40 lines
1.5 KiB
C#
40 lines
1.5 KiB
C#
using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Hosting;
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namespace MAX.Plugins;
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/// <summary>插件独立配置，不合并宿主或其他插件配置。</summary>
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public sealed class PluginContext : IDisposable
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{
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private int disposed;
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public string Id { get; }
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public string DirectoryPath { get; }
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public IHostEnvironment Environment { get; }
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public IConfigurationRoot Configuration { get; }
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public PluginContext(string id, string directoryPath, IHostEnvironment environment)
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{
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ArgumentException.ThrowIfNullOrWhiteSpace(id);
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ArgumentNullException.ThrowIfNull(environment);
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Id = id;
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DirectoryPath = Path.GetFullPath(directoryPath);
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Environment = environment;
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Configuration = new ConfigurationBuilder()
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.SetBasePath(DirectoryPath)
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.AddJsonFile("appsettings.json", optional: false, reloadOnChange: false)
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.AddJsonFile($"appsettings.{environment.EnvironmentName}.json", optional: true, reloadOnChange: false)
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.AddEnvironmentVariables($"Plugins__{id}__")
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.Build();
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}
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public string RequireConfiguration(string key) =>
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!string.IsNullOrWhiteSpace(Configuration[key]) ? Configuration[key]!
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: throw new InvalidOperationException($"插件 {Id} 缺少配置 {key}，请检查 {Path.Combine(DirectoryPath, "appsettings.json")}。");
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public void Dispose()
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{
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if (Interlocked.Exchange(ref disposed, 1) == 0)
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(Configuration as IDisposable)?.Dispose();
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}
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}
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