web/lib/Zend/Service/Rackspace/Servers/ImageList.php
changeset 808 6b6c2214f778
child 1230 68c69c656a2c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Service/Rackspace/Servers/ImageList.php	Thu Mar 21 19:52:38 2013 +0100
@@ -0,0 +1,234 @@
+<?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_Service_Rackspace
+ * @subpackage Servers
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+require_once 'Zend/Service/Rackspace/Servers.php';
+require_once 'Zend/Service/Rackspace/Servers/Image.php';
+
+/**
+ * List of images of Rackspace
+ *
+ * @uses       ArrayAccess
+ * @uses       Countable
+ * @uses       Iterator
+ * @uses       Zend_Service_Rackspace_Servers
+ * @category   Zend
+ * @package    Zend_Service_Rackspace
+ * @subpackage Servers
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Service_Rackspace_Servers_ImageList implements Countable, Iterator, ArrayAccess
+{
+    /**
+     * @var array of Zend_Service_Rackspace_Servers_Image
+     */
+    protected $images = array();
+    /**
+     * @var int Iterator key
+     */
+    protected $iteratorKey = 0;
+    /**
+     * @var Zend_Service_Rackspace_Servers
+     */
+    protected $service;
+    /**
+     * Construct
+     *
+     * @param  RackspaceServers $service
+     * @param  array $list
+     * @return void
+     */
+    public function __construct($service,$list = array())
+    {
+        if (!($service instanceof Zend_Service_Rackspace_Servers) || !is_array($list)) {
+            require_once 'Zend/Service/Rackspace/Servers/Exception.php';
+            throw new Zend_Service_Rackspace_Servers_Exception("You must pass a Zend_Service_Rackspace_Servers object and an array");
+        }
+        $this->service= $service;
+        $this->constructFromArray($list);
+    }
+    /**
+     * Transforms the array to array of Server
+     *
+     * @param  array $list
+     * @return void
+     */
+    private function constructFromArray(array $list)
+    {
+        foreach ($list as $image) {
+            $this->addImage(new Zend_Service_Rackspace_Servers_Image($this->service,$image));
+        }
+    }
+    /**
+     * Add an image
+     *
+     * @param  Zend_Service_Rackspace_Servers_Image $image
+     * @return Zend_Service_Rackspace_Servers_ImageList
+     */
+    protected function addImage (Zend_Service_Rackspace_Servers_Image $image)
+    {
+        $this->images[] = $image;
+        return $this;
+    }
+    /**
+     * To Array
+     * 
+     * @return array 
+     */
+    public function toArray()
+    {
+        $array= array();
+        foreach ($this->images as $image) {
+            $array[]= $image->toArray();
+        }
+        return $array;
+    }
+    /**
+     * Return number of images
+     *
+     * Implement Countable::count()
+     *
+     * @return int
+     */
+    public function count()
+    {
+        return count($this->images);
+    }
+    /**
+     * Return the current element
+     *
+     * Implement Iterator::current()
+     *
+     * @return Zend_Service_Rackspace_Servers_Image
+     */
+    public function current()
+    {
+        return $this->images[$this->iteratorKey];
+    }
+    /**
+     * Return the key of the current element
+     *
+     * Implement Iterator::key()
+     *
+     * @return int
+     */
+    public function key()
+    {
+        return $this->iteratorKey;
+    }
+    /**
+     * Move forward to next element
+     *
+     * Implement Iterator::next()
+     *
+     * @return void
+     */
+    public function next()
+    {
+        $this->iteratorKey += 1;
+    }
+    /**
+     * Rewind the Iterator to the first element
+     *
+     * Implement Iterator::rewind()
+     *
+     * @return void
+     */
+    public function rewind()
+    {
+        $this->iteratorKey = 0;
+    }
+    /**
+     * Check if there is a current element after calls to rewind() or next()
+     *
+     * Implement Iterator::valid()
+     *
+     * @return bool
+     */
+    public function valid()
+    {
+        $numItems = $this->count();
+        if ($numItems > 0 && $this->iteratorKey < $numItems) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+    /**
+     * Whether the offset exists
+     *
+     * Implement ArrayAccess::offsetExists()
+     *
+     * @param   int     $offset
+     * @return  bool
+     */
+    public function offsetExists($offset)
+    {
+        return ($offset < $this->count());
+    }
+    /**
+     * Return value at given offset
+     *
+     * Implement ArrayAccess::offsetGet()
+     *
+     * @param   int     $offset
+     * @throws  Zend_Service_Rackspace_Servers_Exception
+     * @return  Zend_Service_Rackspace_Servers_Image
+     */
+    public function offsetGet($offset)
+    {
+        if ($this->offsetExists($offset)) {
+            return $this->images[$offset];
+        } else {
+            require_once 'Zend/Service/Rackspace/Servers/Exception.php';
+            throw new Zend_Service_Rackspace_Servers_Exception('Illegal index');
+        }
+    }
+
+    /**
+     * Throws exception because all values are read-only
+     *
+     * Implement ArrayAccess::offsetSet()
+     *
+     * @param   int     $offset
+     * @param   string  $value
+     * @throws  Zend_Service_Rackspace_Servers_Exception
+     */
+    public function offsetSet($offset, $value)
+    {
+        require_once 'Zend/Service/Rackspace/Servers/Exception.php';
+        throw new Zend_Service_Rackspace_Servers_Exception('You are trying to set read-only property');
+    }
+
+    /**
+     * Throws exception because all values are read-only
+     *
+     * Implement ArrayAccess::offsetUnset()
+     *
+     * @param   int     $offset
+     * @throws  Zend_Service_Rackspace_Servers_Exception
+     */
+    public function offsetUnset($offset)
+    {
+        require_once 'Zend/Service/Rackspace/Servers/Exception.php';
+        throw new Zend_Service_Rackspace_Servers_Exception('You are trying to unset read-only property');
+    }
+}