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COSXML/Model/Object/UploadPartRequest.cs

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+using System;
+using System.Collections.Generic;
+
+using System.Text;
+using COSXML.Common;
+using System.IO;
+using COSXML.Log;
+using COSXML.CosException;
+using COSXML.Network;
+
+namespace COSXML.Model.Object
+{
+    /// <summary>
+    /// 分片上传
+    /// <see cref="https://cloud.tencent.com/document/product/436/7750"/>
+    /// </summary>
+    public sealed class UploadPartRequest : ObjectRequest
+    {
+        private static string TAG = typeof(UploadPartRequest).FullName;
+        /// <summary>
+        /// 分片块编号
+        /// </summary>
+        private int partNumber;
+        /// <summary>
+        /// 分片上传的UploadId
+        /// </summary>
+        private string uploadId;
+        /// <summary>
+        /// 本地文件路径
+        /// </summary>
+        private string srcPath;
+        /// <summary>
+        /// 上传文件指定起始位置
+        /// </summary>
+        private long fileOffset = -1L;
+        /// <summary>
+        /// 上传指定内容的长度
+        /// </summary>
+        private long contentLength = -1L;
+        /// <summary>
+        /// 上传data数据
+        /// </summary>
+        private byte[] data;
+        /// <summary>
+        /// 上传回调
+        /// </summary>
+        private COSXML.Callback.OnProgressCallback progressCallback;
+
+
+        private UploadPartRequest(string bucket, string key, int partNumber, string uploadId)
+            : base(bucket, key)
+        {
+            this.method = CosRequestMethod.PUT;
+            this.partNumber = partNumber;
+            this.uploadId = uploadId;
+        }
+        /// <summary>
+        /// 上传文件的指定内容
+        /// </summary>
+        /// <param name="bucket"></param>
+        /// <param name="key"></param>
+        /// <param name="partNumber"></param>
+        /// <param name="uploadId"></param>
+        /// <param name="srcPath"></param>
+        /// <param name="fileOffset">文件指定起始位置</param>
+        /// <param name="fileSendLength">文件指定内容长度</param>
+        public UploadPartRequest(string bucket, string key, int partNumber, string uploadId, string srcPath, long fileOffset,
+            long fileSendLength)
+            : this(bucket, key, partNumber, uploadId)
+        {
+            this.srcPath = srcPath;
+            this.fileOffset = fileOffset < 0 ? 0 : fileOffset;
+            this.contentLength = fileSendLength < 0 ? -1L : fileSendLength;
+        }
+        /// <summary>
+        /// 上传整个文件
+        /// </summary>
+        /// <param name="bucket"></param>
+        /// <param name="key"></param>
+        /// <param name="partNumber"></param>
+        /// <param name="uploadId"></param>
+        /// <param name="srcPath"></param>
+        public UploadPartRequest(string bucket, string key, int partNumber, string uploadId, string srcPath)
+            : this(bucket, key, partNumber, uploadId, srcPath, -1L, -1L)
+        { }
+        /// <summary>
+        /// 上传data数据
+        /// </summary>
+        /// <param name="bucket"></param>
+        /// <param name="key"></param>
+        /// <param name="partNumber"></param>
+        /// <param name="uploadId"></param>
+        /// <param name="data"></param>
+        public UploadPartRequest(string bucket, string key, int partNumber, string uploadId, byte[] data)
+            :this(bucket, key, partNumber, uploadId)
+        {
+            this.data = data;
+        }
+        /// <summary>
+        /// 设置分片块编号
+        /// </summary>
+        /// <param name="partNumber"></param>
+        public void SetPartNumber(int partNumber)
+        {
+            this.partNumber = partNumber;
+        }
+        /// <summary>
+        /// 设置上传的UploadId
+        /// </summary>
+        /// <param name="uploadId"></param>
+        public void SetUploadId(string uploadId)
+        {
+            this.uploadId = uploadId;
+        }
+
+        /// <summary>
+        /// 最大上传速度，单位是 bit/s
+        /// </summary>
+        /// <param name="start"></param>
+        public void LimitTraffic(long rate) {
+            SetRequestHeader(CosRequestHeaderKey.X_COS_TRAFFIC_LIMIT, rate.ToString());
+        }
+        /// <summary>
+        /// 设置回调
+        /// </summary>
+        /// <param name="progressCallback"></param>
+        public void SetCosProgressCallback(COSXML.Callback.OnProgressCallback progressCallback)
+        {
+            this.progressCallback = progressCallback;
+        }
+
+        public override void CheckParameters()
+        {
+            if (srcPath == null && data == null) throw new CosClientException((int)(CosClientError.INVALID_ARGUMENT), "data source = null");
+            if (srcPath != null)
+            {
+                if (!File.Exists(srcPath)) throw new CosClientException((int)(CosClientError.INVALID_ARGUMENT), "file not exist");
+            }
+            if (requestUrlWithSign != null) return;
+            base.CheckParameters();
+            if (partNumber <= 0)
+            {
+                throw new CosClientException((int)CosClientError.INVALID_ARGUMENT, "partNumber < 1");
+            }
+            if (uploadId == null)
+            {
+                throw new CosClientException((int)CosClientError.INVALID_ARGUMENT, "uploadId = null");
+            }
+        }
+
+        protected override void InternalUpdateQueryParameters()
+        {
+            try
+            {
+                queryParameters.Add("uploadId", uploadId);
+            }
+            catch (ArgumentException)
+            {
+                queryParameters["uploadId"] = uploadId;
+            }
+            try
+            {
+                queryParameters.Add("partNumber", partNumber.ToString());
+            }
+            catch (ArgumentException)
+            {
+                queryParameters["partNumber"] = partNumber.ToString();
+            }
+        }
+
+        public override Network.RequestBody GetRequestBody()
+        {
+            RequestBody body = null;
+            if (srcPath != null)
+            {
+                FileInfo fileInfo = new FileInfo(srcPath);
+                if (contentLength == -1 || contentLength + fileOffset > fileInfo.Length)
+                {
+                    contentLength = fileInfo.Length - fileOffset;
+                }
+                body = new FileRequestBody(srcPath, fileOffset, contentLength);
+                body.ProgressCallback = progressCallback;
+            }
+            else if (data != null)
+            {
+                body = new ByteRequestBody(data);
+                body.ProgressCallback = progressCallback;
+            }
+            return body;
+        }
+    }
+}