public static Task <string> ReadToEndAsync([NotNull] this WebResponse thisValue, IOSettings settings = null, CancellationToken token = default(CancellationToken))
{
token.ThrowIfCancellationRequested();
settings ??= new IOSettings();
Stream stream = null;
StreamReader reader = null;
string result;
try
{
stream = GetStream(thisValue);
token.ThrowIfCancellationRequested();
if (stream == null)
{
return(null);
}
reader = new StreamReader(stream, settings.Encoding, true, settings.BufferSize);
result = reader.ReadToEndAsync().Execute();
token.ThrowIfCancellationRequested();
}
catch (Exception ex) when(settings.OnError != null)
{
result = null;
settings.OnError(ex);
}
finally
{
ObjectHelper.Dispose(ref reader);
ObjectHelper.Dispose(ref stream);
}
return(Task.FromResult(result));
}
public static bool Read([NotNull] this WebResponse thisValue, [NotNull] IOSettings settings)
{
IIOOnRead ioOnRead = settings as IIOOnRead ?? throw new ArgumentException("Argument must provide an OnRead implementation.", nameof(settings));
Stream stream = null;
StreamReader reader = null;
try
{
stream = GetStream(thisValue);
if (stream == null)
{
return(false);
}
reader = new StreamReader(stream, settings.Encoding, true);
int length;
char[] chars = new char[settings.BufferSize];
do
{
length = reader.Read(chars);
}while (length > 0 && ioOnRead.OnRead(chars, length));
return(true);
}
catch (Exception ex) when(settings.OnError != null)
{
settings.OnError(ex);
return(false);
}
finally
{
ObjectHelper.Dispose(ref reader);
ObjectHelper.Dispose(ref stream);
}
}
public static string ReadToEnd([NotNull] this WebResponse thisValue, IOSettings settings = null)
{
settings ??= new IOSettings();
Stream stream = null;
StreamReader reader = null;
string result;
try
{
stream = GetStream(thisValue);
if (stream == null)
{
return(null);
}
reader = new StreamReader(stream, settings.Encoding, true, settings.BufferSize);
result = reader.ReadToEnd();
}
catch (Exception ex) when(settings.OnError != null)
{
result = null;
settings.OnError(ex);
}
finally
{
ObjectHelper.Dispose(ref reader);
ObjectHelper.Dispose(ref stream);
}
return(result);
}
public static Task <bool> ReadAsync([NotNull] this WebResponse thisValue, [NotNull] IOSettings settings, CancellationToken token = default(CancellationToken))
{
token.ThrowIfCancellationRequested();
IIOOnRead ioOnRead = settings as IIOOnRead ?? throw new ArgumentException("Argument must provide an OnRead implementation.", nameof(settings));
Stream stream = null;
StreamReader reader = null;
try
{
stream = GetStream(thisValue);
token.ThrowIfCancellationRequested();
if (stream == null)
{
return(Task.FromResult(false));
}
reader = new StreamReader(stream, settings.Encoding, true);
int length;
char[] chars = new char[settings.BufferSize];
do
{
length = reader.ReadAsync(chars).Execute();
}while (!token.IsCancellationRequested && length > 0 && ioOnRead.OnRead(chars, length));
token.ThrowIfCancellationRequested();
return(Task.FromResult(true));
}
catch (Exception ex) when(settings.OnError != null)
{
settings.OnError(ex);
return(Task.FromResult(false));
}
finally
{
ObjectHelper.Dispose(ref reader);
ObjectHelper.Dispose(ref stream);
}
}
