|
public DownloadDataTaskAsync ( System address ) : System.Threading.Tasks.Task |
||
| address | System | |
| return | System.Threading.Tasks.Task |
|
public static async Task BeginDownloadMinecraft(this MainWindow window)
{
window.LoadingBox.Visibility = Visibility.Visible;
window.LoadingText.Content = "Updating Minecraft...";
window.LoadingProgress.IsIndeterminate = true;
if (!Directory.Exists(Globals.LauncherDataPath + @"\Minecraft")) Directory.CreateDirectory(Globals.LauncherDataPath + @"\Minecraft");
if (!Directory.Exists(Globals.LauncherDataPath + @"\Minecraft\bin")) Directory.CreateDirectory(Globals.LauncherDataPath + @"\Minecraft\bin");
if (!Directory.Exists(Globals.LauncherDataPath + @"\Minecraft\bin\natives")) Directory.CreateDirectory(Globals.LauncherDataPath + @"\Minecraft\bin\natives");
WebClient c = new WebClient();
try
{
if ((long)Settings.Default["CachedLWJGLTimestamp"] == null || LauncherInformation.Current.LWJGLTimestamp > (long)Settings.Default["CachedLWJGLTimestamp"])
{
window.LoadingText.Content = "Downloading updated LWJGL...";
byte[] d = await c.DownloadDataTaskAsync(LauncherInformation.Current.LWJGLLocation);
ZipFile f = ZipFile.Read(new MemoryStream(d));
f.ExtractAll(Globals.LauncherDataPath + @"\Minecraft\bin", ExtractExistingFileAction.OverwriteSilently);
Settings.Default["CachedLWJGLTimestamp"] = LauncherInformation.Current.LWJGLTimestamp;
Settings.Default.Save();
}
if((long)Settings.Default["CachedMinecraftTimestamp"] == null || LauncherInformation.Current.MinecraftTimestamp > (long)Settings.Default["CachedMinecraftTimestamp"])
{
MessageBoxResult r = MessageBox.Show("Do you want to update Minecraft? (Latest version: " + LauncherInformation.Current.MinecraftVersion + ")", "MCLauncher", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (r == MessageBoxResult.Yes)
{
window.LoadingText.Content = "Downloading Minecraft " + LauncherInformation.Current.MinecraftVersion + "...";
byte[] mc = await c.DownloadDataTaskAsync(LauncherInformation.Current.MinecraftLocation);
File.WriteAllBytes(Globals.LauncherDataPath + @"\Minecraft\bin\minecraft.jar", mc);
Settings.Default["CachedMinecraftTimestamp"] = LauncherInformation.Current.MinecraftTimestamp;
Settings.Default.Save();
}
}
}
catch (WebException ex)
{
MessageBox.Show("Failed to update Minecraft. Is your internet down? Exception information: " + ex.ToString(), "An error has occured.", MessageBoxButton.OK, MessageBoxImage.Error);
}
finally
{
c.Dispose();
}
}
private async Task <MemoryStream> InvokeCreation(Models.GenerationRequest data)
{
MemoryStream ms;
var path = data.Template.Url;
var client = new System.Net.WebClient();
var src = await client.DownloadDataTaskAsync(path);
Scryber.Components.Document doc = null;
using (ms = new MemoryStream(src))
{
doc = Scryber.Components.Document.ParseDocument(ms, path, ParseSourceType.RemoteFile);
}
if (data.Params != null)
{
foreach (var p in data.Params)
{
doc.Params[p.Key] = p.Value;
}
}
ms = new MemoryStream();
doc.SaveAsPDF(ms, true);
return(ms);
}
private static async void RunFetchLoopAsync(IActorRef publisher, string url, string source)
{
await Task.Yield();
try
{
var c = new WebClient();
while (true)
{
var data = await c.DownloadDataTaskAsync(new Uri(url));
var str = Encoding.UTF8.GetString(data);
dynamic res = JsonConvert.DeserializeObject(str);
// Console.WriteLine("Downloaded {0}",url);
foreach (var bus in res)
{
string id = bus.ID;
double lat = bus.Latitude;
double lon = bus.Longitude;
publisher.Tell(new Presenter.Position(lon, lat, id, source));
}
//how long should we wait before polling again?
