/WCFWebApi/src/Microsoft.Runtime.Serialization.Internal/Microsoft/Runtime/Serialization/XmlFormatGeneratorStatics.cs

//-----------------------------------------------------------------------------

// Copyright (c) Microsoft Corporation.  All rights reserved.

//-----------------------------------------------------------------------------

namespace Microsoft.Runtime.Serialization

{

    using System;

    using System.Collections;

    using System.Reflection;

    using System.Runtime.Serialization;

    using System.Security;

    using Microsoft.Server.Common;



    [Fx.Tag.SecurityNote(Critical = "Class holds static instances used for code generation during serialization."

        + " Static fields are marked SecurityCritical or readonly to prevent data from being modified or leaked to other components in appdomain.",

        Safe = "All get-only properties marked safe since they only need to be protected for write.")]

    static class XmlFormatGeneratorStatics

    {



        [SecurityCritical]

        static MethodInfo extensionDataSetExplicitMethodInfo;

        internal static MethodInfo ExtensionDataSetExplicitMethodInfo

        {

            [SecuritySafeCritical]

            get

            {

                if (extensionDataSetExplicitMethodInfo == null)

                    extensionDataSetExplicitMethodInfo = typeof(IExtensibleDataObject).GetMethod(Globals.ExtensionDataSetMethod);

                return extensionDataSetExplicitMethodInfo;

            }

        }



        [SecurityCritical]

        static ConstructorInfo dictionaryEnumeratorCtor;

        internal static ConstructorInfo DictionaryEnumeratorCtor

        {

            [SecuritySafeCritical]

            get

            {

                if (dictionaryEnumeratorCtor == null)

                    dictionaryEnumeratorCtor = Globals.TypeOfDictionaryEnumerator.GetConstructor(Globals.ScanAllMembers, null, new Type[] { Globals.TypeOfIDictionaryEnumerator }, null);

                return dictionaryEnumeratorCtor;

            }

        }



        [SecurityCritical]

        static MethodInfo ienumeratorGetCurrentMethod;

        internal static MethodInfo GetCurrentMethod

        {

            [SecuritySafeCritical]

            get

            {

                if (ienumeratorGetCurrentMethod == null)

                    ienumeratorGetCurrentMethod = typeof(IEnumerator).GetProperty("Current").GetGetMethod();

                return ienumeratorGetCurrentMethod;

            }

        }



        [SecurityCritical]

        static MethodInfo ienumeratorMoveNextMethod;

        internal static MethodInfo MoveNextMethod

        {

            [SecuritySafeCritical]

            get

            {

                if (ienumeratorMoveNextMethod == null)

                    ienumeratorMoveNextMethod = typeof(IEnumerator).GetMethod("MoveNext");

                return ienumeratorMoveNextMethod;

            }

        }



        [SecurityCritical]

        static MethodInfo throwRequiredMemberMustBeEmittedMethod;

        internal static MethodInfo ThrowRequiredMemberMustBeEmittedMethod

        {

            [SecuritySafeCritical]

            get

            {

                if (throwRequiredMemberMustBeEmittedMethod == null)

                    throwRequiredMemberMustBeEmittedMethod = typeof(XmlObjectSerializerWriteContext).GetMethod("ThrowRequiredMemberMustBeEmitted", Globals.ScanAllMembers);

                return throwRequiredMemberMustBeEmittedMethod;

            }

        }



        [SecurityCritical]

        static MethodInfo traceInstructionMethod;

        internal static MethodInfo TraceInstructionMethod

        {

            [SecuritySafeCritical]

            get

            {

                if (traceInstructionMethod == null)

                    traceInstructionMethod = typeof(SerializationTrace).GetMethod("TraceInstruction", Globals.ScanAllMembers);

                return traceInstructionMethod;

            }

        }

    }

}