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Use TryAdd to add services

This commit is contained in:
Ajay Bhargav Baaskaran 2017-03-15 17:54:34 -07:00
parent 6a61e10a4b
commit 1ce7fc7245
1 changed files with 6 additions and 6 deletions
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12
src/Microsoft.AspNetCore.DataProtection/DataProtectionServiceCollectionExtensions.cs
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@ -66,7 +66,7 @@ namespace Microsoft.Extensions.DependencyInjection
if (OSVersionUtil.IsWindows())
{
services.AddSingleton<RegistryPolicyResolver>();
services.TryAddSingleton<RegistryPolicyResolver>();
}
services.TryAddEnumerable(
@ -74,13 +74,13 @@ namespace Microsoft.Extensions.DependencyInjection
services.TryAddEnumerable(
ServiceDescriptor.Transient<IConfigureOptions<DataProtectionOptions>, DataProtectionOptionsSetup>());
services.AddSingleton<IKeyManager, XmlKeyManager>();
services.TryAddSingleton<IKeyManager, XmlKeyManager>();
// Internal services
services.AddSingleton<IDefaultKeyResolver, DefaultKeyResolver>();
services.AddSingleton<IKeyRingProvider, KeyRingProvider>();
services.TryAddSingleton<IDefaultKeyResolver, DefaultKeyResolver>();
services.TryAddSingleton<IKeyRingProvider, KeyRingProvider>();
services.AddSingleton<IDataProtectionProvider>(s =>
services.TryAddSingleton<IDataProtectionProvider>(s =>
{
var dpOptions = s.GetRequiredService<IOptions<DataProtectionOptions>>();
var keyRingProvider = s.GetRequiredService<IKeyRingProvider>();
@ -99,7 +99,7 @@ namespace Microsoft.Extensions.DependencyInjection
});
#if !NETSTANDARD1_3 // [[ISSUE60]] Remove this #ifdef when Core CLR gets support for EncryptedXml
services.AddSingleton<ICertificateResolver, CertificateResolver>();
services.TryAddSingleton<ICertificateResolver, CertificateResolver>();
#endif
}
}