graphite.loader.xhr

graphite.loader.xhr.js

/*global graphite*/
(function (graphite, loader, proxy) {
    "use strict";
    var xhr = function (options) {
        this.options = graphite.extend({
            "asynchronous": true,
            "method": "GET",
            "uri": window.location
        }, options);
        this.req = new XMLHttpRequest();
        if (this.options.success) {
            send.call(this, this.options.success);
        }
    };
    xhr.prototype = {
        abort: function () {
            this.req.abort();
        },
        send: send
    };
    function send(callback) {
        var obj = this;
        this.req.open(this.options.method, this.options.uri, this.options.asynchronous);
        this.req.onerror = function () {
            if (obj.options.proxy) {
                obj.options.success = callback;
                return graphite.create(proxy, obj.options);
            }
            callback("There was an error making the request\n");
        };
        this.req.onload = function () {
            callback(null, obj.req.responseText, obj.req.status, obj.req);
        };
        this.req.send();
    }
    loader.xhr = xhr;
    return xhr;
}(graphite, graphite.loader, graphite.loader.proxy));