Source for file ExifAssetIterator.class.php

<?php
/**
* @since 7/20/05
 * @package polyphony.repository_importer
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: ExifAssetIterator.class.php,v 1.8 2007/09/19 14:04:48 adamfranco Exp $
 */ 
 
/**
* <##>
 * 
 * @since 7/20/05
 * @package polyphony.repository_importer
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: ExifAssetIterator.class.php,v 1.8 2007/09/19 14:04:48 adamfranco Exp $
 */
 
class ExifAssetIterator
    extends HarmoniIterator
{
 
    /**
     * Constructor
     * 
     * @return object 
     * @access public
     * @since 7/20/05
     */
    function ExifAssetIterator ($srcDir) {        
        $this->_addFiles($srcDir);
        $this->_current = 0;
    }
    
    
    /**
     * checks for existence of next element
     * 
     * @return boolean 
     * @access public
     * @since 7/20/05
     */
    function hasNext () {
        if ($this->_current < count($this->_assetList))
            return true;
        else
            return false;
    }
    
    /**
     * returns the next element
     * 
     * @return object DOMIT_Node 
     * @access public
     * @since 7/20/05
     */
    function next() {
        $temp =$this->_assetList[$this->_current];
        $this->_current++;
        return $temp;
    }
    
    /**
     * Add files to our list.
     * 
     * @param string $dirName 
     * @return void 
     * @access public
     * @since 7/20/06
     */
    function _addFiles ($dirName) {
        $dirName = preg_replace('/\/$/', '', $dirName).'/';
        $toIgnore = array(
            "schema.xml",
            "__MACOSX",
            ".DS_Store"
        );
        $dir = opendir($dirName);
        while($file = readdir($dir)) {
            if (ereg('^[^\.]', $file) && !in_array($file, $toIgnore)) {
                $path = $dirName.$file;
                if (!is_dir($path))
                    $this->_assetList[] = $path;
                else
                    $this->_addFiles($path);
            }
        }
        closedir($dir);
    }
}
 
?>