use League\OAuth2\Server\Storage\ScopeInterface;
  */
 class Implicit implements GrantTypeInterface {
 
+    use GrantTrait;
+
     /**
      * Grant identifier
      * @var string
@@ -58,34 +60,6 @@ class Implicit implements GrantTypeInterface {
         $this->authServer = $authServer;
     }
 
-    /**
-     * Return the identifier
-     * @return string
-     */
-    public function getIdentifier()
-    {
-        return $this->identifier;
-    }
-
-    /**
-     * Return the response type
-     * @return string
-     */
-    public function getResponseType()
-    {
-        return $this->responseType;
-    }
-
-    /**
-     * Override the default access token expire time
-     * @param int $accessTokenTTL
-     * @return void
-     */
-    public function setAccessTokenTTL($accessTokenTTL)
-    {
-        $this->accessTokenTTL = $accessTokenTTL;
-    }
-
     /**
      * Complete the client credentials grant
      * @param  null|array $inputParams

src/League/OAuth2/Server/Grant/Password.php

@@ -24,6 +24,8 @@ use League\OAuth2\Server\Storage\ScopeInterface;
  */
 class Password implements GrantTypeInterface {
 
+    use GrantTrait;
+
     /**
      * Grant identifier
      * @var string
@@ -64,34 +66,6 @@ class Password implements GrantTypeInterface {
         $this->authServer = $authServer;
     }
 
-    /**
-     * Return the identifier
-     * @return string
-     */
-    public function getIdentifier()
-    {
-        return $this->identifier;
-    }
-
-    /**
-     * Return the response type
-     * @return string
-     */
-    public function getResponseType()
-    {
-        return $this->responseType;
-    }
-
-    /**
-     * Override the default access token expire time
-     * @param int $accessTokenTTL
-     * @return void
-     */
-    public function setAccessTokenTTL($accessTokenTTL)
-    {
-        $this->accessTokenTTL = $accessTokenTTL;
-    }
-
     /**
      * Set the callback to verify a user's username and password
      * @param callable $callback The callback function

src/League/OAuth2/Server/Grant/RefreshToken.php

@@ -24,6 +24,8 @@ use League\OAuth2\Server\Storage\ScopeInterface;
  */
 class RefreshToken implements GrantTypeInterface {
 
+    use GrantTrait;
+
     /**
      * Grant identifier
      * @var string
@@ -70,34 +72,6 @@ class RefreshToken implements GrantTypeInterface {
         $this->authServer = $authServer;
     }
 
-    /**
-     * Return the identifier
-     * @return string
-     */
-    public function getIdentifier()
-    {
-        return $this->identifier;
-    }
-
-    /**
-     * Return the response type
-     * @return string
-     */
-    public function getResponseType()
-    {
-        return $this->responseType;
-    }
-
-    /**
-     * Override the default access token expire time
-     * @param int $accessTokenTTL
-     * @return void
-     */
-    public function setAccessTokenTTL($accessTokenTTL)
-    {
-        $this->accessTokenTTL = $accessTokenTTL;
-    }
-
     /**
      * Set the TTL of the refresh token
      * @param int $refreshTokenTTL