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1 /* | |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * 1. Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * 2. Redistributions in binary form must reproduce the above copyright | |
10 * notice, this list of conditions and the following disclaimer in the | |
11 * documentation and/or other materials provided with the distribution. | |
12 * | |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | |
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | |
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
23 * THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 var net = net || {}; | |
27 | |
28 (function () { | |
29 | |
30 // FIXME: Excise this last bit of jquery ajax code. | |
31 // There are callers that depend on automatically parsing the content as JSON or
XML | |
32 // based off the content-type. Instead we should add net.json and net.xml for th
ose cases. | |
33 net.get = function(url, success) | |
34 { | |
35 $.get(url, success); | |
36 }; | |
37 | |
38 net.ajax = function(options) | |
39 { | |
40 var xhr = new XMLHttpRequest(); | |
41 var method = options.type || 'GET'; | |
42 var async = true; | |
43 xhr.open(method, options.url, async); | |
44 xhr.onload = function() { | |
45 if (xhr.status == 200 && options.success) | |
46 options.success(xhr.responseText); | |
47 else if (xhr.status != 200 && options.error) | |
48 options.error(); | |
49 }; | |
50 xhr.onerror = function() { | |
51 if (options.error) | |
52 options.error(); | |
53 }; | |
54 var data = options.data || null; | |
55 if (data) | |
56 xhr.setRequestHeader("content-type","application/x-www-form-urlencoded")
; | |
57 xhr.send(data); | |
58 }; | |
59 | |
60 net.post = function(url, data, success) | |
61 { | |
62 net.ajax({ | |
63 url: url, | |
64 type: 'POST', | |
65 data: data, | |
66 success: success, | |
67 }); | |
68 | |
69 }; | |
70 | |
71 net.probe = function(url, options) | |
72 { | |
73 net.ajax({ | |
74 url: url, | |
75 type: 'HEAD', | |
76 success: options.success, | |
77 error: options.error, | |
78 }); | |
79 }; | |
80 | |
81 // We use XMLHttpRequest and CORS to fetch JSONP rather than using script tags. | |
82 // That's better for security and performance, but we need the server to coopera
te | |
83 // by setting CORS headers. | |
84 net.jsonp = function(url, callback) | |
85 { | |
86 net.ajax({ | |
87 url: url, | |
88 success: function(jsonp) { | |
89 callback(base.parseJSONP(jsonp)); | |
90 }, | |
91 error: function() { | |
92 callback({}); | |
93 }, | |
94 }); | |
95 }; | |
96 | |
97 })(); | |
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