--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/InfoCard/Xml/Element.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,107 @@
+<?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_InfoCard
+ * @subpackage Zend_InfoCard_Xml
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Element.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Zend_InfoCard_Xml_Element_Interface
+ */
+require_once 'Zend/InfoCard/Xml/Element/Interface.php';
+
+/**
+ * An abstract class representing a an XML data block
+ *
+ * @category   Zend
+ * @package    Zend_InfoCard
+ * @subpackage Zend_InfoCard_Xml
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_InfoCard_Xml_Element
+    extends SimpleXMLElement
+    implements Zend_InfoCard_Xml_Element_Interface
+{
+    /**
+     * Convert the object to a string by displaying its XML content
+     *
+     * @return string an XML representation of the object
+     */
+    public function __toString()
+    {
+        return $this->asXML();
+    }
+
+    /**
+     * Converts an XML Element object into a DOM object
+     *
+     * @throws Zend_InfoCard_Xml_Exception
+     * @param Zend_InfoCard_Xml_Element $e The object to convert
+     * @return DOMElement A DOMElement representation of the same object
+     */
+    static public function convertToDOM(Zend_InfoCard_Xml_Element $e)
+    {
+        $dom = dom_import_simplexml($e);
+
+        if(!($dom instanceof DOMElement)) {
+            // Zend_InfoCard_Xml_Element exntes SimpleXMLElement, so this should *never* fail
+            // @codeCoverageIgnoreStart
+            require_once 'Zend/InfoCard/Xml/Exception.php';
+            throw new Zend_InfoCard_Xml_Exception("Failed to convert between SimpleXML and DOM");
+            // @codeCoverageIgnoreEnd
+        }
+
+        return $dom;
+    }
+
+    /**
+     * Converts a DOMElement object into the specific class
+     *
+     * @throws Zend_InfoCard_Xml_Exception
+     * @param DOMElement $e The DOMElement object to convert
+     * @param string $classname The name of the class to convert it to (must inhert from Zend_InfoCard_Xml_Element)
+     * @return Zend_InfoCard_Xml_Element a Xml Element object from the DOM element
+     */
+    static public function convertToObject(DOMElement $e, $classname)
+    {
+        if (!class_exists($classname)) {
+            require_once 'Zend/Loader.php';
+            Zend_Loader::loadClass($classname);
+        }
+
+        $reflection = new ReflectionClass($classname);
+
+        if(!$reflection->isSubclassOf('Zend_InfoCard_Xml_Element')) {
+            require_once 'Zend/InfoCard/Xml/Exception.php';
+            throw new Zend_InfoCard_Xml_Exception("DOM element must be converted to an instance of Zend_InfoCard_Xml_Element");
+        }
+
+        $sxe = simplexml_import_dom($e, $classname);
+
+        if(!($sxe instanceof Zend_InfoCard_Xml_Element)) {
+            // Since we just checked to see if this was a subclass of Zend_infoCard_Xml_Element this shoudl never fail
+            // @codeCoverageIgnoreStart
+            require_once 'Zend/InfoCard/Xml/Exception.php';
+            throw new Zend_InfoCard_Xml_Exception("Failed to convert between DOM and SimpleXML");
+            // @codeCoverageIgnoreEnd
+        }
+
+        return $sxe;
+    }
+}