531 lines
23 KiB
C#
531 lines
23 KiB
C#
//------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------
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namespace System.Runtime.Serialization
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{
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using System;
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using System.Xml;
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using System.Xml.Schema;
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using System.Collections;
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using System.Collections.Generic;
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using System.Reflection;
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using DataContractDictionary = System.Collections.Generic.Dictionary<System.Xml.XmlQualifiedName, DataContract>;
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using System.Text;
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internal class DataContractSet
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{
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Dictionary<XmlQualifiedName, DataContract> contracts;
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Dictionary<DataContract, object> processedContracts;
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IDataContractSurrogate dataContractSurrogate;
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Hashtable surrogateDataTable;
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DataContractDictionary knownTypesForObject;
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ICollection<Type> referencedTypes;
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ICollection<Type> referencedCollectionTypes;
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Dictionary<XmlQualifiedName, object> referencedTypesDictionary;
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Dictionary<XmlQualifiedName, object> referencedCollectionTypesDictionary;
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internal DataContractSet(IDataContractSurrogate dataContractSurrogate) : this(dataContractSurrogate, null, null) { }
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internal DataContractSet(IDataContractSurrogate dataContractSurrogate, ICollection<Type> referencedTypes, ICollection<Type> referencedCollectionTypes)
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{
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this.dataContractSurrogate = dataContractSurrogate;
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this.referencedTypes = referencedTypes;
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this.referencedCollectionTypes = referencedCollectionTypes;
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}
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internal DataContractSet(DataContractSet dataContractSet)
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{
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if (dataContractSet == null)
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("dataContractSet"));
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this.dataContractSurrogate = dataContractSet.dataContractSurrogate;
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this.referencedTypes = dataContractSet.referencedTypes;
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this.referencedCollectionTypes = dataContractSet.referencedCollectionTypes;
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foreach (KeyValuePair<XmlQualifiedName, DataContract> pair in dataContractSet)
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{
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Add(pair.Key, pair.Value);
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}
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if (dataContractSet.processedContracts != null)
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{
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foreach (KeyValuePair<DataContract, object> pair in dataContractSet.processedContracts)
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{
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ProcessedContracts.Add(pair.Key, pair.Value);
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}
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}
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}
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Dictionary<XmlQualifiedName, DataContract> Contracts
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{
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get
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{
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if (contracts == null)
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{
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contracts = new Dictionary<XmlQualifiedName, DataContract>();
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}
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return contracts;
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}
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}
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Dictionary<DataContract, object> ProcessedContracts
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{
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get
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{
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if (processedContracts == null)
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{
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processedContracts = new Dictionary<DataContract, object>();
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}
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return processedContracts;
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}
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}
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Hashtable SurrogateDataTable
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{
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get
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{
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if (surrogateDataTable == null)
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surrogateDataTable = new Hashtable();
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return surrogateDataTable;
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}
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}
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internal DataContractDictionary KnownTypesForObject
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{
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get { return knownTypesForObject; }
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set { knownTypesForObject = value; }
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}
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internal void Add(Type type)
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{
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DataContract dataContract = GetDataContract(type);
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EnsureTypeNotGeneric(dataContract.UnderlyingType);
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Add(dataContract);
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}
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internal static void EnsureTypeNotGeneric(Type type)
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{
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if (type.ContainsGenericParameters)
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataContractException(SR.GetString(SR.GenericTypeNotExportable, type)));
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}
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void Add(DataContract dataContract)
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{
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Add(dataContract.StableName, dataContract);
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}
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public void Add(XmlQualifiedName name, DataContract dataContract)
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{
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if (dataContract.IsBuiltInDataContract)
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return;
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InternalAdd(name, dataContract);
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}
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internal void InternalAdd(XmlQualifiedName name, DataContract dataContract)
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{
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DataContract dataContractInSet = null;
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if (Contracts.TryGetValue(name, out dataContractInSet))
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{
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if (!dataContractInSet.Equals(dataContract))
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{
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if (dataContract.UnderlyingType == null || dataContractInSet.UnderlyingType == null)
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.DupContractInDataContractSet, dataContract.StableName.Name, dataContract.StableName.Namespace)));
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else
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{
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bool typeNamesEqual = (DataContract.GetClrTypeFullName(dataContract.UnderlyingType) == DataContract.GetClrTypeFullName(dataContractInSet.UnderlyingType));
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.DupTypeContractInDataContractSet, (typeNamesEqual ? dataContract.UnderlyingType.AssemblyQualifiedName : DataContract.GetClrTypeFullName(dataContract.UnderlyingType)), (typeNamesEqual ? dataContractInSet.UnderlyingType.AssemblyQualifiedName : DataContract.GetClrTypeFullName(dataContractInSet.UnderlyingType)), dataContract.StableName.Name, dataContract.StableName.Namespace)));
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}
