Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Framework / System / Windows / Documents / Serialization / SerializerProvider.cs / 1 / SerializerProvider.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Manages plug-in document serializers // // See spec at// // History: // 07/16/2005 : oliverfo - Created // //--------------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.IO; using System.Reflection; using System.Security; using System.Security.Permissions; using System.Windows.Xps.Serialization; using System.Diagnostics.CodeAnalysis; using Microsoft.Win32; using MS.Internal.PresentationFramework; #pragma warning disable 1634, 1691 // suppressing PreSharp warnings namespace System.Windows.Documents.Serialization { /// /// SerializerProvider enumerates plug-in serializers /// public sealed class SerializerProvider { #region Constructors ////// creates a SerializerProvider /// The constructor accesses the registry to find all installed plug-ins /// ////// Create a SerializerProvider listing all installed serializers (from the registry) /// /// This method currently requires full trust to run. /// ////// The DemandPlugInSerializerPermissions() ensures that this method only works in full trust. /// Full trust is required, so that partial trust applications do not load or use potentially /// unsafe serializer plug ins /// public SerializerProvider() { SecurityHelper.DemandPlugInSerializerPermissions(); SerializerDescriptor sd = null; ListinstalledSerializers = new List (); sd = CreateSystemSerializerDescriptor(); if (sd != null) { installedSerializers.Add(sd); } RegistryKey plugIns = _rootKey.CreateSubKey(_registryPath); if ( plugIns != null ) { foreach ( string keyName in plugIns.GetSubKeyNames()) { sd = SerializerDescriptor.CreateFromRegistry(plugIns, keyName); if (sd != null) { installedSerializers.Add(sd); } } plugIns.Close(); } _installedSerializers = installedSerializers.AsReadOnly(); } #endregion #region Public Methods /// /// Registers the serializer plug-in identified by serializerDescriptor in the registry /// ////// The DemandPlugInSerializerPermissions() ensures that this method only works in full trust. /// Full trust is required, so that partial trust applications install /// potentially unsafe serializer plug ins /// public static void RegisterSerializer(SerializerDescriptor serializerDescriptor, bool overwrite) { SecurityHelper.DemandPlugInSerializerPermissions(); if (serializerDescriptor == null) { throw new ArgumentNullException("serializerDescriptor"); } RegistryKey plugIns = _rootKey.CreateSubKey(_registryPath); string serializerKey = serializerDescriptor.DisplayName + "/" + serializerDescriptor.AssemblyName + "/" + serializerDescriptor.AssemblyVersion + "/" + serializerDescriptor.WinFXVersion; if (!overwrite && plugIns.OpenSubKey(serializerKey) != null) { throw new ArgumentException(SR.Get(SRID.SerializerProviderAlreadyRegistered), serializerKey); } RegistryKey newPlugIn = plugIns.CreateSubKey(serializerKey); serializerDescriptor.WriteToRegistryKey(newPlugIn); newPlugIn.Close(); } ////// Un-Registers the serializer plug-in identified by serializerDescriptor in the registry /// ////// Removes a previously installed plug-n serialiazer from the registry /// /// This method currently requires full trust to run. /// ////// The DemandPlugInSerializerPermissions() ensures that this method only works in full trust. /// Full trust is required, so that partial trust applications do not uninstall /// serializer plug ins /// public static void UnregisterSerializer(SerializerDescriptor serializerDescriptor) { SecurityHelper.DemandPlugInSerializerPermissions(); if (serializerDescriptor == null) { throw new