//
// MessageEncodingBindingElementImporter.cs
//
// Author:
//       Martin Baulig <martin.baulig@xamarin.com>
//
// Copyright (c) 2012 Xamarin Inc. (http://www.xamarin.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.Collections.Generic;
using System.Collections.ObjectModel;
using System.ServiceModel;
using System.ServiceModel.Description;
using System.Text;
using System.Web.Services.Description;
using System.Xml;
using System.Xml.Schema;

namespace System.ServiceModel.Channels
{
	public class MessageEncodingBindingElementImporter
		: IWsdlImportExtension, IPolicyImportExtension
	{
		void IWsdlImportExtension.BeforeImport (
			ServiceDescriptionCollection wsdlDocuments,
			XmlSchemaSet xmlSchemas,
			ICollection<XmlElement> policy)
		{
		}

		void IWsdlImportExtension.ImportContract (WsdlImporter importer,
			WsdlContractConversionContext context)
		{
		}

		void IWsdlImportExtension.ImportEndpoint (WsdlImporter importer,
			WsdlEndpointConversionContext context)
		{
		}

		void IPolicyImportExtension.ImportPolicy (MetadataImporter importer,
			PolicyConversionContext context)
		{
			var assertions = context.GetBindingAssertions ();

			var mtom = PolicyImportHelper.GetMtomMessageEncodingPolicy (assertions);
			if (mtom != null) {
				// http://www.w3.org/Submission/WS-MTOMPolicy/
				context.BindingElements.Add (new MtomMessageEncodingBindingElement ());
				return;
			}

			var binary = PolicyImportHelper.GetBinaryMessageEncodingPolicy (assertions);
			if (binary != null) {
				context.BindingElements.Add (new BinaryMessageEncodingBindingElement ());
				return;
			}

			context.BindingElements.Add (new TextMessageEncodingBindingElement ());
		}
	}
}