38 lines
1.2 KiB
C#
38 lines
1.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.Threading.Tasks;
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namespace FlowScope.Config
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{
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public sealed class InMemoryConfigSource : IConfigSource
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{
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private readonly Dictionary<string, string> _files;
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public InMemoryConfigSource(
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IReadOnlyDictionary<string, string> files,
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string name = "InMemory")
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{
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_files = files != null
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? new Dictionary<string, string>(files)
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: throw new ArgumentNullException(nameof(files));
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Name = string.IsNullOrWhiteSpace(name)
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? throw new ArgumentException("Config source name is required.", nameof(name))
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: name;
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}
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public string Name { get; }
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public Task<string> LoadTextAsync(string fileName, CancellationToken cancellationToken)
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{
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cancellationToken.ThrowIfCancellationRequested();
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if (!_files.TryGetValue(fileName, out var text))
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{
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throw new InvalidOperationException($"Config file is missing: {fileName}");
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}
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return Task.FromResult(text);
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}
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}
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}
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