BinaryFormatter.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Runtime / Serialization / Formatters / Binary / BinaryFormatter.cs / 1305376 / 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.Collections.Generic; 
    using System.Runtime.Serialization.Formatters;
#if FEATURE_REMOTING 
    using System.Runtime.Remoting.Proxies; 
#endif
    using System.Runtime.Remoting; 
    using System.Runtime.Remoting.Messaging;

    using System.Runtime.Serialization;
    using System.Security.Permissions; 
    using System.Diagnostics.Contracts;
 
    [System.Runtime.InteropServices.ComVisible(true)] 
    sealed public class BinaryFormatter :
#if !FEATURE_REMOTING 
 IFormatter
#endif
#if NOT_DEFINED
       ,  // CoreCLR: to make parser work we have to have comma after the interface name 
#endif
#if FEATURE_REMOTING 
        IRemotingFormatter 
#endif
    { 

        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; 
        private static Dictionary typeNameCache = new Dictionary();

        // 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.
        [System.Security.SecuritySafeCritical]  // auto-generated 
        public Object Deserialize(Stream serializationStream)
        { 
            return Deserialize(serializationStream, null); 
        }
 
        [System.Security.SecurityCritical]  // auto-generated
        internal Object Deserialize(Stream serializationStream, HeaderHandler handler, bool fCheck)
        {
#if FEATURE_REMOTING 
            return Deserialize(serializationStream, handler, fCheck, null);
#else 
            if (serializationStream == null) 
            {
                throw new ArgumentNullException("serializationStream", Environment.GetResourceString("ArgumentNull_WithParamName", serializationStream)); 
            }
            Contract.EndContractBlock();

            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); 

#endif 

        }

 

        // Deserialize the stream into an object graph. 
        [System.Security.SecuritySafeCritical]  // auto-generated 
        public Object Deserialize(Stream serializationStream, HeaderHandler handler) {
            return Deserialize(serializationStream, handler, true); 
        }

#if FEATURE_REMOTING
        [System.Security.SecuritySafeCritical]  // auto-generated 
        public Object DeserializeMethodResponse(Stream serializationStream, HeaderHandler handler, IMethodCallMessage methodCallMessage) {
            return Deserialize(serializationStream, handler, true, methodCallMessage); 
        } 
#endif
        [System.Security.SecurityCritical]  // auto-generated_required 
        [System.Runtime.InteropServices.ComVisible(false)]
        public Object UnsafeDeserialize(Stream serializationStream, HeaderHandler handler) {
            return Deserialize(serializationStream, handler, false);
        } 

#if FEATURE_REMOTING 
        [System.Security.SecurityCritical]  // auto-generated_required 
        [System.Runtime.InteropServices.ComVisible(false)]
        public Object UnsafeDeserializeMethodResponse(Stream serializationStream, HeaderHandler handler, IMethodCallMessage methodCallMessage) { 
            return Deserialize(serializationStream, handler, false, methodCallMessage);
        }

        [System.Security.SecurityCritical]  // auto-generated 
        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. 
        [System.Security.SecurityCritical]  // auto-generated
        internal Object Deserialize(Stream serializationStream, HeaderHandler handler, bool fCheck, bool isCrossAppDomain, IMethodCallMessage methodCallMessage) {
            if (serializationStream==null)
            { 
                throw new ArgumentNullException("serializationStream", Environment.GetResourceString("ArgumentNull_WithParamName",serializationStream));
            } 
            Contract.EndContractBlock(); 

            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);
    } 
#endif // FEATURE_REMOTING
 
        [System.Security.SecuritySafeCritical]  // auto-generated 
        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).
        [System.Security.SecuritySafeCritical]  // auto-generated 
        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). 
        [System.Security.SecurityCritical]  // auto-generated
        internal void Serialize(Stream serializationStream, Object graph, Header[] headers, bool fCheck) 
        { 
            if (serializationStream == null)
            { 
                throw new ArgumentNullException("serializationStream", Environment.GetResourceString("ArgumentNull_WithParamName", serializationStream));
            }
            Contract.EndContractBlock();
            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, m_binder);
            __BinaryWriter binaryWriter = new __BinaryWriter(serializationStream, sow, m_typeFormat);
            sow.Serialize(graph, headers, binaryWriter, fCheck); 
            m_crossAppDomainArray = sow.crossAppDomainArray;
        } 
 
        internal static TypeInformation GetTypeInformation(Type type)
        { 
            lock (typeNameCache)
            {
                TypeInformation typeInformation = null;
                if (!typeNameCache.TryGetValue(type, out typeInformation)) 
                {
                    typeInformation = new TypeInformation(FormatterServices.GetClrTypeFullName(type), FormatterServices.GetClrAssemblyName(type)); 
                    typeNameCache.Add(type, typeInformation); 
                }
                return typeInformation; 
            }
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK