wehub-resource-sync
45 lines
2.1 KiB
C#
45 lines
2.1 KiB
C#
/*
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* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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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 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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using System.Collections.Generic;
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namespace QuantConnect.Interfaces
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{
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/// <summary>
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/// Wrapper on the API for downloading data for an algorithm.
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/// </summary>
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public interface IDownloadProvider
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{
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/// <summary>
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/// Method for downloading data for an algorithm
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/// </summary>
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/// <param name="address">Source URL to download from</param>
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/// <param name="headers">Headers to pass to the site</param>
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/// <param name="userName">Username for basic authentication</param>
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/// <param name="password">Password for basic authentication</param>
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/// <returns>String contents of file</returns>
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string Download(string address, IEnumerable<KeyValuePair<string, string>> headers, string userName, string password);
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/// <summary>
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/// Method for downloading data for an algorithm that can be read from a stream
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/// </summary>
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/// <param name="address">Source URL to download from</param>
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/// <param name="headers">Headers to pass to the site</param>
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/// <param name="userName">Username for basic authentication</param>
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/// <param name="password">Password for basic authentication</param>
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/// <returns>String contents of file</returns>
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byte[] DownloadBytes(string address, IEnumerable<KeyValuePair<string, string>> headers, string userName, string password);
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}
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}
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