ArgumentNullException("serializerDescriptor"); } RegistryKey plugIns = _rootKey.CreateSubKey(_registryPath); string serializerKey = serializerDescriptor.DisplayName + "/" + serializerDescriptor.AssemblyName + "/" + serializerDescriptor.AssemblyVersion + "/" + serializerDescriptor.WinFXVersion; if (plugIns.OpenSubKey(serializerKey) == null) { throw new ArgumentException(SR.Get(SRID.SerializerProviderNotRegistered), serializerKey); } plugIns.DeleteSubKeyTree(serializerKey); } ////// Create a SerializerWriter identified by the passed in SerializerDescriptor on the passed in stream /// ////// With a SerializerProvider (which requires full trust to ctor) and a SerializerDescriptor (which requires /// full trust to obtain) create a SerializerWriter /// /// This method currently requires full trust to run. /// ////// The DemandPlugInSerializerPermissions() ensures that this method only works in full trust. /// Full trust is required, so that partial trust applications do not load or use potentially /// unsafe serializer plug ins /// public SerializerWriter CreateSerializerWriter(SerializerDescriptor serializerDescriptor, Stream stream) { SecurityHelper.DemandPlugInSerializerPermissions(); SerializerWriter serializerWriter = null; if (serializerDescriptor == null) { throw new ArgumentNullException("serializerDescriptor"); } string serializerKey = serializerDescriptor.DisplayName + "/" + serializerDescriptor.AssemblyName + "/" + serializerDescriptor.AssemblyVersion + "/" + serializerDescriptor.WinFXVersion; if (!serializerDescriptor.IsLoadable) { throw new ArgumentException(SR.Get(SRID.SerializerProviderWrongVersion), serializerKey); } if (stream == null) { throw new ArgumentNullException("stream"); } bool found = false; foreach (SerializerDescriptor sd in InstalledSerializers) { if (sd.Equals(serializerDescriptor)) { found = true; break; } } if (!found) { throw new ArgumentException(SR.Get(SRID.SerializerProviderUnknownSerializer), serializerKey); } try { ISerializerFactory factory = serializerDescriptor.CreateSerializerFactory(); serializerWriter = factory.CreateSerializerWriter(stream); } catch (FileNotFoundException) { throw new ArgumentException(SR.Get(SRID.SerializerProviderCannotLoad), serializerDescriptor.DisplayName); } catch (FileLoadException) { throw new ArgumentException(SR.Get(SRID.SerializerProviderCannotLoad), serializerDescriptor.DisplayName); } catch (BadImageFormatException) { throw new ArgumentException(SR.Get(SRID.SerializerProviderCannotLoad), serializerDescriptor.DisplayName); } catch (MissingMethodException) { throw new ArgumentException(SR.Get(SRID.SerializerProviderCannotLoad), serializerDescriptor.DisplayName); } return serializerWriter; } #endregion #region Private Methods ////// Uses reflection to create the XpsSerializer /// ////// Creates the Xps default serializer /// /// This method currently requires full trust to run. /// ////// Critical: XpsSerializerFactory..ctor is defined in a non-APTCA assembly. /// TreatAsSafe: demands appropriate permissions. /// The DemandPlugInSerializerPermissions() ensures that this method only works in full trust. /// Full trust is required, so that partial trust applications do not load the ReachFramework.dll /// which does not the Aptca attribute set /// ///SerializerDescriptor for new serializer [SuppressMessage("Microsoft.Security", "CA2116:AptcaMethodsShouldOnlyCallAptcaMethods")] [SecurityCritical, SecurityTreatAsSafe] private SerializerDescriptor CreateSystemSerializerDescriptor() { SecurityHelper.DemandPlugInSerializerPermissions(); SerializerDescriptor serializerDescriptor = null; // The XpsSerializer (our default document serializer) is defined in ReachFramework.dll // But callers can only