56 lines
2.2 KiB
C#
56 lines
2.2 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="AppSettings.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.Xml.Serialization {
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using System;
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using System.Collections.Specialized;
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using System.Configuration;
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using System.Diagnostics.CodeAnalysis;
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using System.Security.Permissions;
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internal static class AppSettings {
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private const string UseLegacySerializerGenerationAppSettingsString = "System:Xml:Serialization:UseLegacySerializerGeneration";
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private static bool? useLegacySerializerGeneration;
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private static volatile bool settingsInitalized = false;
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private static object appSettingsLock = new object();
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internal static bool? UseLegacySerializerGeneration {
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get {
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EnsureSettingsLoaded();
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return useLegacySerializerGeneration;
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}
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}
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static void EnsureSettingsLoaded() {
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#if CONFIGURATION_DEP
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if (!settingsInitalized) {
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lock (appSettingsLock) {
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if (!settingsInitalized) {
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NameValueCollection appSettingsSection = null;
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try {
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appSettingsSection = ConfigurationManager.AppSettings;
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}
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catch (ConfigurationErrorsException) {
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}
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finally {
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bool tempUseLegacySerializerGeneration;
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if ((appSettingsSection == null) || !bool.TryParse(appSettingsSection[UseLegacySerializerGenerationAppSettingsString], out tempUseLegacySerializerGeneration)) {
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useLegacySerializerGeneration = null;
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}
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else {
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useLegacySerializerGeneration = (bool?)tempUseLegacySerializerGeneration;
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}
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settingsInitalized = true;
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}
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}
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}
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}
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#endif
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}
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}
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}
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