68 lines
2.1 KiB
C#
68 lines
2.1 KiB
C#
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// <copyright>
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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namespace System.Runtime.Serialization
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{
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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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static class AppSettings
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{
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internal const string MaxMimePartsAppSettingsString = "microsoft:xmldictionaryreader:maxmimeparts";
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const int DefaultMaxMimeParts = 1000;
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static int maxMimeParts;
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static volatile bool settingsInitalized = false;
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static object appSettingsLock = new object();
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internal static int MaxMimeParts
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{
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get
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{
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EnsureSettingsLoaded();
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return maxMimeParts;
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}
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}
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[SuppressMessage(FxCop.Category.ReliabilityBasic, "Reliability104:CaughtAndHandledExceptionsRule",
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Justification = "Handle the configuration exceptions here to avoid regressions on customer's existing scenarios")]
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static void EnsureSettingsLoaded()
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{
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if (!settingsInitalized)
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{
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lock (appSettingsLock)
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{
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if (!settingsInitalized)
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{
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NameValueCollection appSettingsSection = null;
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#if !NO_CONFIGURATION
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try
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{
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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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}
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finally
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{
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#endif
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if ((appSettingsSection == null) || !int.TryParse(appSettingsSection[MaxMimePartsAppSettingsString], out maxMimeParts))
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{
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maxMimeParts = DefaultMaxMimeParts;
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}
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settingsInitalized = true;
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#if !NO_CONFIGURATION
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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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}
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}
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}
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