Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / NetFx35 / System.ServiceModel.Web / System / Runtime / Serialization / Json / JsonClassDataContract.cs / 1 / JsonClassDataContract.cs
//---------------------------------------------------------------- // Copyright (c) Microsoft Corporation. All rights reserved. //--------------------------------------------------------------- namespace System.Runtime.Serialization.Json { using System.Threading; using System.Xml; using System.Diagnostics; using System.ServiceModel; using System.Collections.Generic; using System.Security; class JsonClassDataContract : JsonDataContract { //// Critical - holds instance of CriticalHelper which keeps state that is cached statically for serialization. // Static fields are marked SecurityCritical or readonly to prevent // data from being modified or leaked to other components in appdomain. // [SecurityCritical] JsonClassDataContractCriticalHelper helper; //// Critical - initializes SecurityCritical field 'helper' // Safe - doesn't leak anything // [SecurityCritical, SecurityTreatAsSafe] public JsonClassDataContract(ClassDataContract traditionalDataContract) : base(new JsonClassDataContractCriticalHelper(traditionalDataContract)) { this.helper = base.Helper as JsonClassDataContractCriticalHelper; } internal JsonFormatClassReaderDelegate JsonFormatReaderDelegate { //// Critical - fetches the critical JsonFormatReaderDelegate property // Safe - JsonFormatReaderDelegate only needs to be protected for write // [SecurityCritical, SecurityTreatAsSafe] get { if (helper.JsonFormatReaderDelegate == null) { lock (this) { if (helper.JsonFormatReaderDelegate == null) { JsonFormatClassReaderDelegate tempDelegate = new JsonFormatReaderGenerator().GenerateClassReader(TraditionalClassDataContract); Thread.MemoryBarrier(); helper.JsonFormatReaderDelegate = tempDelegate; } } } return helper.JsonFormatReaderDelegate; } } internal JsonFormatClassWriterDelegate JsonFormatWriterDelegate { //// Critical - fetches the critical JsonFormatWriterDelegate property // Safe - JsonFormatWriterDelegate only needs to be protected for write // [SecurityCritical, SecurityTreatAsSafe] get { if (helper.JsonFormatWriterDelegate == null) { lock (this) { if (helper.JsonFormatWriterDelegate == null) { JsonFormatClassWriterDelegate tempDelegate = new JsonFormatWriterGenerator().GenerateClassWriter(TraditionalClassDataContract); Thread.MemoryBarrier(); helper.JsonFormatWriterDelegate = tempDelegate; } } } return helper.JsonFormatWriterDelegate; } } internal XmlDictionaryString[] MemberNames { //// Critical - fetches the critical MemberNames property // Safe - MemberNames only needs to be protected for write // [SecurityCritical, SecurityTreatAsSafe] get { return this.helper.MemberNames; } } internal override string TypeName { //// Critical - fetches the critical TypeName property // Safe - TypeName only needs to be protected for write // [SecurityCritical, SecurityTreatAsSafe] get { return this.helper.TypeName; } } ClassDataContract TraditionalClassDataContract { //// Critical - fetches the critical TraditionalClassDataContract property // Safe - TraditionalClassDataContract only needs to be protected for write // [SecurityCritical, SecurityTreatAsSafe] get { return this.helper.TraditionalClassDataContract; } } public override object ReadJsonValueCore(XmlReaderDelegator jsonReader, XmlObjectSerializerReadContextComplexJson context) { jsonReader.Read(); object o = JsonFormatReaderDelegate(jsonReader, context, XmlDictionaryString.Empty, MemberNames); jsonReader.ReadEndElement(); return o; } public override void WriteJsonValueCore(XmlWriterDelegator jsonWriter, object obj, XmlObjectSerializerWriteContextComplexJson context, RuntimeTypeHandle declaredTypeHandle) { jsonWriter.WriteAttributeString(null, JsonGlobals.typeString, null, JsonGlobals.objectString); JsonFormatWriterDelegate(jsonWriter, obj, context, TraditionalClassDataContract, MemberNames); } //// Critical - holds all state used for (de)serializing types. // since the data is cached statically, we lock down access to it. // [SecurityCritical(SecurityCriticalScope.Everything)] class JsonClassDataContractCriticalHelper : JsonDataContractCriticalHelper { JsonFormatClassReaderDelegate jsonFormatReaderDelegate; JsonFormatClassWriterDelegate jsonFormatWriterDelegate; XmlDictionaryString[] memberNames; ClassDataContract traditionalClassDataContract; string typeName; public