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}
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}
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else
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{
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Contracts.Add(name, dataContract);
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if (dataContract is ClassDataContract)
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{
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AddClassDataContract((ClassDataContract)dataContract);
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}
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else if (dataContract is CollectionDataContract)
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{
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AddCollectionDataContract((CollectionDataContract)dataContract);
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}
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else if (dataContract is XmlDataContract)
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{
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AddXmlDataContract((XmlDataContract)dataContract);
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}
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}
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}
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void AddClassDataContract(ClassDataContract classDataContract)
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{
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if (classDataContract.BaseContract != null)
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{
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Add(classDataContract.BaseContract.StableName, classDataContract.BaseContract);
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}
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if (!classDataContract.IsISerializable)
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{
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if (classDataContract.Members != null)
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{
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for (int i = 0; i < classDataContract.Members.Count; i++)
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{
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DataMember dataMember = classDataContract.Members[i];
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DataContract memberDataContract = GetMemberTypeDataContract(dataMember);
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if (dataContractSurrogate != null && dataMember.MemberInfo != null)
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{
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object customData = DataContractSurrogateCaller.GetCustomDataToExport(
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dataContractSurrogate,
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dataMember.MemberInfo,
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memberDataContract.UnderlyingType);
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if (customData != null)
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SurrogateDataTable.Add(dataMember, customData);
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}
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Add(memberDataContract.StableName, memberDataContract);
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}
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}
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}
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AddKnownDataContracts(classDataContract.KnownDataContracts);
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}
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void AddCollectionDataContract(CollectionDataContract collectionDataContract)
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{
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if (collectionDataContract.IsDictionary)
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{
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ClassDataContract keyValueContract = collectionDataContract.ItemContract as ClassDataContract;
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AddClassDataContract(keyValueContract);
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}
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else
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{
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DataContract itemContract = GetItemTypeDataContract(collectionDataContract);
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if (itemContract != null)
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Add(itemContract.StableName, itemContract);
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}
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AddKnownDataContracts(collectionDataContract.KnownDataContracts);
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}
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void AddXmlDataContract(XmlDataContract xmlDataContract)
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{
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AddKnownDataContracts(xmlDataContract.KnownDataContracts);
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}
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void AddKnownDataContracts(DataContractDictionary knownDataContracts)
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{
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if (knownDataContracts != null)
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{
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foreach (DataContract knownDataContract in knownDataContracts.Values)
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{
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Add(knownDataContract);
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}
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}
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}
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internal XmlQualifiedName GetStableName(Type clrType)
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{
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if (dataContractSurrogate != null)
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{
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Type dcType = DataContractSurrogateCaller.GetDataContractType(dataContractSurrogate, clrType);
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//if (clrType.IsValueType != dcType.IsValueType)
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// throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataContractException(SR.GetString(SR.ValueTypeMismatchInSurrogatedType, dcType, clrType)));
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return DataContract.GetStableName(dcType);
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}
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return DataContract.GetStableName(clrType);
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}
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internal DataContract GetDataContract(Type clrType)
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{
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if (dataContractSurrogate == null)
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return DataContract.GetDataContract(clrType);
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DataContract dataContract = DataContract.GetBuiltInDataContract(clrType);
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if (dataContract != null)
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return dataContract;
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Type dcType = DataContractSurrogateCaller.GetDataContractType(dataContractSurrogate, clrType);
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//if (clrType.IsValueType != dcType.IsValueType)
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// throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataContractException(SR.GetString(SR.ValueTypeMismatchInSurrogatedType, dcType, clrType)));
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dataContract = DataContract.GetDataContract(dcType);
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if (!SurrogateDataTable.Contains(dataContract))
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{
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object customData = DataContractSurrogateCaller.GetCustomDataToExport(
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dataContractSurrogate, clrType, dcType);
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if (customData != null)
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SurrogateDataTable.Add(dataContract, customData);
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}
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return dataContract;
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}
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internal DataContract GetMemberTypeDataContract(DataMember dataMember)
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{
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if (dataMember.MemberInfo != null)
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{
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Type dataMemberType = dataMember.MemberType;
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if (dataMember.IsGetOnlyCollection)
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{
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if (dataContractSurrogate != null)
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{
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Type dcType = DataContractSurrogateCaller.GetDataContractType(dataContractSurrogate, dataMemberType);
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if (dcType != dataMemberType)
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{
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataContractException(SR.GetString(SR.SurrogatesWithGetOnlyCollectionsNotSupported,
