38 lines
1.6 KiB
C#
38 lines
1.6 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ConfigurationManagerHelperFactory.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Configuration {
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using System.Configuration.Internal;
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using System.Diagnostics.CodeAnalysis;
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using System.Security.Permissions;
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//
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// class ConfigurationManagerHelperFactory manages access to a
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// single instance of ConfigurationManagerHelper.
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//
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static internal class ConfigurationManagerHelperFactory {
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private const string ConfigurationManagerHelperTypeString = "System.Configuration.Internal.ConfigurationManagerHelper, " + AssemblyRef.System;
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static private volatile IConfigurationManagerHelper s_instance;
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static internal IConfigurationManagerHelper Instance {
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get {
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if (s_instance == null) {
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s_instance = CreateConfigurationManagerHelper();
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}
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return s_instance;
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}
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}
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[ReflectionPermission(SecurityAction.Assert, Flags = ReflectionPermissionFlag.MemberAccess)]
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[SuppressMessage("Microsoft.Security", "CA2106:SecureAsserts", Justification = "Hard-coded to create an instance of a specific type.")]
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private static IConfigurationManagerHelper CreateConfigurationManagerHelper() {
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return TypeUtil.CreateInstance<IConfigurationManagerHelper>(ConfigurationManagerHelperTypeString);
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}
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}
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}
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