client.js

client.js

/** client.js **/
var https  = require('https');
var url = require('url');

function Client() {}

/**
 * All initialization code should be here.
 */
Client.prototype.initialize = function() {};

/**
 * Creates a base request to a remote server.
 * @param {Object} params
 */
Client.prototype.request = function(params) {
  var type = params.type; // GET, POST, DELETE, UPDATE
  var url = params.url;
  var success = params.success;

  var req = https.request(url, function(result) {
    var data = '';
    result.on('data', function(chunk) {
      data += chunk;
    });

    result.on('end', function() {
      if (typeof success === 'function') success(data);
    });

  });

  req.on('error', function(err) {
    throw err;
  });

  req.end();
};

/**
 * Creates a GET request
 * @param {String} url
 * @param {Function} callback
 */
Client.prototype.get = function(url, callback) {
  this.request({
    type: 'GET',
    url: url,
    success: function(result) {
      if (typeof callback === 'function') callback(result);
    }
  });
};

/**
 * A factory method for instantiating the client class.
 */
Client.create = function() {
  return new Client();
};

module.exports = Client.create();

test.js

/** Example Usage **/
var client = require('./client');
var url = 'https://api.fastspring.com/company/greenheartgames/order/GRE130427-9394-85103/item/Game%20Dev%20Tycoon?user=ghgapiacc&pass=NPFkPGUk3NPFkPGUk';

client.get(url, function(result) {
  console.log('result', result); // xml or json result
});