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DataContract.GetClrTypeFullName(dataMemberType), DataContract.GetClrTypeFullName(dataMember.MemberInfo.DeclaringType), dataMember.MemberInfo.Name)));
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}
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}
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return DataContract.GetGetOnlyCollectionDataContract(DataContract.GetId(dataMemberType.TypeHandle), dataMemberType.TypeHandle, dataMemberType, SerializationMode.SharedContract);
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}
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else
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{
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return GetDataContract(dataMemberType);
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}
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}
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return dataMember.MemberTypeContract;
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}
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internal DataContract GetItemTypeDataContract(CollectionDataContract collectionContract)
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{
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if (collectionContract.ItemType != null)
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return GetDataContract(collectionContract.ItemType);
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return collectionContract.ItemContract;
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}
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internal object GetSurrogateData(object key)
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{
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return SurrogateDataTable[key];
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}
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internal void SetSurrogateData(object key, object surrogateData)
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{
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SurrogateDataTable[key] = surrogateData;
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}
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public DataContract this[XmlQualifiedName key]
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{
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get
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{
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DataContract dataContract = DataContract.GetBuiltInDataContract(key.Name, key.Namespace);
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if (dataContract == null)
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{
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Contracts.TryGetValue(key, out dataContract);
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}
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return dataContract;
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}
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}
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public IDataContractSurrogate DataContractSurrogate
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{
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get { return dataContractSurrogate; }
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}
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public bool Remove(XmlQualifiedName key)
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{
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if (DataContract.GetBuiltInDataContract(key.Name, key.Namespace) != null)
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return false;
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return Contracts.Remove(key);
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}
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public IEnumerator<KeyValuePair<XmlQualifiedName, DataContract>> GetEnumerator()
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{
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return Contracts.GetEnumerator();
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}
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internal bool IsContractProcessed(DataContract dataContract)
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{
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return ProcessedContracts.ContainsKey(dataContract);
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}
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internal void SetContractProcessed(DataContract dataContract)
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{
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ProcessedContracts.Add(dataContract, dataContract);
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}
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#if !NO_CODEDOM
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internal ContractCodeDomInfo GetContractCodeDomInfo(DataContract dataContract)
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{
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object info;
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if (ProcessedContracts.TryGetValue(dataContract, out info))
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return (ContractCodeDomInfo)info;
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return null;
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}
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internal void SetContractCodeDomInfo(DataContract dataContract, ContractCodeDomInfo info)
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{
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ProcessedContracts.Add(dataContract, info);
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}
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#endif
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Dictionary<XmlQualifiedName, object> GetReferencedTypes()
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{
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if (referencedTypesDictionary == null)
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{
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referencedTypesDictionary = new Dictionary<XmlQualifiedName, object>();
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//Always include Nullable as referenced type
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//Do not allow surrogating Nullable<T>
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referencedTypesDictionary.Add(DataContract.GetStableName(Globals.TypeOfNullable), Globals.TypeOfNullable);
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if (this.referencedTypes != null)
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{
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foreach (Type type in this.referencedTypes)
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{
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if (type == null)
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ReferencedTypesCannotContainNull)));
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AddReferencedType(referencedTypesDictionary, type);
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}
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}
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}
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return referencedTypesDictionary;
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}
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Dictionary<XmlQualifiedName, object> GetReferencedCollectionTypes()
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{
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if (referencedCollectionTypesDictionary == null)
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{
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referencedCollectionTypesDictionary = new Dictionary<XmlQualifiedName, object>();
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if (this.referencedCollectionTypes != null)
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{
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foreach (Type type in this.referencedCollectionTypes)
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{
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if (type == null)
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ReferencedCollectionTypesCannotContainNull)));
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AddReferencedType(referencedCollectionTypesDictionary, type);
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}
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}
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XmlQualifiedName genericDictionaryName = DataContract.GetStableName(Globals.TypeOfDictionaryGeneric);
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if (!referencedCollectionTypesDictionary.ContainsKey(genericDictionaryName) && GetReferencedTypes().ContainsKey(genericDictionaryName))
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AddReferencedType(referencedCollectionTypesDictionary, Globals.TypeOfDictionaryGeneric);
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}
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return referencedCollectionTypesDictionary;
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}
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void AddReferencedType(Dictionary<XmlQualifiedName, object> referencedTypes, Type type)
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{
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if (IsTypeReferenceable(type))
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{
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XmlQualifiedName stableName;
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try
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{
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stableName = this.GetStableName(type);
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}
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catch (InvalidDataContractException)
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{
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// Type not referenceable if we can't get a stable name.
