diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Cloud/StorageService/Adapter/Nirvanix.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Cloud/StorageService/Adapter/Nirvanix.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,399 @@
+<?php
+/**
+ * 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 StorageService
+ * @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/StorageService/Adapter.php';
+require_once 'Zend/Cloud/StorageService/Exception.php';
+require_once 'Zend/Service/Nirvanix.php';
+
+/**
+ * Adapter for Nirvanix cloud storage
+ *
+ * @category   Zend
+ * @package    Zend_Cloud
+ * @subpackage StorageService
+ * @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_StorageService_Adapter_Nirvanix 
+    implements Zend_Cloud_StorageService_Adapter
+{
+    const USERNAME         = 'auth_username';
+    const PASSWORD         = 'auth_password';
+    const APP_KEY          = 'auth_accesskey';
+    const REMOTE_DIRECTORY = 'remote_directory';
+
+    /**
+     * The Nirvanix adapter
+     * @var Zend_Service_Nirvanix
+     */
+    protected $_nirvanix;
+    protected $_imfNs;
+    protected $_metadataNs;
+    protected $_remoteDirectory;
+    private $maxPageSize = 500;
+
+    /**
+     * Constructor
+     * 
+     * @param  array|Zend_Config $options 
+     * @return void
+     */
+    function __construct($options = array()) 
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        }
+
+        if (!is_array($options)) {
+            throw new Zend_Cloud_StorageService_Exception('Invalid options provided');
+        }
+
+        $auth = array(
+            'username' => $options[self::USERNAME],
+            'password' => $options[self::PASSWORD],
+            'appKey'   => $options[self::APP_KEY],
+        );
+        $nirvanix_options = array();
+        if (isset($options[self::HTTP_ADAPTER])) {
+            $httpc = new Zend_Http_Client();
+            $httpc->setAdapter($options[self::HTTP_ADAPTER]);
+            $nirvanix_options['httpClient'] = $httpc;
+        } 
+        try {
+            $this->_nirvanix = new Zend_Service_Nirvanix($auth, $nirvanix_options);
+            $this->_remoteDirectory = $options[self::REMOTE_DIRECTORY];
+            $this->_imfNs = $this->_nirvanix->getService('IMFS');
+            $this->_metadataNs = $this->_nirvanix->getService('Metadata');
+        } catch (Zend_Service_Nirvanix_Exception  $e) { 
+            throw new Zend_Cloud_StorageService_Exception('Error on create: '.$e->getMessage(), $e->getCode(), $e);
+        }
+    }
+
+     /**
+     * Get an item from the storage service.
+     *
+     * @param  string $path
+     * @param  array $options
+     * @return mixed
+     */
+    public function fetchItem($path, $options = null)
+    {
+        $path = $this->_getFullPath($path);
+        try {
+            $item = $this->_imfNs->getContents($path);
+        } catch (Zend_Service_Nirvanix_Exception $e) {
+            throw new Zend_Cloud_StorageService_Exception('Error on fetch: '.$e->getMessage(), $e->getCode(), $e);
+        }
+        return $item;
+    }
+
+    /**
+     * Store an item in the storage service.
+     * WARNING: This operation overwrites any item that is located at
+     * $destinationPath.
+     * @param string $destinationPath
+     * @param mixed $data
+     * @param  array $options
+     * @return void
+     */
+    public function storeItem($destinationPath, $data, $options = null)
+    {
+        try {
+            $path = $this->_getFullPath($destinationPath);
+            $this->_imfNs->putContents($path, $data);
+        } catch (Zend_Service_Nirvanix_Exception $e) {
+            throw new Zend_Cloud_StorageService_Exception('Error on store: '.$e->getMessage(), $e->getCode(), $e);
+        }
+        return true;
+    }
+
+    /**
+     * Delete an item in the storage service.
+     *
+     * @param  string $path
+     * @param  array $options
+     * @return void
+     */
+    public function deleteItem($path, $options = null)
+    {
+        try {
+            $path = $this->_getFullPath($path);
+            $this->_imfNs->unlink($path);
+        } catch(Zend_Service_Nirvanix_Exception $e) {
+//            if (trim(strtoupper($e->getMessage())) != 'INVALID PATH') {
+//                // TODO Differentiate among errors in the Nirvanix adapter
+            throw new Zend_Cloud_StorageService_Exception('Error on delete: '.$e->getMessage(), $e->getCode(), $e);
+        }
+    }
+
+    /**
+     * Copy an item in the storage service to a given path.
