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 | goog.require('goog.net.XmlHttpFactory'); |
24 | |
25 | |
26 | |
27 | /** |
28 | * An xhr factory subclass which can be constructed using two factory methods. |
29 | * This exists partly to allow the preservation of goog.net.XmlHttp.setFactory() |
30 | * with an unchanged signature. |
31 | * @param {function() : !(XMLHttpRequest|GearsHttpRequest)} xhrFactory A |
32 | * function which returns a new XHR object. |
33 | * @param {function() : !Object} optionsFactory A function which returns the |
34 | * options associated with xhr objects from this factory. |
35 | * @extends {goog.net.XmlHttpFactory} |
36 | * @constructor |
37 | */ |
38 | goog.net.WrapperXmlHttpFactory = function(xhrFactory, optionsFactory) { |
39 | goog.net.XmlHttpFactory.call(this); |
40 | |
41 | /** |
42 | * XHR factory method. |
43 | * @type {function() : !(XMLHttpRequest|GearsHttpRequest)} |
44 | * @private |
45 | */ |
46 | this.xhrFactory_ = xhrFactory; |
47 | |
48 | /** |
49 | * Options factory method. |
50 | * @type {function() : !Object} |
51 | * @private |
52 | */ |
53 | this.optionsFactory_ = optionsFactory; |
54 | }; |
55 | goog.inherits(goog.net.WrapperXmlHttpFactory, goog.net.XmlHttpFactory); |
56 | |
57 | |
58 | /** @override */ |
59 | goog.net.WrapperXmlHttpFactory.prototype.createInstance = function() { |
60 | return this.xhrFactory_(); |
61 | }; |
62 | |
63 | |
64 | /** @override */ |
65 | goog.net.WrapperXmlHttpFactory.prototype.getOptions = function() { |
66 | return this.optionsFactory_(); |
67 | }; |
68 | |