Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / clr / src / BCL / System / Runtime / Serialization / ObjectCloneHelper.cs / 1 / ObjectCloneHelper.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: ObjectCloneHelper ** ** ** Purpose: Helper methods used by ObjectClone to process ISerializable objects etc ** ** ===========================================================*/ namespace System.Runtime.Serialization { using System.Runtime.Remoting; using System.Runtime.Remoting.Proxies; using System.Runtime.Remoting.Messaging; using System.Runtime.Serialization; using System; using System.Collections; using System.Reflection; using System.Diagnostics; using System.Globalization; internal sealed class ObjectCloneHelper { static IFormatterConverter s_converter = new FormatterConverter(); // Currently object cloner is used only to clone stuff across domains. If its used to clone objects within a domain // the Clone context will need to be created too.. static StreamingContext s_cloneContext = new StreamingContext(StreamingContextStates.CrossAppDomain); static ISerializationSurrogate s_RemotingSurrogate = new RemotingSurrogate(); static ISerializationSurrogate s_ObjRefRemotingSurrogate = new ObjRefSurrogate(); internal static object GetObjectData(object serObj, out string typeName, out string assemName, out string[] fieldNames, out object[] fieldValues) { Type objectType = null; object retObj = null; if (RemotingServices.IsTransparentProxy(serObj)) objectType = typeof(MarshalByRefObject); else objectType = serObj.GetType(); SerializationInfo si = new SerializationInfo(objectType, s_converter); if (serObj is ObjRef) { s_ObjRefRemotingSurrogate.GetObjectData(serObj, si, s_cloneContext); } else if (RemotingServices.IsTransparentProxy(serObj) || serObj is MarshalByRefObject) { // We can only try to smuggle objref's for actual CLR objects // or for RemotingProxy's. if (!RemotingServices.IsTransparentProxy(serObj) || RemotingServices.GetRealProxy(serObj) is RemotingProxy) { ObjRef objRef = RemotingServices.MarshalInternal((MarshalByRefObject)serObj, null, null); if (objRef.CanSmuggle()) { if (RemotingServices.IsTransparentProxy(serObj)) { RealProxy rp = RemotingServices.GetRealProxy(serObj); objRef.SetServerIdentity(rp._srvIdentity); objRef.SetDomainID(rp._domainID); } else { ServerIdentity srvId = (ServerIdentity)MarshalByRefObject.GetIdentity((MarshalByRefObject)serObj); srvId.SetHandle(); objRef.SetServerIdentity(srvId.GetHandle()); objRef.SetDomainID(AppDomain.CurrentDomain.GetId()); } objRef.SetMarshaledObject(); retObj = objRef; } } if (retObj == null) { // Deal with the non-smugglable remoting objects s_RemotingSurrogate.GetObjectData(serObj, si, s_cloneContext); } } else if (serObj is ISerializable) { ((ISerializable)serObj).GetObjectData(si, s_cloneContext); } else { // Getting here means a bug in cloner throw new ArgumentException(Environment.GetResourceString("Arg_SerializationException")); } if (retObj == null) { typeName = si.FullTypeName; assemName = si.AssemblyName; fieldNames = si.MemberNames; fieldValues = si.MemberValues; } else { typeName = null; assemName = null; fieldNames = null; fieldValues = null; } return retObj; } internal static SerializationInfo PrepareConstructorArgs(object serObj, string[] fieldNames, object[] fieldValues, out StreamingContext context) { SerializationInfo si = null; if (serObj is ISerializable) { si = new SerializationInfo(serObj.GetType(), s_converter); for (int i =0; i < fieldNames.Length; i++) { if (fieldNames[i] != null) si.AddValue(fieldNames[i], fieldValues[i]); } } else { // We have a case where the from object was ISerializable and to object is not // @ Hashtable fields = new Hashtable(); int incomingFieldIndex = 0; int numIncomingFields = 0; for (; incomingFieldIndex < fieldNames.Length; incomingFieldIndex++) { if (fieldNames[incomingFieldIndex] != null) { fields[fieldNames[incomingFieldIndex]] = fieldValues[incomingFieldIndex]; numIncomingFields++; } } MemberInfo[] mi = FormatterServices.GetSerializableMembers(serObj.GetType()); for (int index = 0; index < mi.Length; index++) { string fieldName = mi[index].Name; if (!fields.Contains(fieldName)) { // If we are missing a field value then it's not necessarily // the end of the world: check whether the field is marked // [OptionalField]. Object [] attrs = mi[index].GetCustomAttributes(typeof(OptionalFieldAttribute), false); if (attrs == null || attrs.Length == 0) throw new SerializationException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Serialization_MissingMember"), mi[index], serObj.GetType(), typeof(OptionalFieldAttribute).FullName)); continue; } object value = fields[fieldName]; FormatterServices.SerializationSetValue(mi[index], serObj, value); } } context = s_cloneContext; return si; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: ObjectCloneHelper ** ** ** Purpose: Helper methods used by ObjectClone to process ISerializable objects etc ** ** ===========================================================*/ namespace System.Runtime.Serialization { using System.Runtime.Remoting; using System.Runtime.Remoting.Proxies; using System.Runtime.Remoting.Messaging; using System.Runtime.Serialization; using System; using System.Collections; using System.Reflection; using System.Diagnostics; using System.Globalization; internal sealed class ObjectCloneHelper { static IFormatterConverter s_converter = new FormatterConverter(); // Currently object cloner is used only to clone stuff across domains. If its used to clone objects within a domain // the Clone context will need to be created too.. static StreamingContext s_cloneContext = new StreamingContext(StreamingContextStates.CrossAppDomain); static ISerializationSurrogate s_RemotingSurrogate = new RemotingSurrogate(); static ISerializationSurrogate s_ObjRefRemotingSurrogate = new ObjRefSurrogate(); internal static object GetObjectData(object serObj, out string typeName, out string assemName, out string[] fieldNames, out object[] fieldValues) { Type objectType = null; object retObj = null; if (RemotingServices.IsTransparentProxy(serObj)) objectType = typeof(MarshalByRefObject); else objectType = serObj.GetType(); SerializationInfo si = new SerializationInfo(objectType, s_converter); if (serObj is ObjRef) { s_ObjRefRemotingSurrogate.GetObjectData(serObj, si, s_cloneContext); } else if (RemotingServices.IsTransparentProxy(serObj) || serObj is MarshalByRefObject) { // We can only try to smuggle objref's for actual CLR objects // or for RemotingProxy's. if (!RemotingServices.IsTransparentProxy(serObj) || RemotingServices.GetRealProxy(serObj) is RemotingProxy) { ObjRef objRef = RemotingServices.MarshalInternal((MarshalByRefObject)serObj, null, null); if (objRef.CanSmuggle()) { if (RemotingServices.IsTransparentProxy(serObj)) { RealProxy rp = RemotingServices.GetRealProxy(serObj); objRef.SetServerIdentity(rp._srvIdentity); objRef.SetDomainID(rp._domainID); } else { ServerIdentity srvId = (ServerIdentity)MarshalByRefObject.GetIdentity((MarshalByRefObject)serObj); srvId.SetHandle(); objRef.SetServerIdentity(srvId.GetHandle()); objRef.SetDomainID(AppDomain.CurrentDomain.GetId()); } objRef.SetMarshaledObject(); retObj = objRef; } } if (retObj == null) { // Deal with the non-smugglable remoting objects s_RemotingSurrogate.GetObjectData(serObj, si, s_cloneContext); } } else if (serObj is ISerializable) { ((ISerializable)serObj).GetObjectData(si, s_cloneContext); } else { // Getting here means a bug in cloner throw new ArgumentException(Environment.GetResourceString("Arg_SerializationException")); } if (retObj == null) { typeName = si.FullTypeName; assemName = si.AssemblyName; fieldNames = si.MemberNames; fieldValues = si.MemberValues; } else { typeName = null; assemName = null; fieldNames = null; fieldValues = null; } return retObj; } internal static SerializationInfo PrepareConstructorArgs(object serObj, string[] fieldNames, object[] fieldValues, out StreamingContext context) { SerializationInfo si = null; if (serObj is ISerializable) { si = new SerializationInfo(serObj.GetType(), s_converter); for (int i =0; i < fieldNames.Length; i++) { if (fieldNames[i] != null) si.AddValue(fieldNames[i], fieldValues[i]); } } else { // We have a case where the from object was ISerializable and to object is not // @ Hashtable fields = new Hashtable(); int incomingFieldIndex = 0; int numIncomingFields = 0; for (; incomingFieldIndex < fieldNames.Length; incomingFieldIndex++) { if (fieldNames[incomingFieldIndex] != null) { fields[fieldNames[incomingFieldIndex]] = fieldValues[incomingFieldIndex]; numIncomingFields++; } } MemberInfo[] mi = FormatterServices.GetSerializableMembers(serObj.GetType()); for (int index = 0; index < mi.Length; index++) { string fieldName = mi[index].Name; if (!fields.Contains(fieldName)) { // If we are missing a field value then it's not necessarily // the end of the world: check whether the field is marked // [OptionalField]. Object [] attrs = mi[index].GetCustomAttributes(typeof(OptionalFieldAttribute), false); if (attrs == null || attrs.Length == 0) throw new SerializationException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Serialization_MissingMember"), mi[index], serObj.GetType(), typeof(OptionalFieldAttribute).FullName)); continue; } object value = fields[fieldName]; FormatterServices.SerializationSetValue(mi[index], serObj, value); } } context = s_cloneContext; return si; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- DivideByZeroException.cs
- InputScopeManager.cs
- CounterSetInstanceCounterDataSet.cs
- ChtmlTextWriter.cs
- Point3DConverter.cs
- Int64KeyFrameCollection.cs
- ISAPIWorkerRequest.cs
- HiddenFieldPageStatePersister.cs
- QuadraticEase.cs
- AttachedAnnotationChangedEventArgs.cs
- CommentGlyph.cs
- AnimatedTypeHelpers.cs
- ControlBindingsCollection.cs
- ToolStripTextBox.cs
- InheritanceAttribute.cs
- PriorityItem.cs
- XmlQueryContext.cs
- JsonFormatReaderGenerator.cs
- Renderer.cs
- SoapClientProtocol.cs
- AuthStoreRoleProvider.cs
- AssociationEndMember.cs
- LinqToSqlWrapper.cs
- Label.cs
- StructuralComparisons.cs
- WMICapabilities.cs
- RadialGradientBrush.cs
- KoreanCalendar.cs
- TextDecorationCollection.cs
- MergeFailedEvent.cs
- OdbcDataAdapter.cs
- CodeCompiler.cs
- SamlSerializer.cs
- SearchForVirtualItemEventArgs.cs
- DataServiceBuildProvider.cs
- RestClientProxyHandler.cs
- StateElementCollection.cs
- WorkflowItemsPresenter.cs
- DataBindEngine.cs
- AttachedPropertyBrowsableWhenAttributePresentAttribute.cs
- PerSessionInstanceContextProvider.cs
- ReadOnlyCollectionBase.cs
- ConditionChanges.cs
- TextAdaptor.cs
- ProjectionCamera.cs
- URI.cs
- TextTreeNode.cs
- FormViewPagerRow.cs
- SurrogateEncoder.cs
- EdgeProfileValidation.cs
- WindowsTreeView.cs
- ScrollBar.cs
- SpecialFolderEnumConverter.cs
- PreProcessInputEventArgs.cs
- Activity.cs
- SystemIPv6InterfaceProperties.cs
- WebSysDescriptionAttribute.cs
- SchemaImporterExtensionsSection.cs
- sqlmetadatafactory.cs
- FreeFormDesigner.cs
- DataListItem.cs
- APCustomTypeDescriptor.cs
- TypeUtil.cs
- WaitHandleCannotBeOpenedException.cs
- XmlSchemaExternal.cs
- ByteAnimationUsingKeyFrames.cs
- InvalidOleVariantTypeException.cs
- StackOverflowException.cs
- SspiNegotiationTokenProviderState.cs
- documentsequencetextpointer.cs
- XmlElementList.cs
- QueryOptionExpression.cs
- ProjectionPruner.cs
- Encoder.cs
- NavigationPropertyAccessor.cs
- ColumnReorderedEventArgs.cs
- ExternalDataExchangeService.cs
- RoleGroupCollection.cs
- WindowsContainer.cs
- HyperLink.cs
- MemberAccessException.cs
- RouteValueExpressionBuilder.cs
- ColumnCollection.cs
- SecUtil.cs
- SoapInteropTypes.cs
- Native.cs
- SoapMessage.cs
- RTTrackingProfile.cs
- DecoderFallback.cs
- SimpleApplicationHost.cs
- JoinTreeNode.cs
- PropertyChangingEventArgs.cs
- BlockExpression.cs
- XmlSchemaGroupRef.cs
- PeerTransportSecuritySettings.cs
- MulticastNotSupportedException.cs
- ActionFrame.cs
- AttachedPropertyBrowsableForTypeAttribute.cs
- WizardPanel.cs
- InfiniteTimeSpanConverter.cs