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return;
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}
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catch (InvalidOperationException)
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{
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// Type not referenceable if we can't get a stable name.
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return;
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}
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object value;
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if (referencedTypes.TryGetValue(stableName, out value))
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{
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Type referencedType = value as Type;
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if (referencedType != null)
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{
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if (referencedType != type)
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{
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referencedTypes.Remove(stableName);
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List<Type> types = new List<Type>();
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types.Add(referencedType);
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types.Add(type);
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referencedTypes.Add(stableName, types);
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}
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}
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else
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{
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List<Type> types = (List<Type>)value;
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if (!types.Contains(type))
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types.Add(type);
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}
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}
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else
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referencedTypes.Add(stableName, type);
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}
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}
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internal bool TryGetReferencedType(XmlQualifiedName stableName, DataContract dataContract, out Type type)
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{
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return TryGetReferencedType(stableName, dataContract, false/*useReferencedCollectionTypes*/, out type);
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}
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internal bool TryGetReferencedCollectionType(XmlQualifiedName stableName, DataContract dataContract, out Type type)
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{
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return TryGetReferencedType(stableName, dataContract, true/*useReferencedCollectionTypes*/, out type);
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}
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bool TryGetReferencedType(XmlQualifiedName stableName, DataContract dataContract, bool useReferencedCollectionTypes, out Type type)
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{
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object value;
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Dictionary<XmlQualifiedName, object> referencedTypes = useReferencedCollectionTypes ? GetReferencedCollectionTypes() : GetReferencedTypes();
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if (referencedTypes.TryGetValue(stableName, out value))
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{
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type = value as Type;
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if (type != null)
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return true;
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else
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{
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// Throw ambiguous type match exception
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List<Type> types = (List<Type>)value;
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StringBuilder errorMessage = new StringBuilder();
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bool containsGenericType = false;
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for (int i = 0; i < types.Count; i++)
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{
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Type conflictingType = types[i];
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if (!containsGenericType)
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containsGenericType = conflictingType.IsGenericTypeDefinition;
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errorMessage.AppendFormat("{0}\"{1}\" ", Environment.NewLine, conflictingType.AssemblyQualifiedName);
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if (dataContract != null)
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{
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DataContract other = this.GetDataContract(conflictingType);
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errorMessage.Append(SR.GetString(((other != null && other.Equals(dataContract)) ? SR.ReferencedTypeMatchingMessage : SR.ReferencedTypeNotMatchingMessage)));
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}
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}
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if (containsGenericType)
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{
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(
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(useReferencedCollectionTypes ? SR.AmbiguousReferencedCollectionTypes1 : SR.AmbiguousReferencedTypes1),
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errorMessage.ToString())));
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}
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else
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{
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(
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(useReferencedCollectionTypes ? SR.AmbiguousReferencedCollectionTypes3 : SR.AmbiguousReferencedTypes3),
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XmlConvert.DecodeName(stableName.Name),
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stableName.Namespace,
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errorMessage.ToString())));
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}
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}
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}
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type = null;
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return false;
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}
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static bool IsTypeReferenceable(Type type)
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{
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Type itemType;
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try
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{
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return (type.IsSerializable ||
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type.IsDefined(Globals.TypeOfDataContractAttribute, false) ||
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(Globals.TypeOfIXmlSerializable.IsAssignableFrom(type) && !type.IsGenericTypeDefinition) ||
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CollectionDataContract.IsCollection(type, out itemType) ||
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ClassDataContract.IsNonAttributedTypeValidForSerialization(type));
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}
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catch (Exception ex)
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{
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// An exception can be thrown in the designer when a project has a runtime binding redirection for a referenced assembly or a reference dependent assembly.
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// Type.IsDefined is known to throw System.IO.FileLoadException.
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// ClassDataContract.IsNonAttributedTypeValidForSerialization is known to throw System.IO.FileNotFoundException.
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// We guard against all non-critical exceptions.
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if (Fx.IsFatal(ex))
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{
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throw;
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}
|
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}
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return false;
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}
|
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}
|
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}
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