diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Json/Server/Cache.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Json/Server/Cache.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,102 @@
+<?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_Json
+ * @subpackage Server
+ * @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: Cache.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/** Zend_Server_Cache */
+require_once 'Zend/Server/Cache.php';
+
+/**
+ * Zend_Json_Server_Cache: cache Zend_Json_Server server definition and SMD
+ *
+ * @category   Zend
+ * @package    Zend_Json
+ * @subpackage Server
+ * @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_Json_Server_Cache extends Zend_Server_Cache
+{
+    /**
+     * Cache a service map description (SMD) to a file
+     *
+     * Returns true on success, false on failure
+     *
+     * @param  string $filename
+     * @param  Zend_Json_Server $server
+     * @return boolean
+     */
+    public static function saveSmd($filename, Zend_Json_Server $server)
+    {
+        if (!is_string($filename)
+            || (!file_exists($filename) && !is_writable(dirname($filename))))
+        {
+            return false;
+        }
+
+        if (0 === @file_put_contents($filename, $server->getServiceMap()->toJson())) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Retrieve a cached SMD
+     *
+     * On success, returns the cached SMD (a JSON string); an failure, returns
+     * boolean false.
+     *
+     * @param  string $filename
+     * @return string|false
+     */
+    public static function getSmd($filename)
+    {
+        if (!is_string($filename)
+            || !file_exists($filename)
+            || !is_readable($filename))
+        {
+            return false;
+        }
+
+
+        if (false === ($smd = @file_get_contents($filename))) {
+            return false;
+        }
+
+        return $smd;
+    }
+
+    /**
+     * Delete a file containing a cached SMD
+     *
+     * @param  string $filename
+     * @return bool
+     */
+    public static function deleteSmd($filename)
+    {
+        if (is_string($filename) && file_exists($filename)) {
+            unlink($filename);
+            return true;
+        }
+
+        return false;
+    }
+}