library/Zend/Service/Simpy/WatchlistSet.php

   1 <?php
   2
   3 /**
   4  * Zend Framework
   5  *
   6  * LICENSE
   7  *
   8  * This source file is subject to the new BSD license that is bundled
   9  * with this package in the file LICENSE.txt.
  10  * It is also available through the world-wide-web at this URL:
  11  * http://framework.zend.com/license/new-bsd
  12  * If you did not receive a copy of the license and are unable to
  13  * obtain it through the world-wide-web, please send an email
  14  * to license@zend.com so we can send you a copy immediately.
  15  *
  16  * @category   Zend
  17  * @package    Zend_Service
  18  * @subpackage Simpy
  19  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  20  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  21  * @version    $Id: WatchlistSet.php 16211 2009-06-21 19:23:55Z thomas $
  22  */
  23
  24
  25 /**
  26  * @see Zend_Service_Simpy_Watchlist
  27  */
  28 require_once 'Zend/Service/Simpy/Watchlist.php';
  29
  30
  31 /**
  32  * @category   Zend
  33  * @package    Zend_Service
  34  * @subpackage Simpy
  35  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  36  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  37  */
  38 class Zend_Service_Simpy_WatchlistSet implements IteratorAggregate
  39 {
  40     /**
  41      * List of watchlists
  42      *
  43      * @var array of Zend_Service_Simpy_Watchlist objects
  44      */
  45     protected $_watchlists = array();
  46
  47     /**
  48      * Constructor to initialize the object with data
  49      *
  50      * @param  DOMDocument $doc Parsed response from a GetWatchlists operation
  51      * @return void
  52      */
  53     public function __construct(DOMDocument $doc)
  54     {
  55         $xpath = new DOMXPath($doc);
  56         $list = $xpath->query('//watchlists/watchlist');
  57
  58         for ($x = 0; $x < $list->length; $x++) {
  59             $this->_watchlists[$x] = new Zend_Service_Simpy_Watchlist($list->item($x));
  60         }
  61     }
  62
  63     /**
  64      * Returns an iterator for the watchlist set
  65      *
  66      * @return ArrayIterator
  67      */
  68     public function getIterator()
  69     {
  70         return new ArrayIterator($this->_watchlists);
  71     }
  72
  73     /**
  74      * Returns the number of watchlists in the set
  75      *
  76      * @return int
  77      */
  78     public function getLength()
  79     {
  80         return count($this->_watchlists);
  81     }
  82 }