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using Apewer.Network;
using System;
using System.Collections.Generic;
using System.Net;
using System.Reflection;
namespace Apewer.Web
{
/// <summary>API 调用器。</summary>
public sealed class ApiInvoker
{
#region
private static ApiInvoker _default = new ApiInvoker();
/// <summary>默认调用器实例。</summary>
public static ApiInvoker Default { get => _default; }
#endregion
object _locker = new object();
bool _initialized = false;
/// <summary>获取或设置要使用的 API 入口。</summary>
public ApiEntries Entries { get; set; }
/// <summary>获取或设置 Logger。</summary>
public Logger Logger { get; set; }
/// <summary>获取或设置选项。</summary>
public ApiOptions Options { get; set; }
/// <summary>异常捕获程序。</summary>
public Action<ApiCatch> Catcher { get; set; }
/// <summary>输出前的检查。</summary>
public ApiPreOutput PreOutput { get; set; }
/// <summary>执行初始化程序,每个 ApiInvoker 实例仅执行一次初始化。</summary>
public void Initialize(Action action)
{
if (action == null) return;
lock (_locker)
{
if (_initialized) return;
action.Invoke();
_initialized = true;
}
}
/// <summary>发起调用。</summary>
/// <exception cref="ArgumentNullException" />
public void Invoke(ApiProvider provider)
{
if (provider == null) throw new ArgumentNullException(nameof(provider));
var entries = Entries;
if (entries == null) entries = ApiEntries.AppDomain();
Entries = entries;
Invoke(provider, entries);
}
/// <summary>发起调用。</summary>
/// <exception cref="ArgumentNullException" />
public void Invoke(ApiProvider provider, ApiEntries entries)
{
if (provider == null) throw new ArgumentNullException(nameof(provider));
if (entries == null) throw new ArgumentNullException(nameof(entries));
var context = new ApiContext(this, provider, entries);
var processor = new ApiProcessor(context);
processor.Run();
}
}
}