get here if the above demand succeeds, so they are already fully trusted serializerDescriptor = SerializerDescriptor.CreateFromFactoryInstance( new XpsSerializerFactory() ); return serializerDescriptor; } #endregion #region Public Properties ////// Returns collection of installed serializers /// public ReadOnlyCollectionInstalledSerializers { get { return _installedSerializers; } } #endregion #region Data private const string _registryPath = @"SOFTWARE\Microsoft\WinFX Serializers"; private static readonly RegistryKey _rootKey = Registry.LocalMachine; private ReadOnlyCollection _installedSerializers; #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // // // Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Manages plug-in document serializers // // See spec at// // History: // 07/16/2005 : oliverfo - Created // //--------------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.IO; using System.Reflection; using System.Security; using System.Security.Permissions; using System.Windows.Xps.Serialization; using System.Diagnostics.CodeAnalysis; using Microsoft.Win32; using MS.Internal.PresentationFramework; #pragma warning disable 1634, 1691 // suppressing PreSharp warnings namespace System.Windows.Documents.Serialization { /// /// SerializerProvider enumerates plug-in serializers /// public sealed class SerializerProvider { #region Constructors ////// creates a SerializerProvider /// The constructor accesses the registry to find all installed plug-ins /// ////// Create a SerializerProvider listing all installed serializers (from the registry) /// /// This method currently requires full trust to run. /// ////// The DemandPlugInSerializerPermissions() ensures that this method only works in full trust. /// Full trust is required, so that partial trust applications do not load or use potentially /// unsafe serializer plug ins /// public SerializerProvider() { SecurityHelper.DemandPlugInSerializerPermissions(); SerializerDescriptor sd = null; ListinstalledSerializers = new List (); sd = CreateSystemSerializerDescriptor(); if (sd != null) { installedSerializers.Add(sd); } RegistryKey plugIns = _rootKey.CreateSubKey(_registryPath); if ( plugIns != null ) { foreach ( string keyName in plugIns.GetSubKeyNames()) { sd = SerializerDescriptor.CreateFromRegistry(plugIns, keyName); if (sd != null) { installedSerializers.Add(sd); } } plugIns.Close(); } _installedSerializers = installedSerializers.AsReadOnly(); } #endregion #region Public Methods /// /// Registers the serializer plug-in identified by serializerDescriptor in the registry /// ////// The DemandPlugInSerializerPermissions() ensures that this method only works in full trust. /// Full trust is required, so that partial trust applications install /// potentially unsafe serializer plug ins /// public static void RegisterSerializer(SerializerDescriptor serializerDescriptor, bool overwrite) { SecurityHelper.DemandPlugInSerializerPermissions(); if (serializerDescriptor == null) { throw new ArgumentNullException("serializerDescriptor"); } RegistryKey plugIns = _rootKey.CreateSubKey(_registryPath); string serializerKey = serializerDescriptor.DisplayName + "/" + serializerDescriptor.AssemblyName + "/" + serializerDescriptor.AssemblyVersion + "/" + serializerDescriptor.WinFXVersion; if (!overwrite && plugIns.OpenSubKey(serializerKey) != null) { throw new ArgumentException(SR.Get(SRID.SerializerProviderAlreadyRegistered), serializerKey); } RegistryKey newPlugIn = plugIns.CreateSubKey(serializerKey); serializerDescriptor.WriteToRegistryKey(newPlugIn); newPlugIn.Close(); } ////// Un-Registers the serializer plug-in identified by serializerDescriptor in the registry /// ////// Removes a previously