DataContractSerializerOperationBehavior.cs source code in C# .NET

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                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Description / DataContractSerializerOperationBehavior.cs / 2 / DataContractSerializerOperationBehavior.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 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; 

        public DataContractFormatAttribute DataContractFormatAttribute 
        {
            get { return 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 virtual XmlObjectSerializer CreateSerializer(Type type, string name, string ns, IList knownTypes)
        { 
            return new DataContractSerializer(type, name, ns, knownTypes, MaxItemsInObjectGraph, IgnoreExtensionDataObject, false /*preserveObjectReferences*/, DataContractSurrogate);
        } 
 
        public virtual XmlObjectSerializer CreateSerializer(Type type, XmlDictionaryString name, XmlDictionaryString ns, IList knownTypes)
        { 
            return new DataContractSerializer(type, name, ns, knownTypes, MaxItemsInObjectGraph, IgnoreExtensionDataObject, false /*preserveObjectReferences*/, DataContractSurrogate);
        }

        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(); 
        } 

    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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DataContractSerializerOperationBehavior.cs source code in C# .NET

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