+     * WARNING: This operation is *very* expensive for services that do not
+     * support copying an item natively.
+     *
+     * @param  string $sourcePath
+     * @param  string $destination path
+     * @param  array $options
+     * @return void
+     */
+    public function copyItem($sourcePath, $destinationPath, $options = null)
+    {
+        try {
+            $sourcePath = $this->_getFullPath($sourcePath);
+            $destinationPath = $this->_getFullPath($destinationPath);
+            $this->_imfNs->CopyFiles(array('srcFilePath' => $sourcePath,
+                                            'destFolderPath' => $destinationPath));
+        } catch (Zend_Service_Nirvanix_Exception $e) {
+            throw new Zend_Cloud_StorageService_Exception('Error on copy: '.$e->getMessage(), $e->getCode(), $e);
+        }
+    }
+
+    /**
+     * Move an item in the storage service to a given path.
+     * WARNING: This operation is *very* expensive for services that do not
+     * support moving an item natively.
+     *
+     * @param  string $sourcePath
+     * @param  string $destination path
+     * @param  array $options
+     * @return void
+     */
+    public function moveItem($sourcePath, $destinationPath, $options = null)
+    {
+        try {
+            $sourcePath = $this->_getFullPath($sourcePath);
+            $destinationPath = $this->_getFullPath($destinationPath);
+            $this->_imfNs->RenameFile(array('filePath' => $sourcePath,
+                                             'newFileName' => $destinationPath));
+    //        $this->_imfNs->MoveFiles(array('srcFilePath' => $sourcePath,
+    //                                         'destFolderPath' => $destinationPath));
+        } catch (Zend_Service_Nirvanix_Exception $e) {
+            throw new Zend_Cloud_StorageService_Exception('Error on move: '.$e->getMessage(), $e->getCode(), $e);
+        }
+    }
+
+    /**
+     * Rename an item in the storage service to a given name.
+     *
+     *
+     * @param  string $path
+     * @param  string $name
+     * @param  array $options
+     * @return void
+     */
+    public function renameItem($path, $name, $options = null) 
+    {
+        require_once 'Zend/Cloud/OperationNotAvailableException.php';
+        throw new Zend_Cloud_OperationNotAvailableException('Renaming not implemented');
+    }
+
+    /**
+     * Get a key/value array of metadata for the given path.
+     *
+     * @param  string $path
+     * @param  array $options
+     * @return array An associative array of key/value pairs specifying the metadata for this object.
+     *                  If no metadata exists, an empty array is returned.
+     */
+    public function fetchMetadata($path, $options = null)
+    {
+        $path = $this->_getFullPath($path);
+        try {
+            $metadataNode = $this->_metadataNs->getMetadata(array('path' => $path));
+        } catch (Zend_Service_Nirvanix_Exception $e) {
+            throw new Zend_Cloud_StorageService_Exception('Error on fetching metadata: '.$e->getMessage(), $e->getCode(), $e);
+        }
+            
+        $metadata = array();
+        $length = count($metadataNode->Metadata);
+
+        // Need to special case this as Nirvanix returns an array if there is
+        // more than one, but doesn't return an array if there is only one.
+        if ($length == 1)
+        {
+            $metadata[(string)$metadataNode->Metadata->Type->value] = (string)$metadataNode->Metadata->Value;
+        }
+        else if ($length > 1)
+        {
+            for ($i=0; $i<$length; $i++)
+            {
+                $metadata[(string)$metadataNode->Metadata[$i]->Type] = (string)$metadataNode->Metadata[$i]->Value;
+            }
+        }
+        return $metadata;
+    }
+
+    /**
+     * Store a key/value array of metadata at the given path.
+     * WARNING: This operation overwrites any metadata that is located at
+     * $destinationPath.
+     *
+     * @param array $metadata - An associative array specifying the key/value pairs for the metadata.
+     * @param $destinationPath
+     * @param  array $options
+     * @return void
+     */
+    public function storeMetadata($destinationPath, $metadata, $options = null)
+    {
+        $destinationPath = $this->_getFullPath($destinationPath);
+        if ($metadata != null) {
+            try {
+                foreach ($metadata AS $key=>$value) {
+                    $metadataString = $key . ":" . $value;
+                    $this->_metadataNs->SetMetadata(array(
+                        'path'     => $destinationPath,
+                        'metadata' => $metadataString,
+                    ));
+                }
+            } catch (Zend_Service_Nirvanix_Exception $e) {
+                throw new Zend_Cloud_StorageService_Exception('Error on storing metadata: '.$e->getMessage(), $e->getCode(), $e);
+            }
+        }
+     }
+
+    /**
+     * Delete a key/value array of metadata at the given path.