installed plug-n serialiazer from the registry /// /// This method currently requires full trust to run. /// ////// The DemandPlugInSerializerPermissions() ensures that this method only works in full trust. /// Full trust is required, so that partial trust applications do not uninstall /// serializer plug ins /// public static void UnregisterSerializer(SerializerDescriptor serializerDescriptor) { SecurityHelper.DemandPlugInSerializerPermissions(); if (serializerDescriptor == null) { throw new ArgumentNullException("serializerDescriptor"); } RegistryKey plugIns = _rootKey.CreateSubKey(_registryPath); string serializerKey = serializerDescriptor.DisplayName + "/" + serializerDescriptor.AssemblyName + "/" + serializerDescriptor.AssemblyVersion + "/" + serializerDescriptor.WinFXVersion; if (plugIns.OpenSubKey(serializerKey) == null) { throw new ArgumentException(SR.Get(SRID.SerializerProviderNotRegistered), serializerKey); } plugIns.DeleteSubKeyTree(serializerKey); } ////// Create a SerializerWriter identified by the passed in SerializerDescriptor on the passed in stream /// ////// With a SerializerProvider (which requires full trust to ctor) and a SerializerDescriptor (which requires /// full trust to obtain) create a SerializerWriter /// /// This method currently requires full trust to run. /// ////// The DemandPlugInSerializerPermissions() ensures that this method only works in full trust. /// Full trust is required, so that partial trust applications do not load or use potentially /// unsafe serializer plug ins /// public SerializerWriter CreateSerializerWriter(SerializerDescriptor serializerDescriptor, Stream stream) { SecurityHelper.DemandPlugInSerializerPermissions(); SerializerWriter serializerWriter = null; if (serializerDescriptor == null) { throw new ArgumentNullException("serializerDescriptor"); } string serializerKey = serializerDescriptor.DisplayName + "/" + serializerDescriptor.AssemblyName + "/" + serializerDescriptor.AssemblyVersion + "/" + serializerDescriptor.WinFXVersion; if (!serializerDescriptor.IsLoadable) { throw new ArgumentException(SR.Get(SRID.SerializerProviderWrongVersion), serializerKey); } if (stream == null) { throw new ArgumentNullException("stream"); } bool found = false; foreach (SerializerDescriptor sd in InstalledSerializers) { if (sd.Equals(serializerDescriptor)) { found = true; break; } } if (!found) { throw new ArgumentException(SR.Get(SRID.SerializerProviderUnknownSerializer), serializerKey); } try { ISerializerFactory factory = serializerDescriptor.CreateSerializerFactory(); serializerWriter = factory.CreateSerializerWriter(stream); } catch (FileNotFoundException) { throw new ArgumentException(SR.Get(SRID.SerializerProviderCannotLoad), serializerDescriptor.DisplayName); } catch (FileLoadException) { throw new ArgumentException(SR.Get(SRID.SerializerProviderCannotLoad), serializerDescriptor.DisplayName); } catch (BadImageFormatException) { throw new ArgumentException(SR.Get(SRID.SerializerProviderCannotLoad), serializerDescriptor.DisplayName); } catch (MissingMethodException) { throw new ArgumentException(SR.Get(SRID.SerializerProviderCannotLoad), serializerDescriptor.DisplayName); } return serializerWriter; } #endregion #region Private Methods ////// Uses reflection to create the XpsSerializer /// ////// Creates the Xps default serializer /// /// This method currently requires full trust to run. /// ////// Critical: XpsSerializerFactory..ctor is defined in a non-APTCA assembly. /// TreatAsSafe: demands appropriate permissions. /// The DemandPlugInSerializerPermissions() ensures that this method only works in full trust. /// Full trust is required, so that partial trust applications do not load the