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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Description
{
using System;
using System.ServiceModel.Channels;
using System.ServiceModel.Dispatcher;
using System.IO;
using System.ServiceModel;
using System.Runtime.Serialization;
using System.Collections.Generic;
using System.Xml;
public class DataContractSerializerOperationBehavior : IOperationBehavior, IWsdlExportExtension
{
readonly bool builtInOperationBehavior;
OperationDescription operation;
DataContractFormatAttribute dataContractFormatAttribute;
internal bool ignoreExtensionDataObject = DataContractSerializerDefaults.IgnoreExtensionDataObject;
bool ignoreExtensionDataObjectSetExplicit;
internal int maxItemsInObjectGraph = DataContractSerializerDefaults.MaxItemsInObjectGraph;
bool maxItemsInObjectGraphSetExplicit;
IDataContractSurrogate dataContractSurrogate;
DataContractResolver dataContractResolver;
public DataContractFormatAttribute DataContractFormatAttribute
{
get { return this.dataContractFormatAttribute; }
}
public DataContractSerializerOperationBehavior(OperationDescription operation)
: this(operation, null)
{
}
public DataContractSerializerOperationBehavior(OperationDescription operation, DataContractFormatAttribute dataContractFormatAttribute)
{
this.dataContractFormatAttribute = dataContractFormatAttribute ?? new DataContractFormatAttribute();
this.operation = operation;
}
internal DataContractSerializerOperationBehavior(OperationDescription operation,
DataContractFormatAttribute dataContractFormatAttribute, bool builtInOperationBehavior)
: this(operation, dataContractFormatAttribute)
{
this.builtInOperationBehavior = builtInOperationBehavior;
}
internal bool IsBuiltInOperationBehavior
{
get { return this.builtInOperationBehavior; }
}
public int MaxItemsInObjectGraph
{
get { return maxItemsInObjectGraph; }
set
{
maxItemsInObjectGraph = value;
maxItemsInObjectGraphSetExplicit = true;
}
}
internal bool MaxItemsInObjectGraphSetExplicit
{
get { return maxItemsInObjectGraphSetExplicit; }
set { maxItemsInObjectGraphSetExplicit = value; }
}
public bool IgnoreExtensionDataObject
{
get { return ignoreExtensionDataObject; }
set
{
ignoreExtensionDataObject = value;
ignoreExtensionDataObjectSetExplicit = true;
}
}
internal bool IgnoreExtensionDataObjectSetExplicit
{
get { return ignoreExtensionDataObjectSetExplicit; }
set { ignoreExtensionDataObjectSetExplicit = value; }
}
public IDataContractSurrogate DataContractSurrogate
{
get { return dataContractSurrogate; }
set { dataContractSurrogate = value; }
}
public DataContractResolver DataContractResolver
{
get { return dataContractResolver; }
set { dataContractResolver = value; }
}
public virtual XmlObjectSerializer CreateSerializer(Type type, string name, string ns, IList<Type> knownTypes)
{
return new DataContractSerializer(type, name, ns, knownTypes, MaxItemsInObjectGraph, IgnoreExtensionDataObject, false /*preserveObjectReferences*/, DataContractSurrogate, DataContractResolver);
}
public virtual XmlObjectSerializer CreateSerializer(Type type, XmlDictionaryString name, XmlDictionaryString ns, IList<Type> knownTypes)
{
return new DataContractSerializer(type, name, ns, knownTypes, MaxItemsInObjectGraph, IgnoreExtensionDataObject, false /*preserveObjectReferences*/, DataContractSurrogate, DataContractResolver);
}
internal object GetFormatter(OperationDescription operation, out bool formatRequest, out bool formatReply, bool isProxy)
{
MessageDescription request = operation.Messages[0];
MessageDescription response = null;
if (operation.Messages.Count == 2)
response = operation.Messages[1];
formatRequest = (request != null) && !request.IsUntypedMessage;
formatReply = (response != null) && !response.IsUntypedMessage;
if (formatRequest || formatReply)
{
if (PrimitiveOperationFormatter.IsContractSupported(operation))
return new PrimitiveOperationFormatter(operation, dataContractFormatAttribute.Style == OperationFormatStyle.Rpc);
else
return new DataContractSerializerOperationFormatter(operation, dataContractFormatAttribute, this);
}
return null;
}
void IOperationBehavior.Validate(OperationDescription description)
{
}
void IOperationBehavior.AddBindingParameters(OperationDescription description, BindingParameterCollection parameters)
{
}
void IOperationBehavior.ApplyDispatchBehavior(OperationDescription description, DispatchOperation dispatch)
{
if (description == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("description");
if (dispatch == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("dispatch");
if (dispatch.Formatter != null)
return;
bool formatRequest;
bool formatReply;
dispatch.Formatter = (IDispatchMessageFormatter)GetFormatter(description, out formatRequest, out formatReply, false);
dispatch.DeserializeRequest = formatRequest;
dispatch.SerializeReply = formatReply;
}
void IOperationBehavior.ApplyClientBehavior(OperationDescription description, ClientOperation proxy)
{
if (description == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("description");
if (proxy == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("proxy");
if (proxy.Formatter != null)
return;
bool formatRequest;
bool formatReply;
proxy.Formatter = (IClientMessageFormatter)GetFormatter(description, out formatRequest, out formatReply, true);
proxy.SerializeRequest = formatRequest;
proxy.DeserializeReply = formatReply;
}
void IWsdlExportExtension.ExportEndpoint(WsdlExporter exporter, WsdlEndpointConversionContext endpointContext)
{
if (exporter == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("exporter");
if (endpointContext == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("endpointContext");
MessageContractExporter.ExportMessageBinding(exporter, endpointContext, typeof(DataContractSerializerMessageContractExporter), this.operation);
}
void IWsdlExportExtension.ExportContract(WsdlExporter exporter, WsdlContractConversionContext contractContext)
{
if (exporter == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("exporter");
if (contractContext == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("contractContext");
new DataContractSerializerMessageContractExporter(exporter, contractContext, this.operation, this).ExportMessageContract();
}
}
}
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