Update FB API library

1 files changed, 65 insertions, 0 deletions

diff --git a/lib/facebook-graph-sdk/src/Facebook/PersistentData/PersistentDataFactory.php b/lib/facebook-graph-sdk/src/Facebook/PersistentData/PersistentDataFactory.php
new file mode 100644
index 0000000..18fb8fd
--- /dev/null
+++ b/lib/facebook-graph-sdk/src/Facebook/PersistentData/PersistentDataFactory.php
@@ -0,0 +1,65 @@
+<?php
+/**
+ * Copyright 2017 Facebook, Inc.
+ *
+ * You are hereby granted a non-exclusive, worldwide, royalty-free license to
+ * use, copy, modify, and distribute this software in source code or binary
+ * form for use in connection with the web services and APIs provided by
+ * Facebook.
+ *
+ * As with any software that integrates with the Facebook platform, your use
+ * of this software is subject to the Facebook Developer Principles and
+ * Policies [http://developers.facebook.com/policy/]. This copyright notice
+ * shall be included in all copies or substantial portions of the software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+namespace Facebook\PersistentData;
+
+use InvalidArgumentException;
+
+class PersistentDataFactory
+{
+    private function __construct()
+    {
+        // a factory constructor should never be invoked
+    }
+
+    /**
+     * PersistentData generation.
+     *
+     * @param PersistentDataInterface|string|null $handler
+     *
+     * @throws InvalidArgumentException If the persistent data handler isn't "session", "memory", or an instance of Facebook\PersistentData\PersistentDataInterface.
+     *
+     * @return PersistentDataInterface
+     */
+    public static function createPersistentDataHandler($handler)
+    {
+        if (!$handler) {
+            return session_status() === PHP_SESSION_ACTIVE
+                ? new FacebookSessionPersistentDataHandler()
+                : new FacebookMemoryPersistentDataHandler();
+        }
+
+        if ($handler instanceof PersistentDataInterface) {
+            return $handler;
+        }
+
+        if ('session' === $handler) {
+            return new FacebookSessionPersistentDataHandler();
+        }
+        if ('memory' === $handler) {
+            return new FacebookMemoryPersistentDataHandler();
+        }
+
+        throw new InvalidArgumentException('The persistent data handler must be set to "session", "memory", or be an instance of Facebook\PersistentData\PersistentDataInterface');
+    }
+}