1
 2/*!
 3 * Connect - bodyParser
 4 * Copyright(c) 2010 Sencha Inc.
 5 * Copyright(c) 2011 TJ Holowaychuk
 6 * MIT Licensed
 7 */
 8
 9/**
10 * Module dependencies.
11 */
12
13var multipart = require('./multipart')
14  , urlencoded = require('./urlencoded')
15  , json = require('./json');
16
17/**
18 * Body parser:
19 * 
20 *   Parse request bodies, supports _application/json_,
21 *   _application/x-www-form-urlencoded_, and _multipart/form-data_.
22 *
23 *   This is equivalent to: 
24 *
25 *     app.use(connect.json());
26 *     app.use(connect.urlencoded());
27 *     app.use(connect.multipart());
28 *
29 * Examples:
30 *
31 *      connect()
32 *        .use(connect.bodyParser())
33 *        .use(function(req, res) {
34 *          res.end('viewing user ' + req.body.user.name);
35 *        });
36 *
37 *      $ curl -d 'user[name]=tj' http://local/
38 *      $ curl -d '{"user":{"name":"tj"}}' -H "Content-Type: application/json" http://local/
39 *
40 *  View [json](json.html), [urlencoded](urlencoded.html), and [multipart](multipart.html) for more info.
41 *
42 * @param {Object} options
43 * @return {Function}
44 * @api public
45 */
46
47exports = module.exports = function bodyParser(options){
48  var _urlencoded = urlencoded(options)
49    , _multipart = multipart(options)
50    , _json = json(options);
51
52  return function bodyParser(req, res, next) {
53    _json(req, res, function(err){
54      if (err) return next(err);
55      _urlencoded(req, res, function(err){
56        if (err) return next(err);
57        _multipart(req, res, next);
58      });
59    });
60  }
61};