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// Copyright 2010 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//      http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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 * @fileoverview Implementation of XmlHttpFactory which allows construction from
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 * simple factory methods.
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 * @author [email protected] (David Barrett-Kahn)
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 */
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goog.provide('goog.net.WrapperXmlHttpFactory');
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/** @suppress {extraRequire} Typedef. */
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goog.require('goog.net.XhrLike');
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goog.require('goog.net.XmlHttpFactory');
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/**
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 * An xhr factory subclass which can be constructed using two factory methods.
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 * This exists partly to allow the preservation of goog.net.XmlHttp.setFactory()
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 * with an unchanged signature.
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 * @param {function():!goog.net.XhrLike.OrNative} xhrFactory
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 *     A function which returns a new XHR object.
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 * @param {function():!Object} optionsFactory A function which returns the
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 *     options associated with xhr objects from this factory.
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 * @extends {goog.net.XmlHttpFactory}
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 * @constructor
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 * @final
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 */
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goog.net.WrapperXmlHttpFactory = function(xhrFactory, optionsFactory) {
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  goog.net.XmlHttpFactory.call(this);
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  /**
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   * XHR factory method.
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   * @type {function() : !goog.net.XhrLike.OrNative}
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   * @private
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   */
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  this.xhrFactory_ = xhrFactory;
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  /**
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   * Options factory method.
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   * @type {function() : !Object}
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   * @private
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   */
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  this.optionsFactory_ = optionsFactory;
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};
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goog.inherits(goog.net.WrapperXmlHttpFactory, goog.net.XmlHttpFactory);
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/** @override */
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goog.net.WrapperXmlHttpFactory.prototype.createInstance = function() {
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  return this.xhrFactory_();
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};
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/** @override */
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goog.net.WrapperXmlHttpFactory.prototype.getOptions = function() {
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  return this.optionsFactory_();
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};
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