MemberInfoSerializationHolder.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Reflection / MemberInfoSerializationHolder.cs / 1305376 / MemberInfoSerializationHolder.cs
                        
                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
// [....]
// 
 
using System;
using System.Runtime.Remoting; 
using System.Runtime.Serialization;
using System.Globalization;
using System.Diagnostics.Contracts;
 
namespace System.Reflection
{ 
    [Serializable] 
    internal class MemberInfoSerializationHolder : ISerializable, IObjectReference
    { 
        #region Staitc Public Members
        public static void GetSerializationInfo(SerializationInfo info, String name, Type reflectedClass, String signature, MemberTypes type)
        {
            GetSerializationInfo(info, name, reflectedClass, signature, type, null); 
        }
 
        public static void GetSerializationInfo( 
            SerializationInfo info, String name, Type reflectedClass, String signature, MemberTypes type, Type[] genericArguments)
        { 
            if (info == null)
                throw new ArgumentNullException("info");
            Contract.EndContractBlock();
 
            String assemblyName = reflectedClass.Module.Assembly.FullName;
            String typeName = reflectedClass.FullName; 
 
            info.SetType(typeof(MemberInfoSerializationHolder));
            info.AddValue("Name", name, typeof(String)); 
            info.AddValue("AssemblyName", assemblyName, typeof(String));
            info.AddValue("ClassName", typeName, typeof(String));
            info.AddValue("Signature", signature, typeof(String));
            info.AddValue("MemberType", (int)type); 
            info.AddValue("GenericArguments", genericArguments, typeof(Type[]));
        } 
        #endregion 

        #region Private Data Members 
        private String m_memberName;
        private RuntimeType m_reflectedType;
        private String m_signature;
        private MemberTypes m_memberType; 
        private SerializationInfo m_info;
        #endregion 
 
        #region Constructor
        internal MemberInfoSerializationHolder(SerializationInfo info, StreamingContext context) 
        {
            if (info == null)
                throw new ArgumentNullException("info");
            Contract.EndContractBlock(); 

            String assemblyName = info.GetString("AssemblyName"); 
            String typeName = info.GetString("ClassName"); 

            if (assemblyName == null || typeName == null) 
                throw new SerializationException(Environment.GetResourceString("Serialization_InsufficientState"));

            Assembly assem = FormatterServices.LoadAssemblyFromString(assemblyName);
            m_reflectedType = assem.GetType(typeName, true, false) as RuntimeType; 
            m_memberName = info.GetString("Name");
            m_signature = info.GetString("Signature"); 
            m_memberType = (MemberTypes)info.GetInt32("MemberType"); 
            m_info = info;
        } 
        #endregion

        #region ISerializable
        [System.Security.SecurityCritical]  // auto-generated 
        public virtual void GetObjectData(SerializationInfo info, StreamingContext context)
        { 
            throw new NotSupportedException(Environment.GetResourceString(ResId.NotSupported_Method)); 
        }
        #endregion 

        #region IObjectReference
        [System.Security.SecurityCritical]  // auto-generated
        public virtual Object GetRealObject(StreamingContext context) 
        {
            if (m_memberName == null || m_reflectedType == null || m_memberType == 0) 
                throw new SerializationException(Environment.GetResourceString(ResId.Serialization_InsufficientState)); 

            BindingFlags bindingFlags = 
                BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic |
                BindingFlags.Static | BindingFlags.OptionalParamBinding;

            switch (m_memberType) 
            {
                #region case MemberTypes.Field: 
                case MemberTypes.Field: 
                {
                    FieldInfo[] fields = m_reflectedType.GetMember(m_memberName, MemberTypes.Field, bindingFlags) as FieldInfo[]; 

                    if (fields.Length == 0)
                        throw new SerializationException(Environment.GetResourceString("Serialization_UnknownMember", m_memberName));
 
                    return fields[0];
                } 
                #endregion 

                #region case MemberTypes.Event: 
                case MemberTypes.Event:
                {
                    EventInfo[] events = m_reflectedType.GetMember(m_memberName, MemberTypes.Event, bindingFlags) as EventInfo[];
 
