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//
// WebScriptServiceHostFactory.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2008,2009 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Reflection;
using System.ServiceModel;
using System.ServiceModel.Description;
using System.ServiceModel.Web;
using System.Text;
namespace System.ServiceModel.Activation
{
public class WebScriptServiceHostFactory : ServiceHostFactory
{
public WebScriptServiceHostFactory ()
{
ContractDescriptionGenerator.RegisterGetOperationContractAttributeExtender (WebAttributesOCEExtender);
}
static bool WebAttributesOCEExtender (MethodBase method, object[] customAttributes, ref OperationContractAttribute oca)
{
int caLength = customAttributes == null ? 0 : customAttributes.Length;
if (method == null && caLength == 0)
return false;
if (caLength == 0) {
customAttributes = method.GetCustomAttributes (false);
if (customAttributes.Length == 0)
return false;
}
bool foundWebAttribute = false;
foreach (object o in customAttributes) {
if (o is WebInvokeAttribute || o is WebGetAttribute) {
foundWebAttribute = true;
break;
}
}
if (!foundWebAttribute)
return false;
// LAMESPEC: .NET allows for contract methods decorated only with
// Web{Get,Invoke}Attribute and _without_ the OperationContractAttribute.
if (oca == null)
oca = new OperationContractAttribute ();
return true;
}
protected override ServiceHost CreateServiceHost (Type serviceType, Uri [] baseAddresses)
{
if (serviceType == null)
throw new ArgumentNullException ("serviceType");
return new WebScriptServiceHost (serviceType, baseAddresses);
}
class WebScriptServiceHost : ServiceHost
{
public WebScriptServiceHost (Type serviceType, params Uri [] baseAddresses)
: base (serviceType, baseAddresses)
{
if (serviceType == null)
throw new ArgumentNullException ("serviceType");
}
#if false
protected override void ApplyConfiguration ()
{
base.ApplyConfiguration ();
if (Description.Endpoints.Count > 1)
throw new InvalidOperationException ("This service host factory does not allow custom endpoint configuration");
if (ServiceHostingEnvironment.AspNetCompatibilityEnabled) {
foreach (Type iface in Description.ServiceType.GetInterfaces ())
if (iface.GetCustomAttributes (typeof (ServiceContractAttribute), true).Length > 0)
AddServiceEndpoint (iface, new WebHttpBinding (), new Uri (String.Empty, UriKind.Relative));
}
}
#endif
protected override void OnOpening ()
{
base.OnOpening ();
if (Description.Endpoints.Count == 0) {
if (ImplementedContracts.Count > 1)
throw new InvalidOperationException ("WebScriptServiceHostFactory does not allow more than one service contract in the service type");
foreach (var pair in ImplementedContracts) // actually one
AddServiceEndpoint (pair.Key, new WebHttpBinding (), new Uri (String.Empty, UriKind.Relative));
}
foreach (ServiceEndpoint se in Description.Endpoints)
if (se.Behaviors.Find<WebHttpBehavior> () == null)
se.Behaviors.Insert (0, new WebScriptEnablingBehavior ());
}
}
}
}
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