Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / 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
- OdbcError.cs
- ParseElement.cs
- TextDecorationCollection.cs
- ValidationEventArgs.cs
- SafePEFileHandle.cs
- MarkupExtensionParser.cs
- TemplateBindingExtensionConverter.cs
- X509Certificate2Collection.cs
- ReadOnlyDataSourceView.cs
- CssClassPropertyAttribute.cs
- SQLDateTimeStorage.cs
- SqlMethodTransformer.cs
- HttpFormatExtensions.cs
- InputScopeConverter.cs
- CodeAttributeDeclarationCollection.cs
- GridView.cs
- TrackingMemoryStreamFactory.cs
- SmiEventSink_Default.cs
- BufferModeSettings.cs
- TemplateBindingExtensionConverter.cs
- TextEditorTables.cs
- DeclarativeConditionsCollection.cs
- UIntPtr.cs
- ConcurrencyBehavior.cs
- WebRequest.cs
- TabItemWrapperAutomationPeer.cs
- NativeRightsManagementAPIsStructures.cs
- SafeHGlobalHandleCritical.cs
- AnnotationMap.cs
- EdgeModeValidation.cs
- MetaModel.cs
- UrlAuthorizationModule.cs
- AdapterDictionary.cs
- CroppedBitmap.cs
- XmlLoader.cs
- _FixedSizeReader.cs
- FromReply.cs
- PersonalizablePropertyEntry.cs
- XmlnsCompatibleWithAttribute.cs
- ConfigurationStrings.cs
- DataBindingCollectionConverter.cs
- DefaultValidator.cs
- ToolStripDropDownClosingEventArgs.cs
- TablePatternIdentifiers.cs
- TimeStampChecker.cs
- Int64.cs
- StrongName.cs
- SQLMoneyStorage.cs
- RawContentTypeMapper.cs
- CodeDirectiveCollection.cs
- EncryptedPackageFilter.cs
- DataServiceProcessingPipeline.cs
- BindableTemplateBuilder.cs
- ComponentGlyph.cs
- DataGridViewTextBoxEditingControl.cs
- WmpBitmapDecoder.cs
- AtomServiceDocumentSerializer.cs
- ReferencedCollectionType.cs
- SimpleTableProvider.cs
- IssuedTokenClientBehaviorsElement.cs
- FormsAuthenticationTicket.cs
- SQLBinary.cs
- HttpResponseHeader.cs
- DataSourceViewSchemaConverter.cs
- EventHandlingScope.cs
- CodeMemberProperty.cs
- TrackingStringDictionary.cs
- HMACSHA512.cs
- HostUtils.cs
- WindowsFormsSynchronizationContext.cs
- WebPartConnectionsCancelEventArgs.cs
- RequiredFieldValidator.cs
- EntityReference.cs
- XmlImplementation.cs
- ProfileService.cs
- DiscoveryClientProtocol.cs
- Utils.cs
- PersonalizationDictionary.cs
- ShimAsPublicXamlType.cs
- SqlPersonalizationProvider.cs
- MonthCalendar.cs
- SetMemberBinder.cs
- DiagnosticStrings.cs
- DesignConnection.cs
- EntityDataSourceDataSelectionPanel.cs
- ExtendedPropertyInfo.cs
- ReadWriteSpinLock.cs
- MsmqAuthenticationMode.cs
- SEHException.cs
- XmlSortKey.cs
- HostingEnvironmentSection.cs
- PermissionAttributes.cs
- ExpressionPrinter.cs
- Propagator.ExtentPlaceholderCreator.cs
- ModifiableIteratorCollection.cs
- DelayLoadType.cs
- BufferAllocator.cs
- MetadataSet.cs
- HttpCookie.cs
- DesignerDataView.cs