sample titanium xhr constructor object

Client.js

function Httpclient(url, method, entity, data) {
  var url = url
	, method = method || 'GET'
	, entity = entity || 'entity'
	, data = data || null;

	this.contentType = "application/json; charset=utf-8";
	this.onload = function(e) {
		Ti.API.log('Httpclient log for ' + entity + '. Response: ' + this.responseText + 'Status: ' + this.status);
	}
	this.onerror = function(e) {
		Ti.API.log('Httpclient error log for ' + entity + '. Response: ' + e.error + 'object: ' + JSON.stringify(e));
		alert('There was a problem performing your request.');
	}
	this.execute = function() {
		var client = Ti.Network.createHTTPClient({
			timeout: 8000,
			onload: this.onload,
			onerror: this.onerror
		});
		client.open(method, url);
		client.setRequestHeader('Content-Type', this.contentType);
		client.send(data);
	}
}

module.exports = Httpclient;

config.js

var SITE_PATH = 'http://mypath.com/'
var REST_PATH = SITE_PATH + 'services/rest/';

randomFile.js

...
// use the client like this anywhere in your app
Ti.include('config.js');
var Client = require('Client');
var url = REST_PATH + 'resource/path/of/service';
var entity = 'user';
var data = JSON.stringify(myData);
var Httpclient = new Client(url, 'POST', entity, data);
// Optionally override default onload event listener
Httpclient.onload(e) {
  alert('it worked');
}
Httpclient.execute();
...