public static bool IsAvailable()
{
try
{
ScriptXmlHttpRequest request = new ScriptXmlHttpRequest();
return(null != request);
}
catch (WebException)
{
return(false);
}
}
public override void Abort()
{
this.aborted = true;
if (this.underlyingRequest != null)
{
this.underlyingRequest.Abort();
this.underlyingRequest.Dispose();
this.underlyingRequest = null;
}
if (this.response != null)
{
((XHRHttpWebResponse)this.response).InternalRequest = null;
this.response = null;
}
this.Close();
}
private void InvokeRequest()
{
if (this.aborted)
{
throw CreateAbortException();
}
if (this.invoked)
{
throw new InvalidOperationException(
System.Data.Services.Client.Strings.HttpWeb_Internal("HttpWebRequest.InvokeRequest"));
}
this.invoked = true;
this.underlyingRequest = new ScriptXmlHttpRequest();
this.underlyingRequest.Open(this.uri.AbsoluteUri, this.Method, (Action)this.ReadyStateChanged);
if ((this.headers != null) && (this.headers.Count != 0))
{
foreach (string header in this.headers.AllKeys)
{
string value = this.headers[header];
this.underlyingRequest.SetRequestHeader(header, value);
}
}
string content = null;
if (this.contentStream != null)
{
byte[] buf = this.contentStream.GetBuffer();
if (buf != null)
{
int bufferSize = checked ((int)this.contentStream.Position);
content = Encoding.UTF8.GetString(buf, 0, bufferSize);
this.underlyingRequest.SetRequestHeader("content-length", bufferSize.ToString(CultureInfo.InvariantCulture));
}
}
this.underlyingRequest.Send(content);
}
private void InvokeRequest()
{
if (this.aborted)
{
throw CreateAbortException();
}
if (this.invoked)
{
throw new InvalidOperationException(
System.Data.Services.Client.Strings.HttpWeb_Internal("HttpWebRequest.InvokeRequest"));
}
this.invoked = true;
this.underlyingRequest = new ScriptXmlHttpRequest();
this.underlyingRequest.Open(this.uri.AbsoluteUri, this.Method, (Action)this.ReadyStateChanged);
if ((this.headers != null) && (this.headers.Count != 0))
{
foreach (string header in this.headers.AllKeys)
{
string value = this.headers[header];
this.underlyingRequest.SetRequestHeader(header, value);
}
}
string content = null;
if (this.contentStream != null)
{
byte[] buf = this.contentStream.GetBuffer();
if (buf != null)
{
int bufferSize = checked((int)this.contentStream.Position);
content = Encoding.UTF8.GetString(buf, 0, bufferSize);
this.underlyingRequest.SetRequestHeader("content-length", bufferSize.ToString(CultureInfo.InvariantCulture));
}
}
this.underlyingRequest.Send(content);
}
public override void Abort()
{
this.aborted = true;
if (this.underlyingRequest != null)
{
this.underlyingRequest.Abort();
this.underlyingRequest.Dispose();
this.underlyingRequest = null;
}
if (this.response != null)
{
((XHRHttpWebResponse)this.response).InternalRequest = null;
this.response = null;
}
this.Close();
}
public static bool IsAvailable()
{
try
{
ScriptXmlHttpRequest request = new ScriptXmlHttpRequest();
return (null != request);
}
catch (WebException)
{
return false;
}
}
