--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/enmi/Zend/Controller/Action/Helper/Json.php	Thu Jan 20 19:30:54 2011 +0100
@@ -0,0 +1,130 @@
+<?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_Controller
+ * @subpackage Zend_Controller_Action_Helper
+ * @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: Json.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @see Zend_Controller_Action_Helper_Abstract
+ */
+require_once 'Zend/Controller/Action/Helper/Abstract.php';
+
+/**
+ * Simplify AJAX context switching based on requested format
+ *
+ * @uses       Zend_Controller_Action_Helper_Abstract
+ * @category   Zend
+ * @package    Zend_Controller
+ * @subpackage Zend_Controller_Action_Helper
+ * @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_Controller_Action_Helper_Json extends Zend_Controller_Action_Helper_Abstract
+{
+    /**
+     * Suppress exit when sendJson() called
+     * @var boolean
+     */
+    public $suppressExit = false;
+
+    /**
+     * Create JSON response
+     *
+     * Encodes and returns data to JSON. Content-Type header set to
+     * 'application/json', and disables layouts and viewRenderer (if being
+     * used).
+     *
+     * @param  mixed   $data
+     * @param  boolean $keepLayouts
+     * @param  boolean|array $keepLayouts
+     * NOTE:   if boolean, establish $keepLayouts to true|false
+     *         if array, admit params for Zend_Json::encode as enableJsonExprFinder=>true|false
+     *         if $keepLayouts and parmas for Zend_Json::encode are required
+     *         then, the array can contains a 'keepLayout'=>true|false
+     *         that will not be passed to Zend_Json::encode method but will be passed
+     *         to Zend_View_Helper_Json
+     * @throws Zend_Controller_Action_Helper_Json
+     * @return string
+     */
+    public function encodeJson($data, $keepLayouts = false)
+    {
+        /**
+         * @see Zend_View_Helper_Json
+         */
+        require_once 'Zend/View/Helper/Json.php';
+        $jsonHelper = new Zend_View_Helper_Json();
+        $data = $jsonHelper->json($data, $keepLayouts);
+
+        if (!$keepLayouts) {
+            /**
+             * @see Zend_Controller_Action_HelperBroker
+             */
+            require_once 'Zend/Controller/Action/HelperBroker.php';
+            Zend_Controller_Action_HelperBroker::getStaticHelper('viewRenderer')->setNoRender(true);
+        }
+
+        return $data;
+    }
+
+    /**
+     * Encode JSON response and immediately send
+     *
+     * @param  mixed   $data
+     * @param  boolean|array $keepLayouts
+     * NOTE:   if boolean, establish $keepLayouts to true|false
+     *         if array, admit params for Zend_Json::encode as enableJsonExprFinder=>true|false
+     *         if $keepLayouts and parmas for Zend_Json::encode are required
+     *         then, the array can contains a 'keepLayout'=>true|false
+     *         that will not be passed to Zend_Json::encode method but will be passed
+     *         to Zend_View_Helper_Json
+     * @return string|void
+     */
+    public function sendJson($data, $keepLayouts = false)
+    {
+        $data = $this->encodeJson($data, $keepLayouts);
+        $response = $this->getResponse();
+        $response->setBody($data);
+
+        if (!$this->suppressExit) {
+            $response->sendResponse();
+            exit;
+        }
+
+        return $data;
+    }
+
+    /**
+     * Strategy pattern: call helper as helper broker method
+     *
+     * Allows encoding JSON. If $sendNow is true, immediately sends JSON
+     * response.
+     *
+     * @param  mixed   $data
+     * @param  boolean $sendNow
+     * @param  boolean $keepLayouts
+     * @return string|void
+     */
+    public function direct($data, $sendNow = true, $keepLayouts = false)
+    {
+        if ($sendNow) {
+            return $this->sendJson($data, $keepLayouts);
+        }
+        return $this->encodeJson($data, $keepLayouts);
+    }
+}