ConfigurationExtensions
Provides extension methods for configuration classes.
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Runtime.CompilerServices;
namespace Microsoft.Extensions.Configuration
{
[System.Runtime.CompilerServices.NullableContext(1)]
[System.Runtime.CompilerServices.Nullable(0)]
public static class ConfigurationExtensions
{
public static IConfigurationBuilder Add<[System.Runtime.CompilerServices.Nullable(0)] TSource>(this IConfigurationBuilder builder, [System.Runtime.CompilerServices.Nullable(new byte[] {
2,
1
})] Action<TSource> configureSource) where TSource : IConfigurationSource, new
{
TSource val = new TSource();
configureSource?.Invoke(val);
return builder.Add((IConfigurationSource)(object)val);
}
[return: System.Runtime.CompilerServices.Nullable(2)]
public static string GetConnectionString(this IConfiguration configuration, string name)
{
return configuration?.GetSection("ConnectionStrings")[name];
}
[return: System.Runtime.CompilerServices.Nullable(new byte[] {
1,
0,
1,
2
})]
public static IEnumerable<KeyValuePair<string, string>> AsEnumerable(this IConfiguration configuration)
{
return configuration.AsEnumerable(false);
}
[IteratorStateMachine(typeof(<AsEnumerable>d__3))]
[return: System.Runtime.CompilerServices.Nullable(new byte[] {
1,
0,
1,
2
})]
public static IEnumerable<KeyValuePair<string, string>> AsEnumerable(this IConfiguration configuration, bool makePathsRelative)
{
<AsEnumerable>d__3 <AsEnumerable>d__ = new <AsEnumerable>d__3(-2);
<AsEnumerable>d__.<>3__configuration = configuration;
<AsEnumerable>d__.<>3__makePathsRelative = makePathsRelative;
return <AsEnumerable>d__;
}
[System.Runtime.CompilerServices.NullableContext(2)]
public static bool Exists([System.Diagnostics.CodeAnalysis.NotNullWhen(true)] this IConfigurationSection section)
{
if (section == null)
return false;
if (section.Value == null)
return section.GetChildren().Any();
return true;
}
public static IConfigurationSection GetRequiredSection(this IConfiguration configuration, string key)
{
System.ThrowHelper.ThrowIfNull(configuration, "configuration");
IConfigurationSection section = configuration.GetSection(key);
if (section.Exists())
return section;
throw new InvalidOperationException(System.SR.Format(System.SR.InvalidSectionName, key));
}
}
}