ReachFramework.dll /// which does not the Aptca attribute set /// ///SerializerDescriptor for new serializer [SuppressMessage("Microsoft.Security", "CA2116:AptcaMethodsShouldOnlyCallAptcaMethods")] [SecurityCritical, SecurityTreatAsSafe] private SerializerDescriptor CreateSystemSerializerDescriptor() { SecurityHelper.DemandPlugInSerializerPermissions(); SerializerDescriptor serializerDescriptor = null; // The XpsSerializer (our default document serializer) is defined in ReachFramework.dll // But callers can only get here if the above demand succeeds, so they are already fully trusted serializerDescriptor = SerializerDescriptor.CreateFromFactoryInstance( new XpsSerializerFactory() ); return serializerDescriptor; } #endregion #region Public Properties ////// Returns collection of installed serializers /// public ReadOnlyCollectionInstalledSerializers { get { return _installedSerializers; } } #endregion #region Data private const string _registryPath = @"SOFTWARE\Microsoft\WinFX Serializers"; private static readonly RegistryKey _rootKey = Registry.LocalMachine; private ReadOnlyCollection _installedSerializers; #endregion } } // 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
- ReadingWritingEntityEventArgs.cs
- LinkedList.cs
- ResolveDuplex11AsyncResult.cs
- IPAddressCollection.cs
- _NestedSingleAsyncResult.cs
- SaveFileDialog.cs
- XmlEncodedRawTextWriter.cs
- FreezableOperations.cs
- ConnectionInterfaceCollection.cs
- StyleXamlTreeBuilder.cs
- DataContractJsonSerializer.cs
- FileSecurity.cs
- ExpressionParser.cs
- NativeRecognizer.cs
- FontStretch.cs
- PrintPreviewDialog.cs
- InfoCardMasterKey.cs
- DeflateStreamAsyncResult.cs
- FilteredXmlReader.cs
- NonClientArea.cs
- WindowsTreeView.cs
- ToolStripRenderer.cs
- NavigateEvent.cs
- SnapshotChangeTrackingStrategy.cs
- Exception.cs
- WebPermission.cs
- DefaultAssemblyResolver.cs
- Avt.cs
- FilteredAttributeCollection.cs
- HyperLink.cs
- DbCommandDefinition.cs
- KeySplineConverter.cs
- XmlSchemaImport.cs
- ReferentialConstraintRoleElement.cs
- EpmSyndicationContentSerializer.cs
- ProcessHostServerConfig.cs
- ConnectionsZoneDesigner.cs
- URLIdentityPermission.cs
- XMLSyntaxException.cs
- XmlAttributeOverrides.cs
- WindowShowOrOpenTracker.cs
- DefaultValueAttribute.cs
- GraphicsState.cs
- Funcletizer.cs
- ResXResourceReader.cs
- ToolStripContentPanel.cs
- coordinatorfactory.cs
- ConfigPathUtility.cs
- DataGridViewRowsRemovedEventArgs.cs
- XpsLiterals.cs
- Int64KeyFrameCollection.cs
- BmpBitmapEncoder.cs
- InputMethodStateChangeEventArgs.cs
- CodeTypeReferenceSerializer.cs
- CharAnimationBase.cs
- CodeSnippetTypeMember.cs
- BindingNavigator.cs
- MimeXmlReflector.cs
- GeometryValueSerializer.cs
- TextOptionsInternal.cs
- LinqDataSourceView.cs
- ContextStack.cs
- MarshalDirectiveException.cs
- PropertyEntry.cs
- OleDbDataReader.cs
- ObjectDataSourceDisposingEventArgs.cs
- Module.cs
- CacheModeConverter.cs
- ComboBox.cs
- WebPartCancelEventArgs.cs
- RectValueSerializer.cs
- ThreadPool.cs
- MatrixStack.cs
- ToolboxItemSnapLineBehavior.cs
- StylusPointPropertyInfo.cs
- XmlSchemaComplexType.cs
- BinaryConverter.cs
- EntityConnectionStringBuilder.cs
- ValueCollectionParameterReader.cs
- ControlDesigner.cs
- PerformanceCounterPermissionAttribute.cs
- XmlAnyAttributeAttribute.cs
- BrowserCapabilitiesFactoryBase.cs
- HandlerBase.cs
- DbConnectionHelper.cs
- XmlQualifiedNameTest.cs
- SigningCredentials.cs
- AgileSafeNativeMemoryHandle.cs
- HttpModuleAction.cs
- DataTableMapping.cs
- MsdtcWrapper.cs
- ManagedIStream.cs
- CatalogPartCollection.cs
- OdbcInfoMessageEvent.cs
- ParentQuery.cs
- PointAnimationUsingKeyFrames.cs
- BaseAsyncResult.cs
- CollectionEditorDialog.cs
- FileSystemInfo.cs
- MultiDataTrigger.cs