SilverlightFaultBehavior.cs

Toto je zdrojový kód souboru SilverlightFaultBehavior.cs

Silverlight Fault behavior class.

using System;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.ServiceModel.Dispatcher;
using System.ServiceModel.Description;
using System.ServiceModel.Configuration;

namespace IMP.Shared
{
    /// <summary>
    /// Silverlight Fault behavior
    /// </summary>
    internal class SilverlightFaultBehavior : BehaviorExtensionElement, IEndpointBehavior
    {
        /// <summary>
        /// Implement to pass data at runtime to bindings to support custom behavior.
        /// </summary>
        /// <param name="endpoint">The endpoint to modify.</param>
        /// <param name="endpointDispatcher">The objects that binding elements require to support the behavior.</param>
        public void ApplyDispatchBehavior(ServiceEndpoint endpoint, EndpointDispatcher endpointDispatcher)
        {
            var inspector = new SilverlightFaultMessageInspector();
            endpointDispatcher.DispatchRuntime.MessageInspectors.Add(inspector);
        }

        /// <summary>
        /// Defines the methods that enable custom inspection or modification of inbound and outbound application messages in service applications.
        /// </summary>
        public class SilverlightFaultMessageInspector : IDispatchMessageInspector
        {
            /// <summary>
            /// Called after the operation has returned but before the reply message is sent.
            /// </summary>
            /// <param name="reply">The reply message. This value is null if the operation is one way.</param>
            /// <param name="correlationState">The correlation object returned from the System.ServiceModel.Dispatcher.IDispatchMessageInspector.AfterReceiveRequest(System.ServiceModel.Channels.Message@,System.ServiceModel.IClientChannel,System.ServiceModel.InstanceContext) method.</param>
            public void BeforeSendReply(ref Message reply, object correlationState)
            {
                if (reply.IsFault)
                {
                    HttpResponseMessageProperty property = new HttpResponseMessageProperty();

                    //Here the response code is changed to 200.
                    property.StatusCode = System.Net.HttpStatusCode.OK;
                    reply.Properties[HttpResponseMessageProperty.Name] = property;
                }
            }

            /// <summary>
            /// Called after an inbound message has been received but before the message is dispatched to the intended operation.
            /// </summary>
            /// <param name="request">The request message.</param>
            /// <param name="channel">The incoming channel.</param>
            /// <param name="instanceContext">The current service instance.</param>
            /// <returns>The object used to correlate state. This object is passed back in the System.ServiceModel.Dispatcher.IDispatchMessageInspector.BeforeSendReply(System.ServiceModel.Channels.Message@,System.Object) method.</returns>
            public object AfterReceiveRequest(ref Message request, IClientChannel channel, InstanceContext instanceContext)
            {
                //Do nothing to the incoming message.
                return null;
            }
        }

        //The following methods are stubs and not relevant. 

        /// <summary>
        /// Implement to pass data at runtime to bindings to support custom behavior.
        /// </summary>
        /// <param name="endpoint">The endpoint to modify.</param>
        /// <param name="bindingParameters">The objects that binding elements require to support the behavior.</param>
        public void AddBindingParameters(ServiceEndpoint endpoint, BindingParameterCollection bindingParameters)
        {
        }

        /// <summary>
        /// Implements a modification or extension of the client across an endpoint.
        /// </summary>
        /// <param name="endpoint">The endpoint that is to be customized.</param>
        /// <param name="clientRuntime">The client runtime to be customized.</param>
        public void ApplyClientBehavior(ServiceEndpoint endpoint, ClientRuntime clientRuntime)
        {
        }

        /// <summary>
        /// Implement to confirm that the endpoint meets some intended criteria.
        /// </summary>
        /// <param name="endpoint">The endpoint to validate.</param>
        public void Validate(ServiceEndpoint endpoint)
        {
        }

        /// <summary>
        /// Gets the type of behavior.
        /// </summary>
        public override Type BehaviorType
        {
            get { return typeof(SilverlightFaultBehavior); }
        }

        /// <summary>
        /// Creates a behavior extension based on the current configuration settings.
        /// </summary>
        /// <returns>The behavior extension.</returns>
        protected override object CreateBehavior()
        {
            return new SilverlightFaultBehavior();
        }
    }
}