--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Cloud/DocumentService/Factory.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,77 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Cloud
+ * @subpackage DocumentService
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+require_once 'Zend/Cloud/AbstractFactory.php';
+
+/**
+ * Class implementing working with Azure queries in a structured way
+ * 
+ * TODO Look into preventing a query injection attack.
+ *
+ * @category   Zend
+ * @package    Zend_Cloud
+ * @subpackage DocumentService
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Cloud_DocumentService_Factory extends Zend_Cloud_AbstractFactory
+{
+    const DOCUMENT_ADAPTER_KEY = 'document_adapter';
+
+    /**
+     * @var string Interface which adapter must implement to be considered valid
+     */
+    protected static $_adapterInterface = 'Zend_Cloud_DocumentService_Adapter';
+
+    /**
+     * Constructor
+     * 
+     * @return void
+     */
+    private function __construct()
+    {
+        // private ctor - should not be used
+    }
+    
+    /**
+     * Retrieve an adapter instance
+     * 
+     * @param array $options 
+     * @return void
+     */
+    public static function getAdapter($options = array()) 
+    {
+        $adapter = parent::_getAdapter(self::DOCUMENT_ADAPTER_KEY, $options);
+        if (!$adapter) {
+            require_once 'Zend/Cloud/DocumentService/Exception.php';
+            throw new Zend_Cloud_DocumentService_Exception(
+                'Class must be specified using the \''
+                . self::DOCUMENT_ADAPTER_KEY . '\' key'
+            );
+        } elseif (!$adapter instanceof self::$_adapterInterface) {
+            require_once 'Zend/Cloud/DocumentService/Exception.php';
+            throw new Zend_Cloud_DocumentService_Exception(
+                'Adapter must implement \'' . self::$_adapterInterface . '\''
+            );
+        }
+        return $adapter;
+    }
+}