await Task.Delay(TimeSpan.FromSeconds(1));
}
}
catch
{
Console.WriteLine("Missing Route {0}", url);
}
}
[Category("AndroidNotWorking")] // Attempts to access the test dll which won't work on Android
public void DownloadData ()
{
WebClient wc;
bool progress_changed = false;
bool completed = false;
bool progress_changed_error = false;
bool completed_error = false;
int thread_id = Thread.CurrentThread.ManagedThreadId;
wc = new WebClient ();
wc.DownloadProgressChanged += delegate {
progress_changed = true;
if (Thread.CurrentThread.ManagedThreadId != thread_id)
progress_changed_error = true;
};
wc.DownloadDataCompleted += delegate {
completed = true;
if (Thread.CurrentThread.ManagedThreadId != thread_id)
completed_error = true;
};
MessagePumpSyncContext.Run (async () => {
var url = Assembly.GetExecutingAssembly ().CodeBase;
await wc.DownloadDataTaskAsync (url);
Assert.AreEqual (Thread.CurrentThread.ManagedThreadId, thread_id);
}, () => progress_changed && completed, 10000);
Assert.IsTrue (progress_changed, "#1");
Assert.IsFalse (progress_changed_error, "#2");
Assert.IsTrue (completed, "#3");
Assert.IsFalse (completed_error, "#4");
}
private static IObservable<byte[]> CreateObservableTimePoller()
{
return Observable.Create<byte[]>(observer =>
{
var scheduler = Scheduler.Default;
return scheduler.ScheduleAsync(async (schedulerController, cancelletionToken) =>
{
while (!cancelletionToken.IsCancellationRequested)
{
var client = new WebClient();
client.Headers.Add("user-agent",
@"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0)");
try
{
var result = await client.DownloadDataTaskAsync("http://www.timeapi.org/utc/now");
observer.OnNext(result);
}
catch (Exception ex)
{
Console.WriteLine(ex);
observer.OnError(ex);
}
await schedulerController.Sleep(TimeSpan.FromMilliseconds(500), cancelletionToken);
}
});
});
}
private async Task<byte[]> downloadImage(string path)
{
using (var wb = new WebClient())
{
return await wb.DownloadDataTaskAsync(path);
}
}
public static async Task<string> DownloadPageAsync(string path)
{
using (var webClient = new WebClient())
{
return Encoding.UTF8.GetString(await webClient.DownloadDataTaskAsync(path));
}
}
private static async Task<byte[]> DownloadProfilePhoto(string profileUrlString, byte[] emptyPhotoBytes)
{
var webClient = new WebClient();
webClient.UseDefaultCredentials = true;
byte[] blobBytes = new byte[emptyPhotoBytes.Length];
try
{
blobBytes = await webClient.DownloadDataTaskAsync(profileUrlString);
}
catch (WebException webException)
{
if (webException.Status == WebExceptionStatus.ProtocolError)
{
if (((HttpWebResponse)webException.Response).StatusCode == HttpStatusCode.NotFound)
{
emptyPhotoBytes.CopyTo(blobBytes, 0);
}
}
else if (webException.Status == WebExceptionStatus.NameResolutionFailure)
{
emptyPhotoBytes.CopyTo(blobBytes, 0);
}
else
{
throw webException;
}
}
return blobBytes;
}
public async Task DownloadAndRunAsync()
{
if (string.IsNullOrWhiteSpace(SupportUrl))
{
throw Log.ErrorAndCreateException<InvalidOperationException>("Please initialize the service by setting the SupportUrl property");
}
Log.Info("Downloading support app from '{0}'", SupportUrl);
var webClient = new WebClient();
webClient.DownloadProgressChanged += OnWebClientOnDownloadProgressChanged;
webClient.DownloadDataCompleted += OnWebClientOnDownloadDataCompleted;
var data = await webClient.DownloadDataTaskAsync(SupportUrl);
Log.Info("Support app is downloaded, storing file in temporary folder");
var tempDirectory = Path.Combine(Path.GetTempPath(), "Orc_AutomaticSupport", DateTime.Now.ToString("yyyyMMddHHmmss"));
if (!Directory.Exists(tempDirectory))
{
Directory.CreateDirectory(tempDirectory);
}
var tempFile = Path.Combine(tempDirectory, "SupportApp.exe");
File.WriteAllBytes(tempFile, data);
Log.Info("Running support app");
