refactoring for dependency injection and testability.

laravel/session/manager.php

@@ -0,0 +1,59 @@
+<?php namespace Laravel\Session;
+
+use Laravel\Config;
+
+class Manager {
+
+	/**
+	 * The active session driver.
+	 *
+	 * @var Session\Driver
+	 */
+	public static $driver;
+
+	/**
+	 * Get the session driver.
+	 *
+	 * The session driver returned will be the driver specified in the session configuration
+	 * file. Only one session driver may be active for a given request, so the driver will
+	 * be managed as a singleton.
+	 *
+	 * @return Session\Driver
+	 */
+	public static function driver()
+	{
+		if (is_null(static::$driver))
+		{
+			$driver = Config::get('session.driver');
+
+			if (in_array($driver, array('cookie', 'file', 'database', 'memcached')))
+			{
+				return static::$driver = IoC::container()->resolve('laravel.session.'.$driver);
+			}
+
+			throw new \Exception("Session driver [$driver] is not supported.");
+		}
+
+		return static::$driver;
+	}
+
+	/**
+	 * Pass all other methods to the default session driver.
+	 *
+	 * By dynamically passing these method calls to the default driver, the developer is
+	 * able to use with a convenient API when working with the session.
+	 *
+	 * <code>
+	 *		// Get an item from the default session driver
+	 *		$name = Session::get('name');
+	 *
+	 *		// Equivalent call using the driver method
+	 *		$name = Session::driver()->get('name');
+	 * </code>
+	 */
+	public static function __callStatic($method, $parameters)
+	{
+		return call_user_func_array(array(static::driver(), $method), $parameters);
+	}
+
+}