internal static bool TryCreate(BindingElementCollection elements, out Binding binding)
{
binding = null;
if (elements.Count > 6)
{
return(false);
}
// collect all binding elements
PrivacyNoticeBindingElement privacy = null;
TransactionFlowBindingElement txFlow = null;
ReliableSessionBindingElement session = null;
SecurityBindingElement security = null;
MessageEncodingBindingElement encoding = null;
HttpTransportBindingElement transport = null;
foreach (BindingElement element in elements)
{
if (element is SecurityBindingElement)
{
security = element as SecurityBindingElement;
}
else if (element is TransportBindingElement)
{
transport = element as HttpTransportBindingElement;
}
else if (element is MessageEncodingBindingElement)
{
encoding = element as MessageEncodingBindingElement;
}
else if (element is TransactionFlowBindingElement)
{
txFlow = element as TransactionFlowBindingElement;
}
else if (element is ReliableSessionBindingElement)
{
session = element as ReliableSessionBindingElement;
}
else if (element is PrivacyNoticeBindingElement)
{
privacy = element as PrivacyNoticeBindingElement;
}
else
{
return(false);
}
}
if (transport == null)
{
return(false);
}
if (encoding == null)
{
return(false);
}
if (!transport.AuthenticationScheme.IsSingleton())
{
//multiple authentication schemes selected -- not supported in StandardBindings
return(false);
}
HttpsTransportBindingElement httpsTransport = transport as HttpsTransportBindingElement;
if ((security != null) && (httpsTransport != null) && (httpsTransport.RequireClientCertificate != TransportDefaults.RequireClientCertificate))
{
return(false);
}
if (null != privacy || !WSHttpBinding.TryCreate(security, transport, session, txFlow, out binding))
{
if (!WSFederationHttpBinding.TryCreate(security, transport, privacy, session, txFlow, out binding))
{
if (!WS2007HttpBinding.TryCreate(security, transport, session, txFlow, out binding))
{
if (!WS2007FederationHttpBinding.TryCreate(security, transport, privacy, session, txFlow, out binding))
{
return(false);
}
}
}
}
if (txFlow == null)
{
txFlow = GetDefaultTransactionFlowBindingElement();
if ((binding is WS2007HttpBinding) || (binding is WS2007FederationHttpBinding))
{
txFlow.TransactionProtocol = TransactionProtocol.WSAtomicTransaction11;
}
}
WSHttpBindingBase wSHttpBindingBase = binding as WSHttpBindingBase;
wSHttpBindingBase.InitializeFrom(transport, encoding, txFlow, session);
if (!wSHttpBindingBase.IsBindingElementsMatch(transport, encoding, txFlow, session))
{
return(false);
}
return(true);
}
internal static bool TryCreate(BindingElementCollection elements, out Binding binding)
{
binding = null;
if (elements.Count > 6)
{
return(false);
}
PrivacyNoticeBindingElement privacy = null;
System.ServiceModel.Channels.TransactionFlowBindingElement tfbe = null;
System.ServiceModel.Channels.ReliableSessionBindingElement rsbe = null;
SecurityBindingElement sbe = null;
MessageEncodingBindingElement encoding = null;
HttpTransportBindingElement transport = null;
foreach (BindingElement element7 in elements)
{
if (element7 is SecurityBindingElement)
{
sbe = element7 as SecurityBindingElement;
}
else if (element7 is TransportBindingElement)
{
transport = element7 as HttpTransportBindingElement;
}
else if (element7 is MessageEncodingBindingElement)
{
encoding = element7 as MessageEncodingBindingElement;
}
else if (element7 is System.ServiceModel.Channels.TransactionFlowBindingElement)
{
tfbe = element7 as System.ServiceModel.Channels.TransactionFlowBindingElement;
}
else if (element7 is System.ServiceModel.Channels.ReliableSessionBindingElement)
{
rsbe = element7 as System.ServiceModel.Channels.ReliableSessionBindingElement;
}
else if (element7 is PrivacyNoticeBindingElement)
{
privacy = element7 as PrivacyNoticeBindingElement;
}
else
{
return(false);
}
}
if (transport == null)
{
return(false);
}
if (encoding == null)
{
return(false);
}
if (((privacy != null) || !WSHttpBinding.TryCreate(sbe, transport, rsbe, tfbe, out binding)) && ((!WSFederationHttpBinding.TryCreate(sbe, transport, privacy, rsbe, tfbe, out binding) && !WS2007HttpBinding.TryCreate(sbe, transport, rsbe, tfbe, out binding)) && !WS2007FederationHttpBinding.TryCreate(sbe, transport, privacy, rsbe, tfbe, out binding)))
{
return(false);
}
if (tfbe == null)
{
tfbe = GetDefaultTransactionFlowBindingElement();
if ((binding is WS2007HttpBinding) || (binding is WS2007FederationHttpBinding))
{
tfbe.TransactionProtocol = TransactionProtocol.WSAtomicTransaction11;
}
}
WSHttpBindingBase base2 = binding as WSHttpBindingBase;
base2.InitializeFrom(transport, encoding, tfbe, rsbe);
if (!base2.IsBindingElementsMatch(transport, encoding, tfbe, rsbe))
{
return(false);
}
return(true);
}