JsonClassDataContractCriticalHelper(ClassDataContract traditionalDataContract) : base(traditionalDataContract) { this.typeName = string.IsNullOrEmpty(traditionalDataContract.Namespace.Value) ? traditionalDataContract.Name.Value : string.Concat(traditionalDataContract.Name.Value, JsonGlobals.NameValueSeparatorString, XmlObjectSerializerWriteContextComplexJson.TruncateDefaultDataContractNamespace(traditionalDataContract.Namespace.Value)); this.traditionalClassDataContract = traditionalDataContract; CopyMembersAndCheckDuplicateNames(); } internal JsonFormatClassReaderDelegate JsonFormatReaderDelegate { get { return this.jsonFormatReaderDelegate; } set { this.jsonFormatReaderDelegate = value; } } internal JsonFormatClassWriterDelegate JsonFormatWriterDelegate { get { return this.jsonFormatWriterDelegate; } set { this.jsonFormatWriterDelegate = value; } } internal XmlDictionaryString[] MemberNames { get { return this.memberNames; } } internal ClassDataContract TraditionalClassDataContract { get { return this.traditionalClassDataContract; } } void CopyMembersAndCheckDuplicateNames() { if (traditionalClassDataContract.MemberNames != null) { int memberCount = traditionalClassDataContract.MemberNames.Length; DictionarymemberTable = new Dictionary (memberCount); XmlDictionaryString[] decodedMemberNames = new XmlDictionaryString[memberCount]; for (int i = 0; i < memberCount; i++) { if (memberTable.ContainsKey(traditionalClassDataContract.MemberNames[i].Value)) { throw System.ServiceModel.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SerializationException(SR2.GetString(SR2.JsonDuplicateMemberNames, DataContract.GetClrTypeFullName(traditionalClassDataContract.UnderlyingType), traditionalClassDataContract.MemberNames[i].Value))); } else { memberTable.Add(traditionalClassDataContract.MemberNames[i].Value, null); decodedMemberNames[i] = DataContractJsonSerializer.ConvertXmlNameToJsonName(traditionalClassDataContract.MemberNames[i]); } } this.memberNames = decodedMemberNames; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- WindowsRichEditRange.cs
- PrinterResolution.cs
- ECDiffieHellmanPublicKey.cs
- StringFunctions.cs
- StringBuilder.cs
- SqlMethods.cs
- SystemIPGlobalStatistics.cs
- WorkflowValidationFailedException.cs
- PageOutputQuality.cs
- Light.cs
- SqlConnectionStringBuilder.cs
- CodeTypeParameterCollection.cs
- FixedFindEngine.cs
- PolicyStatement.cs
- DataContractSerializerElement.cs
- SoapEnvelopeProcessingElement.cs
- PowerStatus.cs
- FontInfo.cs
- keycontainerpermission.cs
- SecurityDocument.cs
- DelegateInArgument.cs
- InternalSafeNativeMethods.cs
- CompilerGlobalScopeAttribute.cs
- PeerValidationBehavior.cs
- ThrowOnMultipleAssignment.cs
- DataGridViewTextBoxCell.cs
- DataGridViewCellValueEventArgs.cs
- Models.cs
- TransactionInterop.cs
- CriticalHandle.cs
- LocatorManager.cs
- documentsequencetextcontainer.cs
- StringWriter.cs
- XPathChildIterator.cs
- CopyNamespacesAction.cs
- XPathChildIterator.cs
- ContravarianceAdapter.cs
- XmlSchemaElement.cs
- ApplicationManager.cs
- ActionFrame.cs
- BasicHttpSecurityMode.cs
- CommonGetThemePartSize.cs
- XmlSchemaInferenceException.cs
- CompilationUnit.cs
- TextDecorations.cs
- XmlSchemaAttribute.cs
- CancelEventArgs.cs
- NumberAction.cs
- DebuggerService.cs
- ContentPropertyAttribute.cs
- QueryStatement.cs
- BaseParaClient.cs
- SqlAliaser.cs
- HatchBrush.cs
- SoapProtocolImporter.cs
- MouseDevice.cs
- TimeSpanValidator.cs
- ExceptionNotification.cs
- ScalarOps.cs
- StorageScalarPropertyMapping.cs
- PersistenceContext.cs
- TemplateControlBuildProvider.cs
- FilteredDataSetHelper.cs
- WindowsTitleBar.cs
- ExpandedWrapper.cs
- PlainXmlDeserializer.cs
- WindowsGrip.cs
- SyndicationSerializer.cs
- ToolStripDropDownButton.cs
- EntityDataSourceUtil.cs
- WorkflowValidationFailedException.cs
- LayoutEditorPart.cs
- Ref.cs
- Transactions.cs
- TimerEventSubscription.cs
- mediapermission.cs
- HttpCookieCollection.cs
- TextOptionsInternal.cs
- SelectionEditor.cs
- EntityClientCacheEntry.cs
- PointCollection.cs
- HTTPNotFoundHandler.cs
- HyperLinkField.cs
- CommandBindingCollection.cs
- ObjRef.cs
- OuterGlowBitmapEffect.cs
- Type.cs
- ElapsedEventArgs.cs
- SQLMembershipProvider.cs
- HighContrastHelper.cs
- ByteKeyFrameCollection.cs
- LogReservationCollection.cs
- AutomationPeer.cs
- StateInitialization.cs
- PauseStoryboard.cs
- HtmlGenericControl.cs
- TypeDelegator.cs
- QueryPageSettingsEventArgs.cs
- QueryResponse.cs
- ThicknessAnimationUsingKeyFrames.cs