/* jFeed : jQuery feed parser plugin
 * Copyright (C) 2007 Jean-François Hovinne - http://www.hovinne.com/
 * Dual licensed under the MIT (MIT-license.txt)
 * and GPL (GPL-license.txt) licenses.
 */

jQuery.getFeed = function(options) {

    options = jQuery.extend({
    
        url: null,
        data: null,
        success: null
        
    }, options);

    if(options.url) {

		$.ajax({
			type: 'GET',
			url: options.url,
			data: options.data,
			dataType: ($.browser.msie) ? "text" : "xml",
			success: function(data) {
				var xml;
				if (typeof data == "string") {
					xml = new ActiveXObject("Microsoft.XMLDOM");
					xml.async = false;
					xml.loadXML(data);
				} else {
					xml = data;
				}
				var feed = new JFeed(xml);
				if(jQuery.isFunction(options.success)) options.success(feed);
			}
		});
    }
};

function JFeed(xml) {
    if(xml) this.parse(xml);
};

JFeed.prototype = {

    type: '',
    version: '',
    title: '',
    link: '',
    description: '',
    parse: function(xml) {
        
        if(jQuery('channel', xml).length == 1) {
        
            this.type = 'rss';
            var feedClass = new JRss(xml);

        } else if(jQuery('feed', xml).length == 1) {
        
            this.type = 'atom';
            var feedClass = new JAtom(xml);
        }
        
        if(feedClass) jQuery.extend(this, feedClass);
    }
};