Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Runtime / Serialization / Formatters / Binary / BinaryFormatter.cs / 1 / BinaryFormatter.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: BinaryFormatter ** ** ** Purpose: Soap XML Formatter ** ** ===========================================================*/ namespace System.Runtime.Serialization.Formatters.Binary { using System; using System.IO; using System.Reflection; using System.Globalization; using System.Collections; using System.Runtime.Serialization.Formatters; using System.Runtime.Remoting; using System.Runtime.Remoting.Proxies; using System.Runtime.Remoting.Messaging; using System.Runtime.Serialization; using System.Security.Permissions; [System.Runtime.InteropServices.ComVisible(true)] sealed public class BinaryFormatter : IRemotingFormatter { internal ISurrogateSelector m_surrogates; internal StreamingContext m_context; internal SerializationBinder m_binder; //internal FormatterTypeStyle m_typeFormat = FormatterTypeStyle.TypesWhenNeeded; internal FormatterTypeStyle m_typeFormat = FormatterTypeStyle.TypesAlways; // For version resiliency, always put out types internal FormatterAssemblyStyle m_assemblyFormat = FormatterAssemblyStyle.Simple; internal TypeFilterLevel m_securityLevel = TypeFilterLevel.Full; internal Object[] m_crossAppDomainArray = null; // Property which specifies how types are serialized, // FormatterTypeStyle Enum specifies options public FormatterTypeStyle TypeFormat { get {return m_typeFormat;} set {m_typeFormat = value;} } // Property which specifies how types are serialized, // FormatterAssemblyStyle Enum specifies options public FormatterAssemblyStyle AssemblyFormat { get {return m_assemblyFormat;} set {m_assemblyFormat = value;} } // Property which specifies the security level of formatter // TypeFilterLevel Enum specifies options public TypeFilterLevel FilterLevel { get {return m_securityLevel;} set {m_securityLevel = value;} } public ISurrogateSelector SurrogateSelector { get { return m_surrogates;} set { m_surrogates = value;} } public SerializationBinder Binder { get { return m_binder;} set { m_binder = value;} } public StreamingContext Context { get { return m_context;} set { m_context = value;} } // Constructor public BinaryFormatter() { m_surrogates = null; m_context = new StreamingContext(StreamingContextStates.All); } // Constructor public BinaryFormatter(ISurrogateSelector selector, StreamingContext context) { m_surrogates = selector; m_context = context; } // Deserialize the stream into an object graph. public Object Deserialize(Stream serializationStream) { return Deserialize(serializationStream, null); } internal Object Deserialize(Stream serializationStream, HeaderHandler handler, bool fCheck) { return Deserialize(serializationStream, null, fCheck, null); } // Deserialize the stream into an object graph. public Object Deserialize(Stream serializationStream, HeaderHandler handler) { return Deserialize(serializationStream, handler, true, null); } public Object DeserializeMethodResponse(Stream serializationStream, HeaderHandler handler, IMethodCallMessage methodCallMessage) { return Deserialize(serializationStream, handler, true, methodCallMessage); } [ SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter), System.Runtime.InteropServices.ComVisible(false) ] public Object UnsafeDeserialize(Stream serializationStream, HeaderHandler handler) { return Deserialize(serializationStream, handler, false, null); } [ SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter), System.Runtime.InteropServices.ComVisible(false) ] public Object UnsafeDeserializeMethodResponse(Stream serializationStream, HeaderHandler handler, IMethodCallMessage methodCallMessage) { return Deserialize(serializationStream, handler, false, methodCallMessage); } internal Object Deserialize(Stream serializationStream, HeaderHandler handler, bool fCheck, IMethodCallMessage methodCallMessage) { return Deserialize(serializationStream, handler, fCheck, false/*isCrossAppDomain*/, methodCallMessage); } // Deserialize the stream into an object graph. internal Object Deserialize(Stream serializationStream, HeaderHandler handler, bool fCheck, bool isCrossAppDomain, IMethodCallMessage methodCallMessage) { if (serializationStream==null) { throw new ArgumentNullException("serializationStream", String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("ArgumentNull_WithParamName"),serializationStream)); } if (serializationStream.CanSeek && (serializationStream.Length == 0)) throw new SerializationException(Environment.GetResourceString("Serialization_Stream")); SerTrace.Log(this, "Deserialize Entry"); InternalFE formatterEnums = new InternalFE(); formatterEnums.FEtypeFormat = m_typeFormat; formatterEnums.FEserializerTypeEnum = InternalSerializerTypeE.Binary; formatterEnums.FEassemblyFormat = m_assemblyFormat; formatterEnums.FEsecurityLevel = m_securityLevel; ObjectReader sor = new ObjectReader(serializationStream, m_surrogates, m_context, formatterEnums, m_binder); sor.crossAppDomainArray = m_crossAppDomainArray; return sor.Deserialize(handler, new __BinaryParser(serializationStream, sor), fCheck, isCrossAppDomain, methodCallMessage); } public void Serialize(Stream serializationStream,Object graph) { Serialize(serializationStream, graph, null); } // Commences the process of serializing the entire graph. All of the data (in the appropriate format // is emitted onto the stream). public void Serialize(Stream serializationStream, Object graph, Header[] headers) { Serialize(serializationStream, graph, headers, true); } // Commences the process of serializing the entire graph. All of the data (in the appropriate format // is emitted onto the stream). internal void Serialize(Stream serializationStream, Object graph, Header[] headers, bool fCheck) { if (serializationStream==null) { throw new ArgumentNullException("serializationStream", String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("ArgumentNull_WithParamName"),serializationStream)); } SerTrace.Log(this, "Serialize Entry"); InternalFE formatterEnums = new InternalFE(); formatterEnums.FEtypeFormat = m_typeFormat; formatterEnums.FEserializerTypeEnum = InternalSerializerTypeE.Binary; formatterEnums.FEassemblyFormat = m_assemblyFormat; ObjectWriter sow = new ObjectWriter(m_surrogates, m_context, formatterEnums); __BinaryWriter binaryWriter = new __BinaryWriter(serializationStream, sow, m_typeFormat); sow.Serialize(graph, headers, binaryWriter, fCheck); m_crossAppDomainArray = sow.crossAppDomainArray; } } }
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