+     *
+     * @param string $path
+     * @param array $metadata - An associative array specifying the key/value pairs for the metadata
+     *                          to be deleted.  If null, all metadata associated with the object will
+     *                          be deleted.
+     * @param  array $options
+     * @return void
+     */
+    public function deleteMetadata($path, $metadata = null, $options = null)
+    {
+        $path = $this->_getFullPath($path);
+        try {
+            if ($metadata == null) {
+                $this->_metadataNs->DeleteAllMetadata(array('path' => $path));
+            } else {
+                foreach ($metadata AS $key=>$value) {
+                    $this->_metadataNs->DeleteMetadata(array(
+                        'path'     => $path,
+                        'metadata' => $key,
+                    ));
+                    }
+            }
+        } catch (Zend_Service_Nirvanix_Exception $e) {
+            throw new Zend_Cloud_StorageService_Exception('Error on deleting metadata: '.$e->getMessage(), $e->getCode(), $e);
+        }            
+    }
+
+    /*
+     * Recursively traverse all the folders and build an array that contains
+     * the path names for each folder.
+     *
+     * @param $path - The folder path to get the list of folders from.
+     * @param &$resultArray - reference to the array that contains the path names
+     *                           for each folder.
+     */
+    private function getAllFolders($path, &$resultArray)
+    {
+        $response = $this->_imfNs->ListFolder(array(
+            'folderPath' => $path,
+               'pageNumber' => 1,
+            'pageSize'   => $this->maxPageSize,
+        ));
+           $numFolders = $response->ListFolder->TotalFolderCount;
+           if ($numFolders == 0) {
+               return;
+           } else {
+               //Need to special case this as Nirvanix returns an array if there is
+               //more than one, but doesn't return an array if there is only one.
+            if ($numFolders == 1) {
+                $folderPath = $response->ListFolder->Folder->Path;
+                array_push($resultArray, $folderPath);
+                $this->getAllFolders('/' . $folderPath, $resultArray);
+            } else {
+                foreach ($response->ListFolder->Folder as $arrayElem) {
+                    $folderPath = $arrayElem->Path;
+                    array_push($resultArray, $folderPath);
+                    $this->getAllFolders('/' . $folderPath, $resultArray);
+                }
+            }
+           }
+    }
+
+    /**
+     * Return an array of the items contained in the given path.  The items
+     * returned are the files or objects that in the specified path.
+     *
+     * @param  string $path
+     * @param  array  $options
+     * @return array
+     */
+    public function listItems($path, $options = null)
+    {
+        $path = $this->_getFullPath($path);
+        $resultArray = array();
+
+        if (!isset($path)) {
+            return false;
+        } else {
+            try {
+                $response = $this->_imfNs->ListFolder(array(
+                    'folderPath' => $path,
+                    'pageNumber' => 1,
+                    'pageSize'   => $this->maxPageSize,
+                ));
+            } catch (Zend_Service_Nirvanix_Exception $e) {
+                throw new Zend_Cloud_StorageService_Exception('Error on list: '.$e->getMessage(), $e->getCode(), $e);
+            }            
+                
+            $numFiles = $response->ListFolder->TotalFileCount;
+
+            //Add the file names to the array
+            if ($numFiles != 0) {
+                //Need to special case this as Nirvanix returns an array if there is
+                //more than one, but doesn't return an array if there is only one.
+                if ($numFiles == 1) {
+                    $resultArray[] = (string)$response->ListFolder->File->Name;
+                }
+                else {
+                    foreach ($response->ListFolder->File as $arrayElem) {
+                        $resultArray[] = (string) $arrayElem->Name;
+                    }
+                }
+            }
+        }
+
+        return $resultArray;
+    }
+
+    /**
+     * Get full path to an object
+     * 
+     * @param  string $path 
+     * @return string
+     */
+    private function _getFullPath($path) 
+    {
+        return $this->_remoteDirectory . $path;
+    }
+
+    /**
+     * Get the concrete client.
+     * @return Zend_Service_Nirvanix
+     */
+    public function getClient()
+    {
+         return $this->_nirvanix;       
+    }
+}