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//
// XmlMessagesFormatter.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
// Eyal Alaluf <eyala@mainsoft.com>
//
// Copyright (C) 2005-2010 Novell, Inc. http://www.novell.com
// Copyright (C) 2008 Mainsoft Co. http://www.mainsoft.com
// Copyright (C) 2011 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.Linq;
using System.Reflection;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.ServiceModel.Description;
using System.Text;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
namespace System.ServiceModel.Dispatcher
{
class XmlMessagesFormatter : BaseMessagesFormatter
{
XmlSerializerFormatAttribute attr;
Dictionary<MessageBodyDescription,XmlSerializer> bodySerializers
= new Dictionary<MessageBodyDescription,XmlSerializer> ();
public XmlMessagesFormatter (OperationDescription desc, XmlSerializerFormatAttribute attr)
: base (desc)
{
this.attr = attr;
}
public XmlMessagesFormatter (MessageDescriptionCollection messages, XmlSerializerFormatAttribute attr)
: base (messages)
{
this.attr = attr;
}
private XmlReflectionMember CreateReflectionMember (MessagePartDescription partDesc, bool isReturnValue)
{
XmlReflectionMember m = new XmlReflectionMember ();
m.IsReturnValue = isReturnValue;
m.MemberName = partDesc.Name;
m.MemberType = partDesc.Type;
m.XmlAttributes = partDesc.MemberInfo == null ? new XmlAttributes () : new XmlAttributes (partDesc.MemberInfo);
return m;
}
protected override Message PartsToMessage (
MessageDescription md, MessageVersion version, string action, object [] parts)
{
return Message.CreateMessage (version, action, new XmlBodyWriter (GetSerializer (md.Body), parts));
}
protected override object [] MessageToParts (MessageDescription md, Message message)
{
if (message.IsEmpty)
return null;
XmlDictionaryReader r = message.GetReaderAtBodyContents ();
return (object []) GetSerializer (md.Body).Deserialize (r);
}
protected override Dictionary<MessageHeaderDescription,object> MessageToHeaderObjects (MessageDescription md, Message message)
{
// FIXME: do we need header serializers?
return null;
}
XmlSerializer GetSerializer (MessageBodyDescription desc)
{
if (bodySerializers.ContainsKey (desc))
return bodySerializers [desc];
int count = desc.Parts.Count + (HasReturnValue (desc) ? 1 : 0);
XmlReflectionMember [] members = new XmlReflectionMember [count];
int ind = 0;
if (HasReturnValue (desc))
members [ind++] = CreateReflectionMember (desc.ReturnValue, true);
foreach (MessagePartDescription partDesc in desc.Parts)
members [ind++] = CreateReflectionMember (partDesc, false);
XmlReflectionImporter xmlImporter = new XmlReflectionImporter ();
// Register known types into xmlImporter.
foreach (var type in OperationKnownTypes)
xmlImporter.IncludeType (type);
XmlMembersMapping [] partsMapping = new XmlMembersMapping [1];
partsMapping [0] = xmlImporter.ImportMembersMapping (desc.WrapperName, desc.WrapperNamespace, members, desc.WrapperName != null);
bodySerializers [desc] = XmlSerializer.FromMappings (partsMapping) [0];
return bodySerializers [desc];
}
class XmlBodyWriter : BodyWriter
{
XmlSerializer serializer;
object body;
public XmlBodyWriter (XmlSerializer serializer, object parts)
: base (false)
{
this.serializer = serializer;
this.body = parts;
}
protected override BodyWriter OnCreateBufferedCopy (int maxBufferSize)
{
return new XmlBodyWriter (serializer, body);
}
protected override void OnWriteBodyContents (XmlDictionaryWriter writer)
{
if (writer.WriteState == WriteState.Element) {
writer.WriteXmlnsAttribute ("xsi", XmlSchema.InstanceNamespace);
writer.WriteXmlnsAttribute ("xsd", XmlSchema.Namespace);
}
serializer.Serialize (writer, body);
}
}
}
}
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