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//
// WebHttpDispatchOperationSelector.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2008 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.ServiceModel;
using System.ServiceModel.Channels;
using System.ServiceModel.Description;
using System.ServiceModel.Web;
using TemplateTablePair = System.Collections.Generic.KeyValuePair<System.UriTemplate, object>;
namespace System.ServiceModel.Dispatcher
{
public class WebHttpDispatchOperationSelector : IDispatchOperationSelector
{
public const string HttpOperationSelectorUriMatchedPropertyName = "UriMatched";
UriTemplateTable table;
protected WebHttpDispatchOperationSelector ()
{
}
public WebHttpDispatchOperationSelector (ServiceEndpoint endpoint)
{
if (endpoint == null)
throw new ArgumentNullException ("endpoint");
if (endpoint.Address == null)
throw new InvalidOperationException ("EndpointAddress must be set in the argument ServiceEndpoint");
table = new UriTemplateTable (endpoint.Address.Uri);
foreach (OperationDescription od in endpoint.Contract.Operations) {
WebAttributeInfo info = od.GetWebAttributeInfo ();
if (info != null)
table.KeyValuePairs.Add (new TemplateTablePair (info.BuildUriTemplate (od, null), od));
}
}
public string SelectOperation (ref Message message)
{
bool dummy;
return SelectOperation (ref message, out dummy);
}
protected virtual string SelectOperation (ref Message message, out bool uriMatched)
{
if (message == null)
throw new ArgumentNullException ("message");
if (message.Properties.ContainsKey (WebBodyFormatMessageProperty.Name))
throw new ArgumentException ("There is already message property for Web body format");
uriMatched = false;
Uri to = message.Headers.To;
if (to == null)
return String.Empty;
UriTemplateMatch match = table.MatchSingle (to);
OperationDescription od = null;
if (match != null) {
uriMatched = true;
foreach (TemplateTablePair p in table.KeyValuePairs)
if (p.Key == match.Template)
od = p.Value as OperationDescription;
}
return od != null ? od.Name : String.Empty;
}
}
}
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