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// Copyright 2013 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 Default factory for <code>WebChannelTransport</code> to
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 * avoid exposing concrete classes to clients.
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 *
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 */
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goog.provide('goog.net.createWebChannelTransport');
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goog.require('goog.functions');
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goog.require('goog.labs.net.webChannel.WebChannelBaseTransport');
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/**
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 * Create a new WebChannelTransport instance using the default implementation.
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 * Throws an error message if no default transport available in the current
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 * environment.
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 *
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 * @return {!goog.net.WebChannelTransport} the newly created transport instance.
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 */
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goog.net.createWebChannelTransport =
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    /** @type {function(): !goog.net.WebChannelTransport} */ (
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        goog.partial(
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            goog.functions.create,
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            goog.labs.net.webChannel.WebChannelBaseTransport));
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