                    if (events.Length == 0)
                        throw new SerializationException(Environment.GetResourceString("Serialization_UnknownMember", m_memberName)); 
 
                    return events[0];
                } 
                #endregion

                #region case MemberTypes.Property:
                case MemberTypes.Property: 
                {
                    PropertyInfo[] properties = m_reflectedType.GetMember(m_memberName, MemberTypes.Property, bindingFlags) as PropertyInfo[]; 
 
                    if (properties.Length == 0)
                        throw new SerializationException(Environment.GetResourceString("Serialization_UnknownMember", m_memberName)); 

                    if (properties.Length == 1)
                        return properties[0];
 
                    if (properties.Length > 1)
                    { 
                        for (int i = 0; i < properties.Length; i++) 
                        {
                            if ((properties[i]).ToString().Equals(m_signature)) 
                                return properties[i];
                        }
                    }
 
                    throw new SerializationException(Environment.GetResourceString(ResId.Serialization_UnknownMember, m_memberName));
                } 
                #endregion 

                #region case MemberTypes.Constructor: 
                case MemberTypes.Constructor:
                {
                    if (m_signature == null)
                        throw new SerializationException(Environment.GetResourceString(ResId.Serialization_NullSignature)); 

                    ConstructorInfo[] constructors = m_reflectedType.GetMember(m_memberName, MemberTypes.Constructor, bindingFlags) as ConstructorInfo[]; 
 
                    if (constructors.Length == 1)
                        return constructors[0]; 

                    if (constructors.Length > 1)
                    {
                        for (int i = 0; i < constructors.Length; i++) 
                        {
                            if (constructors[i].ToString().Equals(m_signature)) 
                                return constructors[i]; 
                        }
                    } 

                    throw new SerializationException(Environment.GetResourceString(ResId.Serialization_UnknownMember, m_memberName));
                }
                #endregion 

                #region case MemberTypes.Method: 
                case MemberTypes.Method: 
                {
                    MethodInfo methodInfo = null; 

                    if (m_signature == null)
                        throw new SerializationException(Environment.GetResourceString(ResId.Serialization_NullSignature));
 
                    Type[] genericArguments = m_info.GetValueNoThrow("GenericArguments", typeof(Type[])) as Type[];
 
                    MethodInfo[] methods = m_reflectedType.GetMember(m_memberName, MemberTypes.Method, bindingFlags) as MethodInfo[]; 

                    if (methods.Length == 1) 
                        methodInfo = methods[0];

                    else if (methods.Length > 1)
                    { 
                        for (int i = 0; i < methods.Length; i++)
                        { 
                            if (methods[i].ToString().Equals(m_signature)) 
                            {
                                methodInfo = methods[i]; 
                                break;
                            }

                            // Handle generic methods specially since the signature match above probably won't work (the candidate 
                            // method info hasn't been instantiated). If our target method is generic as well we can skip this.
                            if (genericArguments != null && methods[i].IsGenericMethod) 
                            { 
                                if (methods[i].GetGenericArguments().Length == genericArguments.Length)
                                { 
                                    MethodInfo candidateMethod = methods[i].MakeGenericMethod(genericArguments);
                                    if (candidateMethod.ToString().Equals(m_signature))
                                    {
                                        methodInfo = candidateMethod; 
                                        break;
                                    } 
                                } 
                            }
                        } 
                    }

                    if (methodInfo == null)
                        throw new SerializationException(Environment.GetResourceString(ResId.Serialization_UnknownMember, m_memberName)); 

                    if (!methodInfo.IsGenericMethodDefinition) 
                        return methodInfo; 

                    if (genericArguments == null) 
                        return methodInfo;

                    if (genericArguments[0] == null)
                        return null; 

                    return methodInfo.MakeGenericMethod(genericArguments); 
                } 
                #endregion
 
                default:
                    throw new ArgumentException(Environment.GetResourceString("Serialization_MemberTypeNotRecognized"));
            }
        } 
        #endregion
    } 
 

} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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MemberInfoSerializationHolder.cs source code in C# .NET

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