private void OnProgressCall(ProgressCall call, long length, long position)
{
if (call != null)
{
try { call(length, position); }
catch { }
}
}
/// <summary>
/// DownloadFile
/// </summary>
/// <param name="url"></param>
/// <param name="method"></param>
/// <param name="formData"></param>
/// <param name="saveFileName"></param>
/// <param name="call"></param>
/// <returns></returns>
public EmptyContent DownloadFile(string url, string method, FormData formData, string saveFileName, ProgressCall call)
{
EmptyContent result = new EmptyContent();
try
{
HttpWebRequest request = this.CreateRequest(url, method);
this.SetFormData(request, formData);
using (HttpWebResponse response = this.GetResponse(request))
{
using (var responseStream = this.GetResponseStream(response))
{
long length = response.ContentLength > 0 ? response.ContentLength : responseStream.Length;
long position = 0;
this.OnProgressCall(call, length, position);
using (var fs = File.Create(saveFileName))
{
byte[] buffer = new byte[8 * 1024];
int count = 0;
int trycount = 0;
do
{
count = responseStream.Read(buffer, 0, buffer.Length);
if (count > 0)
{
fs.Write(buffer, 0, count);
fs.Flush();
position = position + count;
trycount = 0;
this.OnProgressCall(call, length, position);
}
else if ((response.ContentLength == 0 || response.ContentLength > position) &&
trycount < 3)
{
System.Threading.Thread.Sleep(50);
trycount++;
count = 1;
}
}while (count > 0);
}
this.SetContent(response, result);
}
}
}
catch (Exception ex)
{
result.Error = ex;
}
return(result);
}
