async public void Execute(object parameter)
{
UrlItem url = parameter as UrlItem;
string filename = this.vm_.SaveTo_;
// 上書きチェック
if ((System.IO.File.Exists(filename)) && (!this.vm_.OverwriteExistingFile_))
{
System.Windows.MessageBoxResult result =
System.Windows.MessageBox.Show(
"There is already a file with the same name.\nOverwrite local file ?\n\n" + filename,
"Save File",
System.Windows.MessageBoxButton.YesNoCancel,
System.Windows.MessageBoxImage.Question
);
if (result != System.Windows.MessageBoxResult.Yes)
{
return;
}
}
//System.Windows.MessageBox.Show("HttpRequestCommand, Execute, \n" + url + "\n" + filename);
this.IsBusy = true;
vm_.ProgressVisibility_ = System.Windows.Visibility.Visible;
await Task.Run(() => HttpGetProc(url, filename));
vm_.ProgressVisibility_ = System.Windows.Visibility.Hidden;
this.IsBusy = false;
}
private void HttpGetProc(UrlItem url, string filename)
{
if (url == null)
{
vm_.addLog("error, No URL selected.");
return;
}
vm_.addLog("request, " + url.Name_ + ", " + url.Path_);
// MessageBox.Show(url.Name_ + "\n" + url.Path_);
System.Net.HttpWebRequest req = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(url.Path_);
req.Credentials = new System.Net.NetworkCredential(url.Username_, url.Password_); // あってもなくても
System.Net.HttpWebResponse res = null;
try
{
res = (System.Net.HttpWebResponse)req.GetResponse();
System.IO.Stream st = res.GetResponseStream();
System.IO.FileStream fs = new System.IO.FileStream(filename, System.IO.FileMode.Create, System.IO.FileAccess.Write);
byte[] buf = new byte[1024];
while (true)
{
int readsize = st.Read(buf, 0, buf.Length);
if (readsize == 0)
{
break;
}
fs.Write(buf, 0, readsize);
}
fs.Close();
st.Close();
vm_.addLog("done");
}
catch (System.IO.IOException ex)
{
vm_.addLog("error, " + ex.Message);
}
catch (System.Net.WebException ex)
{
if (ex.Status == System.Net.WebExceptionStatus.ProtocolError)
{
System.Net.HttpWebResponse errres = (System.Net.HttpWebResponse)ex.Response;
//MessageBox.Show(errres.ResponseUri + "\n" + errres.StatusCode + "\n" + errres.StatusDescription);
vm_.addLog("error, " + errres.ResponseUri);
vm_.addLog("error, " + errres.StatusCode);
vm_.addLog("error, " + errres.StatusDescription);
}
else
{
//MessageBox.Show(ex.Message);
vm_.addLog("error, " + ex.Message);
}
}
catch (Exception ex)
{
vm_.addLog("error, " + ex.Message);
}
finally
{
if (res != null)
{
res.Close();
}
}
}