115 lines
4.0 KiB
C#
115 lines
4.0 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Text;
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using COSXML.Model.Tag;
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using COSXML.Common;
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using COSXML.CosException;
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using COSXML.Network;
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namespace COSXML.Model.Object
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{
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/// <summary>
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/// 实现完成整个分块上传
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/// <see cref="https://cloud.tencent.com/document/product/436/7742"/>
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/// </summary>
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public sealed class CompleteMultipartUploadRequest : ObjectRequest
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{
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/// <summary>
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/// 本次分块上传的所有信息
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/// <see cref="Model.Tag.CompleteMultipartUpload"/>
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/// </summary>
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private CompleteMultipartUpload completeMultipartUpload;
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/// <summary>
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/// 标识本次分块上传的 ID,
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/// 使用 Initiate Multipart Upload 接口初始化分片上传时会得到一个 uploadId，
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/// 该 ID 不但唯一标识这一分块数据，也标识了这分块数据在整个文件内的相对位置
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/// </summary>
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private string uploadId;
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public CompleteMultipartUploadRequest(string bucket, string key, string uploadId)
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: base(bucket, key)
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{
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this.method = CosRequestMethod.POST;
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this.needMD5 = true;
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this.uploadId = uploadId;
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completeMultipartUpload = new CompleteMultipartUpload();
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completeMultipartUpload.parts = new List<CompleteMultipartUpload.Part>();
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}
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/// <summary>
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/// 标识本次分块上传的 ID,
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/// 使用 Initiate Multipart Upload 接口初始化分片上传时会得到一个 uploadId，
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/// 该 ID 不但唯一标识这一分块数据，也标识了这分块数据在整个文件内的相对位置
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/// </summary>
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/// <param name="uploadId"></param>
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public void SetUploadId(string uploadId)
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{
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this.uploadId = uploadId;
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}
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/// <summary>
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/// 添加分片块（块编号，块ETag值）
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/// </summary>
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/// <param name="partNumber"></param>
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/// <param name="eTag"></param>
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public void SetPartNumberAndETag(int partNumber, string eTag)
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{
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CompleteMultipartUpload.Part part = new CompleteMultipartUpload.Part();
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part.partNumber = partNumber;
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part.eTag = eTag;
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completeMultipartUpload.parts.Add(part);
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}
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/// <summary>
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/// 添加分片块（块编号，块ETag值）
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/// </summary>
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/// <param name="partNumberAndETags"></param>
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public void SetPartNumberAndETag(Dictionary<int, string> partNumberAndETags)
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{
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if (partNumberAndETags != null)
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{
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foreach (KeyValuePair<int, string> pair in partNumberAndETags)
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{
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SetPartNumberAndETag(pair.Key, pair.Value);
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}
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}
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}
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public override Network.RequestBody GetRequestBody()
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{
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string content = Transfer.XmlBuilder.BuildCompleteMultipartUpload(completeMultipartUpload);
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byte[] data = Encoding.UTF8.GetBytes(content);
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ByteRequestBody body = new ByteRequestBody(data);
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return body;
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}
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public override void CheckParameters()
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{
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if (completeMultipartUpload.parts.Count == 0)
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{
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throw new CosClientException((int)CosClientError.INVALID_ARGUMENT, "completeMultipartUpload.parts count = 0");
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}
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if (requestUrlWithSign != null) return;
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base.CheckParameters();
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if (uploadId == null)
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{
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throw new CosClientException((int)CosClientError.INVALID_ARGUMENT, "uploadId is null");
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}
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}
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protected override void InternalUpdateQueryParameters()
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{
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try
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{
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this.queryParameters.Add("uploadId", uploadId);
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}
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catch (ArgumentException)
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{
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this.queryParameters["uploadId"] = uploadId;
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}
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}
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}
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}
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