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// <copyright>
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
namespace System.ServiceModel.Activation.Configuration
{
using System.Collections.Specialized;
using System.Configuration;
using System.Diagnostics.CodeAnalysis;
using System.Runtime;
internal static class AppSettings
{
private const string UseClassicReadEntityBodyModeString = "wcf:serviceHostingEnvironment:useClassicReadEntityBodyMode";
private static bool useClassicReadEntityBodyMode = false;
private static volatile bool settingsInitalized = false;
private static object appSettingsLock = new object();
internal static bool UseClassicReadEntityMode
{
get
{
EnsureSettingsLoaded();
return useClassicReadEntityBodyMode;
}
}
[SuppressMessage(FxCop.Category.ReliabilityBasic, "Reliability104:CaughtAndHandledExceptionsRule",
Justification = "Handle the configuration exceptions here to avoid regressions on customer's existing scenarios")]
private static void EnsureSettingsLoaded()
{
if (!settingsInitalized)
{
lock (appSettingsLock)
{
if (!settingsInitalized)
{
NameValueCollection appSettingsSection = null;
try
{
appSettingsSection = ConfigurationManager.AppSettings;
}
catch (ConfigurationErrorsException)
{
}
finally
{
if ((appSettingsSection == null) || !bool.TryParse(appSettingsSection[UseClassicReadEntityBodyModeString], out useClassicReadEntityBodyMode))
{
useClassicReadEntityBodyMode = false;
}
settingsInitalized = true;
}
}
}
}
}
}
}
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