Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Runtime / Serialization / ObjectCloneHelper.cs / 1305376 / ObjectCloneHelper.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: ObjectCloneHelper ** ** ** Purpose: Helper methods used by ObjectClone to process ISerializable objects etc ** ** ===========================================================*/ #if FEATURE_REMOTING 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(); [System.Security.SecurityCritical] // auto-generated 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; } [System.Security.SecurityCritical] // auto-generated 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(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; } } } #endif // FEATURE_REMOTING // 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 ** ** ===========================================================*/ #if FEATURE_REMOTING 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(); [System.Security.SecurityCritical] // auto-generated 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; } [System.Security.SecurityCritical] // auto-generated 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(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; } } } #endif // FEATURE_REMOTING // 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
- ColumnClickEvent.cs
- TraceUtility.cs
- SQLString.cs
- SeverityFilter.cs
- NamedElement.cs
- XmlLoader.cs
- ConvertBinder.cs
- HttpServerVarsCollection.cs
- _AcceptOverlappedAsyncResult.cs
- DispatcherTimer.cs
- WebPartCancelEventArgs.cs
- ExpressionList.cs
- RequestCache.cs
- CustomAttributeSerializer.cs
- GenericAuthenticationEventArgs.cs
- URL.cs
- LocationFactory.cs
- FixedDSBuilder.cs
- CodeConstructor.cs
- TextTrailingWordEllipsis.cs
- XmlSchemaSubstitutionGroup.cs
- JsonObjectDataContract.cs
- JoinGraph.cs
- XmlNavigatorStack.cs
- SqlUserDefinedTypeAttribute.cs
- LockCookie.cs
- RowBinding.cs
- AssemblyNameProxy.cs
- LinkLabel.cs
- Journal.cs
- MetadataItemSerializer.cs
- WorkflowDesignerMessageFilter.cs
- Action.cs
- UpdateTranslator.cs
- ValidatorCompatibilityHelper.cs
- TimeSpanSecondsOrInfiniteConverter.cs
- ScaleTransform3D.cs
- StateItem.cs
- XmlBindingWorker.cs
- ManagementClass.cs
- DrawingGroup.cs
- TimeBoundedCache.cs
- UnicodeEncoding.cs
- ReferenceConverter.cs
- TextRunCache.cs
- SplitContainer.cs
- TreeViewAutomationPeer.cs
- DataGridViewBindingCompleteEventArgs.cs
- ExceptQueryOperator.cs
- AccessViolationException.cs
- WebPartConnectVerb.cs
- AutomationEvent.cs
- Geometry.cs
- ThicknessAnimation.cs
- PageCodeDomTreeGenerator.cs
- PrinterUnitConvert.cs
- OleDbInfoMessageEvent.cs
- SID.cs
- FocusChangedEventArgs.cs
- SchemaImporterExtensionsSection.cs
- UnsafeMethods.cs
- EncoderBestFitFallback.cs
- TableNameAttribute.cs
- AxisAngleRotation3D.cs
- UIntPtr.cs
- CodeSnippetCompileUnit.cs
- Crc32.cs
- ConfigurationStrings.cs
- ScalarConstant.cs
- CompositionCommandSet.cs
- BridgeDataReader.cs
- Delegate.cs
- StyleCollection.cs
- Profiler.cs
- GlobalAllocSafeHandle.cs
- SqlRemoveConstantOrderBy.cs
- Msec.cs
- XmlSchemaCompilationSettings.cs
- SafeNativeMethodsOther.cs
- ToolStripControlHost.cs
- HttpConfigurationContext.cs
- FlowDocumentPaginator.cs
- Process.cs
- SoapMessage.cs
- RenderingBiasValidation.cs
- ActiveXContainer.cs
- AsymmetricSignatureDeformatter.cs
- BitmapCodecInfo.cs
- ProgressChangedEventArgs.cs
- ShadowGlyph.cs
- CalendarAutomationPeer.cs
- DataConnectionHelper.cs
- RecordBuilder.cs
- StringWriter.cs
- RegexTree.cs
- XmlSchemaGroup.cs
- DBConnection.cs
- CodeNamespaceCollection.cs
- ExpressionNormalizer.cs
- TextFormatter.cs