/* func */
/// <summary>
/// 获取目标 <see cref="Controller"/> 子继承类型中，所有具有 <see cref="WebAPIAttribute"/> + <see cref="ActionMethodSelectorAttribute"/> 特性的公开实例方法
/// <para>如果不满足 <see cref="Controller"/> 子继承类型，返回空迭代器</para>
/// <para>如果不具有满足条件的方法，返回空迭代器</para>
/// </summary>
/// <param name="type">目标类型</param>
/// <returns>WebAPI 实例</returns>
public static IEnumerable <WebAPIAttribute> GetWebAPI(Type type)
{
if (!typeof(Controller).IsAssignableFrom(type) ||
type.IsAbstract)
{
yield break;
}
foreach (MethodInfo methodInfo in type.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly))
{
WebAPIAttribute webAPIAttribute = methodInfo.GetCustomAttribute <WebAPIAttribute>();
if (webAPIAttribute == null)
{
continue;
}
ActionMethodSelectorAttribute actionMethodSelector = methodInfo.GetCustomAttribute <ActionMethodSelectorAttribute>(true);
if (actionMethodSelector != null)
{
webAPIAttribute.BindMethodInfo = methodInfo;
yield return(webAPIAttribute);
}
}
}
/// <summary>
/// Gets the accept verbs of an action
/// </summary>
/// <param name="methodInfo">The action's method information</param>
/// <returns></returns>
public static string GetAcceptVerbs(MethodInfo methodInfo)
{
if (!methodInfo.IsPublic)
{
return("[None]");
}
ActionMethodSelectorAttribute attribute = methodInfo.GetCustomAttributes(typeof(ActionMethodSelectorAttribute), true).Cast <ActionMethodSelectorAttribute>().FirstOrDefault();
if (attribute == null)
{
return("All");
}
if (attribute is AcceptVerbsAttribute)
{
return(((AcceptVerbsAttribute)attribute).Verbs.StringJoin());
}
if (attribute is HttpDeleteAttribute)
{
return(HttpVerbs.Delete.ToString());
}
if (attribute is HttpGetAttribute)
{
return(HttpVerbs.Get.ToString());
}
if (attribute is HttpHeadAttribute)
{
return(HttpVerbs.Head.ToString());
}
if (attribute is HttpOptionsAttribute)
{
return(HttpVerbs.Options.ToString());
}
if (attribute is HttpPatchAttribute)
{
return(HttpVerbs.Patch.ToString());
}
if (attribute is HttpPostAttribute)
{
return(HttpVerbs.Post.ToString());
}
if (attribute is HttpPutAttribute)
{
return(HttpVerbs.Put.ToString());
}
if (attribute is NonActionAttribute)
{
return(string.Empty);
}
return(string.Empty);
}