_processService.StartProcess(tempFile, CommandLineParameters, exitCode =>
{
_dispatcherService.BeginInvoke(() => SupportAppClosed.SafeInvoke(this));
});
}
public async Task<long> GetPageSize(CancellationToken cToken)
{
WebClient wc = new WebClient();
Stopwatch sw = Stopwatch.StartNew();
byte[] apressData = await wc.DownloadDataTaskAsync(TargetUrl);
Debug.WriteLine("Elapsed ms: {0}", sw.ElapsedMilliseconds);
return apressData.LongLength;
//List<long> results = new List<long>();
//for (int i = 0; i < 10; i++)
//{
// if (!cToken.IsCancellationRequested)
// {
// Debug.WriteLine("Making Request: {0}", i);
// byte[] apressData = await wc.DownloadDataTaskAsync(TargetUrl);
// results.Add(apressData.LongLength);
// }
// else
// {
// Debug.WriteLine("Cancelled");
// return 0;
// }
//}
////byte[] apressData = await wc.DownloadDataTaskAsync(TargetUrl);
//Debug.WriteLine("Elapsed ms: {0}", sw.ElapsedMilliseconds);
////return apressData.LongLength;
//return (long)results.Average();
}
public void DownloadDataTaskAsyncWhenCancellationTokenAndUriIsNullTest()
{
var webClient = new WebClient();
var exception = Assert.Throws<ArgumentNullException>(() => webClient.DownloadDataTaskAsync(null, new CancellationToken()));
Assert.AreEqual("uri", exception.ParamName);
}
private async void DownloadImageAsync()
{
try
{
var webClient = new WebClient();
var data = await webClient.DownloadDataTaskAsync("http://www.dot42.com/dot42/img/logo.png").ConfigureAwait(this);
var textView = FindViewById<TextView>(R.Ids.MyText);
var bitmap = BitmapFactory.DecodeByteArray(data, 0, data.Length);
if (bitmap == null)
{
textView.SetText("BitmapFactory cannot convert bytes into Bitmap");
}
else
{
textView.SetText("Ready:");
var imageView = FindViewById<ImageView>(R.Ids.MyImage);
imageView.SetImageBitmap(bitmap);
}
}
catch (Exception ex)
{
var textView = FindViewById<TextView>(R.Ids.MyText);
textView.SetText("Exception: " + ex.Message);
}
}
private async Task <Stream> GetStream(Uri imageUri)
{
// BitmapImage can download on its own from URIs, but in order
// to support downloading on a worker thread, we need to download the image
// data and put into a memorystream. Then have the BitmapImage decode the
// image from the memorystream.
byte[] imageData = null;
MemoryStream ms = null;
using (var wc = new System.Net.WebClient())
{
try
{
imageData = await wc.DownloadDataTaskAsync(imageUri);
ms = new MemoryStream(imageData, writable: false);
}
catch (WebException webex)
{
if (BadNetworkErrors.Any(c => webex.Status == c))
{
ErrorFloodGate.ReportBadNetworkError();
BitmapStatus = IconBitmapStatus.DefaultIconDueToWebExceptionBadNetwork;
}
else
{
BitmapStatus = IconBitmapStatus.DefaultIconDueToWebExceptionOther;
}
}
}
return(ms);
}
public Task<byte[]> GetAsByteArrayAsync()
{
using (var webClient = new WebClient())
{
return webClient.DownloadDataTaskAsync(_url);
}
}
public async Task ResetAsync(string CalculatorId)
{
using (var client = new WebClient())
{
await client.DownloadDataTaskAsync(new Uri(this.url + "reset?id=" + CalculatorId));
}
}
private async Task<Dictionary<string, SongInfo[]>> GetSongIdMap(bool remote)
{
try
{
if (remote)
{
using (var client = new WebClient())
{
var data = await client.DownloadDataTaskAsync(new Uri($"https://apiv2.deresute.info/data/live"));
using (var stream = new MemoryStream(data))
{
Directory.CreateDirectory("data/patterns");
File.WriteAllBytes($"data/patterns/index", data);
return ParseSongIdMap(stream);
}
}
}
else
{
using (var fs = File.OpenRead($"data/patterns/index"))
{
return ParseSongIdMap(fs);
}
}
}
catch
{
return null;
}
}
public static void Main(string[] args)
{
var urls = Console.In.ReadToEnd().Split(new string[]{Environment.NewLine}, StringSplitOptions.RemoveEmptyEntries);
var dir = args[0];
Func<string, Task> download = async (url) => {
var wc = new WebClient();
