static async Task DoDownload(Uri url, string targetFile, DownloadStatus status)
{
using (var httpClient = new HttpClient()) {
httpClient.Timeout = WebRequestTimeout;
Log.DebugLine("Calling GetAsync");
HttpResponseMessage resp = await httpClient.GetAsync(url, HttpCompletionOption.ResponseHeadersRead);
Log.DebugLine("GetAsync finished");
resp.EnsureSuccessStatusCode();
string dir = Path.GetDirectoryName(targetFile);
CreateDirectory(dir);
using (var fs = File.Open(targetFile, FileMode.Create, FileAccess.Write)) {
using (var webStream = await resp.Content.ReadAsStreamAsync()) {
status.Start();
WriteWithProgress(fs, webStream, status);
}
}
}
}
public static async Task <bool> Download(Uri url, string targetFile, DownloadStatus status)
{
if (url == null)
{
throw new ArgumentNullException(nameof(url));
}
if (String.IsNullOrEmpty(targetFile))
{
throw new ArgumentException("must not be null or empty", nameof(targetFile));
}
if (status == null)
{
throw new ArgumentNullException(nameof(status));
}
using (var httpClient = new HttpClient()) {
httpClient.Timeout = WebRequestTimeout;
HttpResponseMessage resp;
try {
Log.DebugLine("Calling GetAsync");
resp = await httpClient.GetAsync(url, HttpCompletionOption.ResponseHeadersRead);
Log.DebugLine("GetAsync finished");
} catch (Exception ex) {
Log.DebugLine($"Exception: {ex}");
throw;
}
resp.EnsureSuccessStatusCode();
string dir = Path.GetDirectoryName(targetFile);
CreateDirectory(dir);
using (var fs = File.Open(targetFile, FileMode.Create, FileAccess.Write)) {
using (var webStream = await resp.Content.ReadAsStreamAsync()) {
status.Start();
await DoDownload(fs, webStream, status);
}
}
}
return(true);
}
