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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Description
{
using System.Globalization;
using System.ServiceModel.Channels;
using System.ServiceModel;
using System.Collections.Generic;
public static class MetadataExchangeBindings
{
static Binding httpBinding;
static Binding httpGetBinding;
static Binding httpsBinding;
static Binding httpsGetBinding;
static Binding tcpBinding;
static Binding pipeBinding;
internal static Binding Http
{
get
{
// don't need to lock because no guarantee of instance identity
if (httpBinding == null)
{
httpBinding = CreateHttpBinding();
}
return httpBinding;
}
}
internal static Binding HttpGet
{
get
{
// don't need to lock because no guarantee of instance identity
if (httpGetBinding == null)
{
httpGetBinding = CreateHttpGetBinding();
}
return httpGetBinding;
}
}
internal static Binding Https
{
get
{
// don't need to lock because no guarantee of instance identity
if (httpsBinding == null)
{
httpsBinding = CreateHttpsBinding();
}
return httpsBinding;
}
}
internal static Binding HttpsGet
{
get
{
// don't need to lock because no guarantee of instance identity
if (httpsGetBinding == null)
{
httpsGetBinding = CreateHttpsGetBinding();
}
return httpsGetBinding;
}
}
internal static Binding Tcp
{
get
{
// don't need to lock because no guarantee of instance identity
if (tcpBinding == null)
{
tcpBinding = CreateTcpBinding();
}
return tcpBinding;
}
}
internal static Binding NamedPipe
{
get
{
// don't need to lock because no guarantee of instance identity
if (pipeBinding == null)
{
pipeBinding = CreateNamedPipeBinding();
}
return pipeBinding;
}
}
public static Binding CreateMexHttpBinding()
{
return MetadataExchangeBindings.CreateHttpBinding();
}
public static Binding CreateMexHttpsBinding()
{
return MetadataExchangeBindings.CreateHttpsBinding();
}
public static Binding CreateMexTcpBinding()
{
return MetadataExchangeBindings.CreateTcpBinding();
}
public static Binding CreateMexNamedPipeBinding()
{
return MetadataExchangeBindings.CreateNamedPipeBinding();
}
internal static Binding GetBindingForScheme(string scheme)
{
Binding binding = null;
TryGetBindingForScheme(scheme, out binding);
return binding;
}
internal static bool TryGetBindingForScheme(string scheme, out Binding binding)
{
if (String.Compare(scheme, "http", StringComparison.OrdinalIgnoreCase) == 0)
{
binding = Http;
}
else if (String.Compare(scheme, "https", StringComparison.OrdinalIgnoreCase) == 0)
{
binding = Https;
}
else if (String.Compare(scheme, "net.tcp", StringComparison.OrdinalIgnoreCase) == 0)
{
binding = Tcp;
}
else if (String.Compare(scheme, "net.pipe", StringComparison.OrdinalIgnoreCase) == 0)
{
binding = NamedPipe;
}
else
{
binding = null;
}
return binding != null;
}
static WSHttpBinding CreateHttpBinding()
{
WSHttpBinding binding = new WSHttpBinding(SecurityMode.None, /* reliableSessionEnabled */ false);
binding.Name = MetadataStrings.MetadataExchangeStrings.HttpBindingName;
binding.Namespace = MetadataStrings.MetadataExchangeStrings.BindingNamespace;
return binding;
}
static WSHttpBinding CreateHttpsBinding()
{
WSHttpBinding binding = new WSHttpBinding(
new WSHttpSecurity(SecurityMode.Transport, new HttpTransportSecurity(), new NonDualMessageSecurityOverHttp()), /* reliableSessionEnabled */ false);
binding.Name = MetadataStrings.MetadataExchangeStrings.HttpsBindingName;
binding.Namespace = MetadataStrings.MetadataExchangeStrings.BindingNamespace;
return binding;
}
static CustomBinding CreateHttpGetBinding()
{
return CreateGetBinding(new HttpTransportBindingElement());
}
static CustomBinding CreateHttpsGetBinding()
{
return CreateGetBinding(new HttpsTransportBindingElement());
}
static CustomBinding CreateGetBinding(HttpTransportBindingElement httpTransport)
{
TextMessageEncodingBindingElement textEncoding = new TextMessageEncodingBindingElement();
textEncoding.MessageVersion = MessageVersion.None;
httpTransport.Method = "GET";
httpTransport.InheritBaseAddressSettings = true;
return new CustomBinding(textEncoding, httpTransport);
}
static CustomBinding CreateTcpBinding()
{
CustomBinding binding = new CustomBinding(MetadataStrings.MetadataExchangeStrings.TcpBindingName, MetadataStrings.MetadataExchangeStrings.BindingNamespace);
TcpTransportBindingElement tcpTransport = new TcpTransportBindingElement();
binding.Elements.Add(tcpTransport);
return binding;
}
static CustomBinding CreateNamedPipeBinding()
{
CustomBinding binding = new CustomBinding(MetadataStrings.MetadataExchangeStrings.NamedPipeBindingName, MetadataStrings.MetadataExchangeStrings.BindingNamespace);
NamedPipeTransportBindingElement pipeTransport = new NamedPipeTransportBindingElement();
binding.Elements.Add(pipeTransport);
return binding;
}
internal static bool IsSchemeSupported(string scheme)
{
Binding binding;
return TryGetBindingForScheme(scheme, out binding);
}
}
}
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