var uri = new Uri(url);
var fileName = Path.Combine(dir, Path.GetFileName(url));
try {
byte[] buf = await wc.DownloadDataTaskAsync(uri);
using (var fs = new FileStream(fileName, FileMode.Create))
{
await fs.WriteAsync(buf, 0, buf.Length);
}
Console.WriteLine("download: {0} => {1}", url, fileName);
} catch (Exception ex) {
Console.WriteLine("failed: {0}, {1}", url, ex.Message);
}
};
Task.WaitAll((from url in urls select download(url)).ToArray());
}
private static async Task<string> DownloadRawData(string url)
{
string cookieHeader = GetAllCookies_FireFox(StravaDomain);
WebClient webClient = new WebClient();
webClient.Headers.Add(HttpRequestHeader.Cookie, cookieHeader);
var res = await webClient.DownloadDataTaskAsync(new Uri(url));
return Encoding.UTF8.GetString(res);
}
public static async Task <byte[]> DownloadDataAsync(string url)
{
using (var wc = new System.Net.WebClient()) {
wc.Headers[HttpRequestHeader.UserAgent] = WII_USER_AGENT;
wc.DownloadProgressChanged += DownloadProgressChanged;
return(await wc.DownloadDataTaskAsync(new Uri(url)));
}
}
public async Task<AddResponse> AddAsync(AddRequest request)
{
using (var client = new WebClient())
{
await client.DownloadDataTaskAsync(new Uri(this.url + "add?id=" + request.CalculatorId + "&value=" + request.Value));
}
return new AddResponse();
}
public async Task<string> Load()
{
using (var client = new WebClient())
{
var raw= await client.DownloadDataTaskAsync(m_url);
return Encoding.UTF8.GetString(raw);
}
}
public void RSPEC_WebClient(string address, Uri uriAddress, byte[] data,
NameValueCollection values)
{
System.Net.WebClient webclient = new System.Net.WebClient();
// All of the following are Questionable although there may be false positives if the URI scheme is "ftp" or "file"
//webclient.Download * (...); // Any method starting with "Download"
webclient.DownloadData(address); // Noncompliant
webclient.DownloadDataAsync(uriAddress, new object()); // Noncompliant
webclient.DownloadDataTaskAsync(uriAddress); // Noncompliant
webclient.DownloadFile(address, "filename"); // Noncompliant
webclient.DownloadFileAsync(uriAddress, "filename"); // Noncompliant
webclient.DownloadFileTaskAsync(address, "filename"); // Noncompliant
webclient.DownloadString(uriAddress); // Noncompliant
webclient.DownloadStringAsync(uriAddress, new object()); // Noncompliant
webclient.DownloadStringTaskAsync(address); // Noncompliant
// Should not raise for events
webclient.DownloadDataCompleted += Webclient_DownloadDataCompleted;
webclient.DownloadFileCompleted += Webclient_DownloadFileCompleted;
webclient.DownloadProgressChanged -= Webclient_DownloadProgressChanged;
webclient.DownloadStringCompleted -= Webclient_DownloadStringCompleted;
//webclient.Open * (...); // Any method starting with "Open"
webclient.OpenRead(address);
// ^^^^^^^^^^^^^^^^^^^^^^^^^^^ {{Make sure that this http request is sent safely.}}
webclient.OpenReadAsync(uriAddress, new object()); // Noncompliant
webclient.OpenReadTaskAsync(address); // Noncompliant
webclient.OpenWrite(address); // Noncompliant
webclient.OpenWriteAsync(uriAddress, "STOR", new object()); // Noncompliant
webclient.OpenWriteTaskAsync(address, "POST"); // Noncompliant
webclient.OpenReadCompleted += Webclient_OpenReadCompleted;
webclient.OpenWriteCompleted += Webclient_OpenWriteCompleted;
//webclient.Upload * (...); // Any method starting with "Upload"
webclient.UploadData(address, data); // Noncompliant
webclient.UploadDataAsync(uriAddress, "STOR", data); // Noncompliant
webclient.UploadDataTaskAsync(address, "POST", data); // Noncompliant
webclient.UploadFile(address, "filename"); // Noncompliant
webclient.UploadFileAsync(uriAddress, "filename"); // Noncompliant
webclient.UploadFileTaskAsync(uriAddress, "POST", "filename"); // Noncompliant
webclient.UploadString(uriAddress, "data"); // Noncompliant
