Source for file XMLRecordExporter.class.php

<?php
/**
 * @since 10/17/05
 * @package polyphony.exporter
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: XMLRecordExporter.class.php,v 1.9 2007/09/19 14:04:45 adamfranco Exp $
 */ 
 
require_once(POLYPHONY."/main/library/Exporter/XMLPartExporter.class.php");
 
/**
 * Exports into XML for use with the XML Importer
 * 
 * @since 10/17/05
 * @package polyphony.exporter
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: XMLRecordExporter.class.php,v 1.9 2007/09/19 14:04:45 adamfranco Exp $
 */
class XMLRecordExporter {
        
    /**
     * Constructor
     *
     * Maintains the xmlfile
     * 
     * @param resource 
     * @access public
     * @since 10/17/05
     */
    function XMLRecordExporter ($xmlFile) {
        $this->_xml =$xmlFile;
        
        $this->_childExporterList = array("XMLPartExporter");
        $this->_childElementList = array("parts");
    }
 
    /**
     * Exporter of All things
     * 
     * @param object HarmoniRecord 
     * @access public
     * @since 10/17/05
     */
    function export ($record) {
        $this->_object =$record;
        $this->_myId =$this->_object->getId();
 
        $rS =$this->_object->getRecordStructure();
        $rSId =$rS->getId();
        
        fwrite($this->_xml,
"\t\t<record ".
"id=\"".$this->_myId->getIdString()."\" ".
"xml:id=\"".$rSId->getIdString()."\">\n");
        
        foreach ($this->_childElementList as $child) {
            $exportFn = "export".ucfirst($child);
            if (method_exists($this, $exportFn))
                $this->$exportFn();
        }
        
        fwrite($this->_xml,
"\t\t</record>\n");
    }
 
    /**
     * Exporter of parts
     * 
     * Adds part elements to the xml, which contain the necessary
     * information to create the same part.
     * 
     * @access public
     * @since 10/17/05
     */
    function exportParts () {
        $children =$this->_object->getParts();
        
        while ($children->hasNext()) {
            $child =$children->next();
            $exporter = new XMLPartExporter($this->_xml);
            $exporter->export($child); // ????
            unset($exporter);
        }
    }    
}
?>