All files / dash.js/src/streaming/net URLLoader.js

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/**
 * The copyright in this software is being made available under the BSD License,
 * included below. This software may be subject to other third party and contributor
 * rights, including patent rights, and no such rights are granted under this license.
 *
 * Copyright (c) 2013, Dash Industry Forum.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *  * Redistributions of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation and/or
 *  other materials provided with the distribution.
 *  * Neither the name of Dash Industry Forum nor the names of its
 *  contributors may be used to endorse or promote products derived from this software
 *  without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
 *  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 *  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 *  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */
import FactoryMaker from '../../core/FactoryMaker.js';
import SchemeLoaderFactory from '../../streaming/net/SchemeLoaderFactory.js';
 
/**
 * @class URLLoader
 * @description  Call Offline Loader or Online Loader depending on URL
 * @param {Object} cfg - dependencies
 * @ignore
 */
function URLLoader(cfg) {
 
    cfg = cfg || {};
    const context = this.context;
 
    let instance,
        schemeLoaderFactory,
        loader;
 
    schemeLoaderFactory = SchemeLoaderFactory(context).getInstance();
 
    function load(config) {
        if (!loader) {
            let loaderFactory = schemeLoaderFactory.getLoader(config && config.request ? config.request.url : null);
            loader = loaderFactory(context).create({
                errHandler: cfg.errHandler,
                mediaPlayerModel: cfg.mediaPlayerModel,
                dashMetrics: cfg.dashMetrics,
                boxParser: cfg.boxParser ? cfg.boxParser : null,
                constants: cfg.constants ? cfg.constants : null,
                dashConstants: cfg.dashConstants ? cfg.dashConstants : null,
                urlUtils: cfg.urlUtils ? cfg.urlUtils : null,
                requestTimeout: !isNaN(cfg.requestTimeout) ? cfg.requestTimeout : 0,
                errors: cfg.errors
            });
        }
        loader.load(config);
    }
 
    function abort() {
        if (loader) {
            loader.abort();
        }
    }
 
    function resetInitialSettings() {
        Iif (loader && typeof loader.resetInitialSettings === 'function') {
            loader.resetInitialSettings();
        }
    }
 
    function reset() {
        if (schemeLoaderFactory) {
            schemeLoaderFactory.reset();
            schemeLoaderFactory = null;
        }
        if (loader && typeof loader.reset === 'function') {
            loader.reset();
        }
        loader = null;
    }
 
    instance = {
        abort,
        load,
        reset,
        resetInitialSettings
    };
 
    return instance;
 
}
 
URLLoader.__dashjs_factory_name = 'URLLoader';
 
const factory = FactoryMaker.getClassFactory(URLLoader);
export default factory;