webclient.UploadStringAsync(uriAddress, "data"); // Noncompliant
webclient.UploadStringTaskAsync(uriAddress, "data"); // Noncompliant
webclient.UploadValues(address, values); // Noncompliant
webclient.UploadValuesAsync(uriAddress, values); // Noncompliant
webclient.UploadValuesTaskAsync(address, "POST", values);
// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// Should not raise for events
webclient.UploadDataCompleted += Webclient_UploadDataCompleted;
webclient.UploadFileCompleted += Webclient_UploadFileCompleted;
webclient.UploadProgressChanged -= Webclient_UploadProgressChanged;
webclient.UploadStringCompleted -= Webclient_UploadStringCompleted;
webclient.UploadValuesCompleted -= Webclient_UploadValuesCompleted;
}
public Task<byte[]> LoadAsync(Uri uri)
{
using (var client = new WebClient())
{
Task<byte[]> task = client.DownloadDataTaskAsync(uri);
return task;
}
}
async void downloadAsync(object sender, System.EventArgs ea)
{
webClient = new WebClient ();
//An large image url
var url = new Uri ("http://photojournal.jpl.nasa.gov/jpeg/PIA15416.jpg");
byte[] bytes = null;
webClient.DownloadProgressChanged += HandleDownloadProgressChanged;
this.downloadButton.SetTitle ("Cancel",UIControlState.Normal);
this.downloadButton.TouchUpInside -= downloadAsync;
this.downloadButton.TouchUpInside += cancelDownload;
infoLabel.Text = "Downloading...";
//Start download data using DownloadDataTaskAsync
try{
bytes = await webClient.DownloadDataTaskAsync(url);
}
catch(TaskCanceledException){
Console.WriteLine ("Task Canceled!");
return;
}
catch(Exception e) {
Console.WriteLine (e.ToString());
return;
}
string documentsPath = Environment.GetFolderPath (Environment.SpecialFolder.Personal);
string localFilename = "downloaded.png";
string localPath = Path.Combine (documentsPath, localFilename);
infoLabel.Text = "Download Complete";
//Save the image using writeAsync
FileStream fs = new FileStream (localPath, FileMode.OpenOrCreate);
await fs.WriteAsync (bytes, 0, bytes.Length);
Console.WriteLine("localPath:"+localPath);
//Resizing image is time costing, using async to avoid blocking the UI thread
UIImage image = null;
SizeF imageViewSize = imageView.Frame.Size;
infoLabel.Text = "Resizing Image...";
await Task.Run( () => { image = UIImage.FromFile(localPath).Scale(imageViewSize); } );
Console.WriteLine ("Loaded!");
imageView.Image = image;
infoLabel.Text = "Click Dowload button to download the image";
this.downloadButton.TouchUpInside -= cancelDownload;
this.downloadButton.TouchUpInside += downloadAsync;
this.downloadButton.SetTitle ("Download", UIControlState.Normal);
this.downloadProgress.Progress = 0.0f;
}
public async void DownloadHistory ( ImageView imageView,string url,ProgressBar Pbar =null)
{
if (string.IsNullOrEmpty(url))
return;
try {
int index = url.LastIndexOf ("/");
string localFilename = url.Substring (index + 1);
var webClient = new WebClient ();
var uri = new Uri (url);
webClient.DownloadProgressChanged += (sender, e) => {if(Pbar!=null) Pbar.Progress=e.ProgressPercentage; };
documentsPath = System.Environment.GetFolderPath (System.Environment.SpecialFolder.Personal);
localPath = System.IO.Path.Combine (documentsPath, localFilename);
var localImage = new Java.IO.File (localPath);
if (localImage.Exists ()) {
var imgUri=Android.Net.Uri.Parse("file:"+localPath);
imageView.SetImageURI(imgUri);
} else {
byte[] bytes = null;
bytes = await webClient.DownloadDataTaskAsync (uri);
FileStream fs = new FileStream (localPath, FileMode.Create);
await fs.WriteAsync (bytes, 0, bytes.Length);
fs.Close ();
var imgUri=Android.Net.Uri.Parse("file:"+localPath);
imageView.SetImageURI(imgUri);
// teamBitmap = await BitmapFactory.DecodeByteArrayAsync (bytes, 0, bytes.Length);
// imageView.SetImageBitmap (teamBitmap);
}
} catch (TaskCanceledException) {
return;
