1 | // Copyright 2010 The Closure Library Authors. All Rights Reserved. |
2 | // |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
4 | // you may not use this file except in compliance with the License. |
5 | // You may obtain a copy of the License at |
6 | // |
7 | // http://www.apache.org/licenses/LICENSE-2.0 |
8 | // |
9 | // Unless required by applicable law or agreed to in writing, software |
10 | // distributed under the License is distributed on an "AS-IS" BASIS, |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | // See the License for the specific language governing permissions and |
13 | // limitations under the License. |
14 | |
15 | /** |
16 | * @fileoverview Implementation of XmlHttpFactory which allows construction from |
17 | * simple factory methods. |
18 | * @author dbk@google.com (David Barrett-Kahn) |
19 | */ |
20 | |
21 | goog.provide('goog.net.WrapperXmlHttpFactory'); |
22 | |
23 | /** @suppress {extraRequire} Typedef. */ |
24 | goog.require('goog.net.XhrLike'); |
25 | goog.require('goog.net.XmlHttpFactory'); |
26 | |
27 | |
28 | |
29 | /** |
30 | * An xhr factory subclass which can be constructed using two factory methods. |
31 | * This exists partly to allow the preservation of goog.net.XmlHttp.setFactory() |
32 | * with an unchanged signature. |
33 | * @param {function():!goog.net.XhrLike.OrNative} xhrFactory |
34 | * A function which returns a new XHR object. |
35 | * @param {function():!Object} optionsFactory A function which returns the |
36 | * options associated with xhr objects from this factory. |
37 | * @extends {goog.net.XmlHttpFactory} |
38 | * @constructor |
39 | * @final |
40 | */ |
41 | goog.net.WrapperXmlHttpFactory = function(xhrFactory, optionsFactory) { |
42 | goog.net.XmlHttpFactory.call(this); |
43 | |
44 | /** |
45 | * XHR factory method. |
46 | * @type {function() : !goog.net.XhrLike.OrNative} |
47 | * @private |
48 | */ |
49 | this.xhrFactory_ = xhrFactory; |
50 | |
51 | /** |
52 | * Options factory method. |
53 | * @type {function() : !Object} |
54 | * @private |
55 | */ |
56 | this.optionsFactory_ = optionsFactory; |
57 | }; |
58 | goog.inherits(goog.net.WrapperXmlHttpFactory, goog.net.XmlHttpFactory); |
59 | |
60 | |
61 | /** @override */ |
62 | goog.net.WrapperXmlHttpFactory.prototype.createInstance = function() { |
63 | return this.xhrFactory_(); |
64 | }; |
65 | |
66 | |
67 | /** @override */ |
68 | goog.net.WrapperXmlHttpFactory.prototype.getOptions = function() { |
69 | return this.optionsFactory_(); |
70 | }; |
71 | |