Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Dispatcher / FaultFormatter.cs / 3 / FaultFormatter.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Text; using System.ServiceModel.Channels; using System.ServiceModel.Description; using System.Runtime.Serialization; using System.Xml; using System.Reflection; using System.Diagnostics; namespace System.ServiceModel.Dispatcher { class FaultFormatter: IClientFaultFormatter, IDispatchFaultFormatter { FaultContractInfo[] faultContractInfos; internal FaultFormatter(Type[] detailTypes) { ListfaultContractInfoList = new List (); for (int i = 0; i < detailTypes.Length; i++) faultContractInfoList.Add(new FaultContractInfo(MessageHeaders.WildcardAction, detailTypes[i])); AddInfrastructureFaults(faultContractInfoList); faultContractInfos = GetSortedArray(faultContractInfoList); } internal FaultFormatter(SynchronizedCollection faultContractInfoCollection) { List faultContractInfoList; lock (faultContractInfoCollection.SyncRoot) { faultContractInfoList = new List (faultContractInfoCollection); } AddInfrastructureFaults(faultContractInfoList); this.faultContractInfos = GetSortedArray(faultContractInfoList); } public MessageFault Serialize(FaultException faultException, out string action) { XmlObjectSerializer serializer = null; Type detailType = null; string faultExceptionAction = action = faultException.Action; Type faultExceptionOfT = null; for (Type faultType = faultException.GetType(); faultType != typeof(FaultException); faultType = faultType.BaseType) { if (faultType.IsGenericType && (faultType.GetGenericTypeDefinition() == typeof(FaultException<>))) { faultExceptionOfT = faultType; break; } } if (faultExceptionOfT != null) { detailType = faultExceptionOfT.GetGenericArguments()[0]; serializer = GetSerializer(detailType, faultExceptionAction, out action); } return CreateMessageFault(serializer, faultException, detailType); } public FaultException Deserialize(MessageFault messageFault, string action) { if (!messageFault.HasDetail) return new FaultException(messageFault, action); return CreateFaultException(messageFault, action); } protected virtual XmlObjectSerializer GetSerializer(Type detailType, string faultExceptionAction, out string action) { action = faultExceptionAction; FaultContractInfo faultInfo = null; for (int i = 0; i < faultContractInfos.Length; i++) { if (faultContractInfos[i].Detail == detailType) { faultInfo = faultContractInfos[i]; break; } } if (faultInfo != null) { if (action == null) action = faultInfo.Action; return faultInfo.Serializer; } else return DataContractSerializerDefaults.CreateSerializer(detailType, int.MaxValue /* maxItemsInObjectGraph */ ); } protected virtual FaultException CreateFaultException(MessageFault messageFault, string action) { IList faultInfos; if (action != null) { faultInfos = new List (); for (int i = 0; i < faultContractInfos.Length; i++) { if (faultContractInfos[i].Action == action || faultContractInfos[i].Action == MessageHeaders.WildcardAction) { faultInfos.Add(faultContractInfos[i]); } } } else { faultInfos = faultContractInfos; } Type detailType = null; object detailObj = null; for (int i = 0; i < faultInfos.Count; i++) { FaultContractInfo faultInfo = faultInfos[i]; XmlDictionaryReader detailReader = messageFault.GetReaderAtDetailContents(); XmlObjectSerializer serializer = faultInfo.Serializer; if (serializer.IsStartObject(detailReader)) { detailType = faultInfo.Detail; try { detailObj = serializer.ReadObject(detailReader); FaultException faultException = CreateFaultException(messageFault, action, detailObj, detailType, detailReader); if (faultException != null) return faultException; } catch (SerializationException) { } } } return new FaultException(messageFault, action); } protected FaultException CreateFaultException(MessageFault messageFault, string action, object detailObj, Type detailType, XmlDictionaryReader detailReader) { if (!detailReader.EOF) { detailReader.MoveToContent(); if (detailReader.NodeType != XmlNodeType.EndElement && !detailReader.EOF) throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString(SR.ExtraContentIsPresentInFaultDetail))); } bool isDetailObjectValid = true; if (detailObj == null) { isDetailObjectValid = !detailType.IsValueType; } else { isDetailObjectValid = detailType.IsAssignableFrom(detailObj.GetType()); } if (isDetailObjectValid) { Type knownFaultType = typeof(FaultException<>).MakeGenericType(detailType); return (FaultException)Activator.CreateInstance(knownFaultType, detailObj, messageFault.Reason, messageFault.Code, action); } return null; } static FaultContractInfo[] GetSortedArray(List faultContractInfoList) { FaultContractInfo[] temp = faultContractInfoList.ToArray(); Array.Sort (temp, delegate(FaultContractInfo x, FaultContractInfo y) { return string.CompareOrdinal(x.Action, y.Action); } ); return temp; } static void AddInfrastructureFaults(List faultContractInfos) { faultContractInfos.Add(new FaultContractInfo(FaultCodeConstants.Actions.NetDispatcher, typeof(ExceptionDetail))); } static MessageFault CreateMessageFault(XmlObjectSerializer serializer, FaultException faultException, Type detailType) { if (detailType == null) { if (faultException.Fault != null) return faultException.Fault; return MessageFault.CreateFault(faultException.Code, faultException.Reason); } Debug.Assert(serializer != null); Type operationFaultType = typeof(OperationFault<>).MakeGenericType(detailType); return (MessageFault)Activator.CreateInstance(operationFaultType, serializer, faultException); } internal class OperationFault : XmlObjectSerializerFault { public OperationFault(XmlObjectSerializer serializer, FaultException faultException): base(faultException.Code, faultException.Reason, faultException.Detail, serializer, string.Empty/*actor*/, string.Empty/*node*/) { } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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