} catch (Exception) {
return;
}
}
public static byte[] DownloadData(string url)
{
using (var wc = new System.Net.WebClient()) {
wc.Headers[HttpRequestHeader.UserAgent] = WII_USER_AGENT;
wc.DownloadProgressChanged += DownloadProgressChanged;
var task = wc.DownloadDataTaskAsync(new Uri(url));
return(task.Result);
}
}
public async Task<byte[]> Retrieve(string storageKey)
{
var uri = _uriFormatter.FormatUri(storageKey);
_logger.Debug("Reading blob {0} from {1}", storageKey, uri);
using (var webClient = new WebClient())
{
var result = await webClient.DownloadDataTaskAsync(uri);
return result;
}
}
public async Task<byte[]> DownloadAsync(string url, IDictionary<string, string> headers, string method)
{
var client = new WebClient();
if (headers != null)
{
foreach (var header in headers)
client.Headers[header.Key] = header.Value;
}
return await client.DownloadDataTaskAsync(url);
}
public void DownloadDataTaskAsyncTest()
{
var uri = new Uri("https://www.google.com");
var timout = new TimeSpan(0, 0, 30);
var webClient = new WebClient();
var result = webClient.DownloadDataTaskAsync(uri, timout).Result;
Assert.IsNotNull(result);
Assert.AreEqual(typeof(byte[]), result.GetType());
}
public async Task<bool> FileExistsAsync(GitHubRepoSearchItem repo, string filePath) {
var wc = new WebClient();
var url = $"https://raw.githubusercontent.com/{repo.FullName}/master/{filePath}";
try {
var json = await wc.DownloadDataTaskAsync(url);
return true;
} catch (WebException) {
return false;
}
}
public async Task LoadChangelog()
{
var downloader = new WebClient();
string version = await downloader.DownloadStringTaskAsync("http://battlelogium.github.io/Battlelogium/releaseinfo/releaseversion");
MemoryStream changenotes = new MemoryStream(await downloader.DownloadDataTaskAsync("http://battlelogium.github.io/Battlelogium/releaseinfo/releasenotes.rtf"));
this.Dispatcher.Invoke(() =>
{
new TextRange(changeLogBox.Document.ContentStart, changeLogBox.Document.ContentEnd).Load(changenotes, DataFormats.Rtf);
this.versionLabel.Content = "Version " + version;
});
}
public async Task<Bitmap> downloadAsync (string uri)
{
if (uri == null)
return null;
int index = uri.LastIndexOf ("/");
string localFilename = uri.Substring (index + 1);
webClient = new WebClient ();
var url = new Uri (uri);
byte[] bytes = null;
try {
bytes = await webClient.DownloadDataTaskAsync (url);
} catch (TaskCanceledException Ex) {
Log.Error ("downloadAsync:", Ex.Message);
return null;
} catch (Exception Ex) {
Log.Error ("downloadAsync:", Ex.Message);
return null;
}
string documentsPath = System.Environment.GetFolderPath (System.Environment.SpecialFolder.Personal);
string localPath = System.IO.Path.Combine (documentsPath, localFilename);
//Sive the Image using writeAsync
FileStream fs = new FileStream (localPath, FileMode.OpenOrCreate);
await fs.WriteAsync (bytes, 0, bytes.Length);
//Console.WriteLine("localPath:"+localPath);
fs.Close ();
BitmapFactory.Options options = new BitmapFactory.Options ();
options.InJustDecodeBounds = true;
await BitmapFactory.DecodeFileAsync (localPath, options);
// options.InSampleSize = options.OutWidth > options.OutHeight ? options.OutHeight / imageview.Height : options.OutWidth / imageview.Width;
options.InJustDecodeBounds = false;
Bitmap bitmap = await BitmapFactory.DecodeFileAsync (localPath, options);
return (bitmap);
}
public async Task<IActionResult> Convert(ImageToConvert imageToConvert)
{
var result = string.Empty;
if (!string.IsNullOrEmpty(imageToConvert.UrlOfTheImage))
{
WebClient webClient = new WebClient();
var imageBytes = await webClient.DownloadDataTaskAsync(new Uri(imageToConvert.UrlOfTheImage));
result = ConvertToText(imageBytes);
}
return Json(result);
}
/// <summary>
/// Downloads a file from the Internet (http, https). If an exception occurs a
/// null will be returned.
/// </summary>
/// <param name="remoteUrl"></param>
public static async Task <byte[]> SafeDownloadFileAsync(string remoteUrl)
{
try
{
using var wc = new System.Net.WebClient();
return(await wc.DownloadDataTaskAsync(remoteUrl));
}
catch
{
return(null);
}
}
public async Task <WebResult> Download(Url url)
{
//TODO: проверять content type перед закачкой
var result = new WebResult {
Url = url
};
try
{
var rawdata = await _client.DownloadDataTaskAsync(url.ToString());
result.Data = Encoding
.GetEncoding(GetCharset() ?? Encoding.UTF8.WebName)
.GetString(rawdata);
result.ErrorCode = 200;
}
catch (WebException ex) when(ex.Response is HttpWebResponse && ex.Status == WebExceptionStatus.ProtocolError && ex.Response != null)
{
result.ErrorCode = GetStatusCode(ex);
}
return(result);
}
/// <summary>
/// Scarica un file in asincrono.
/// </summary>
/// <param name="Url">L'Url da dove prelevare il file</param>
/// <param name="Destination">La destinazione locale dove salvarlo</param>
/// <param name="WriteOnBuffer">Se deve scaricare i dati (alcune estensioni hanno problemi con downloadfile)</param>
public static async UniTask <bool> DownloadFileAsync(string Url, string Destination, bool WriteOnBuffer = false)
{
try {
if (WriteOnBuffer)
{
System.Net.WebClient webClient = new System.Net.WebClient();
byte[] buffer = await webClient.DownloadDataTaskAsync(Url);
File.WriteAllBytes(Destination, buffer);
webClient.Dispose();
}
else
{
System.Net.WebClient webClient = new System.Net.WebClient();
await webClient.DownloadFileTaskAsync(Url, Destination);
webClient.Dispose();
}
} catch (Exception e) {
LogE("Utilities", "Errore DownloadFile: [" + e + "]");
return(false);
}
return(true);
}
public async static Task LoadGeneratedMonsters()
{
//Console.WriteLine("test");
string url = "https://jsonplaceholder.typicode.com/photos";
System.Net.WebClient wc = new System.Net.WebClient();
byte[] raw = await(wc.DownloadDataTaskAsync(url));
string webData = System.Text.Encoding.UTF8.GetString(raw);
JArray photos = JArray.Parse(webData);
//Console.WriteLine("test");
foreach (var item in photos)
{
var idToken = item.SelectToken("id");
var titleToken = item.SelectToken("title");
//Console.WriteLine(e);
int id = Int32.Parse(idToken.ToString());
_randomMonsters.Add(new Monster(MonsterID.GENERATED, titleToken.ToString(), 10, 10, 10, 10, 10));
}
Console.WriteLine(_randomMonsters.Count);
}
public Task <byte[]> DownloadDataTaskAsync(string address)
{
return(_webClient.DownloadDataTaskAsync(address));
}
public async Task<IActionResult> ProfileImage(string domain, string login)
{
using (var client = new WebClient())
{
var uri = string.Format(_appSettings.Options.SharePointImageUrl, domain, login);
var data = await client.DownloadDataTaskAsync(uri);
return File(data, "image/jpeg");
}
}
public Task<byte[]> DownloadUrl(string url)
{
var wc = new WebClient();
this.Log().Info("Downloading url: " + url);
return this.WarnIfThrows(() => wc.DownloadDataTaskAsync(url),
"Failed to download url: " + url);
}