/// <summary>
/// Converts the <see cref="ITask{TResult}"/> instance into a <see cref="Task{TResult}"/>.
/// </summary>
/// <param name="task">
/// The task to convert.
/// </param>
/// <typeparam name="TResult">
/// The type of the result of the task.
/// </typeparam>
/// <returns>
/// The <see cref="Task{TResult}"/>.
/// </returns>
public static async Task <TResult> AsTask <TResult>(this ITask <TResult> task)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
return(await task.ConfigureAwait(false));
}
/// <summary>
/// Converts the <see cref="ITask"/> instance into a <see cref="Task"/>.
/// </summary>
/// <param name="task">
/// The task to convert.
/// </param>
/// <returns>
/// The <see cref="Task"/>.
/// </returns>
public static async Task AsTask(this ITask task)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
await task.ConfigureAwait(false);
}
/// <summary>
/// 当请求异常时返回默认值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="task"></param>
/// <returns></returns>
public static async Task <T> ExceptionThenDefault <T>(this ITask <T> task)
{
try
{
return(await task.ConfigureAwait(false));
}
catch (Exception)
{
return(default);
private static async ITask <int> UseGenericITaskAsync()
{
ITask <int> task = TaskAdapter <int> .Factory.StartNew(() => 43);
var result = await task.ConfigureAwait(false);
Console.WriteLine($"ITask<int> returned {result}");
return(result);
}
/// <summary>
/// Converts the <see cref="ITask{TResult}"/> instance into a <see cref="Task{TResult}"/>.
/// </summary>
/// <param name="task">
/// The task to convert.
/// </param>
/// <typeparam name="TResult">
/// The type of the result of the task.
/// </typeparam>
/// <returns>
/// The <see cref="Task{TResult}"/>.
/// </returns>
public static async Task <TResult> AsTask <TResult>(this ITask <TResult> task)
{
return(await task.ConfigureAwait(false));
}
/// <summary>
/// Converts the <see cref="ITask"/> instance into a <see cref="Task"/>.
/// </summary>
/// <param name="task">
/// The task to convert.
/// </param>
/// <returns>
/// The <see cref="Task"/>.
/// </returns>
public static async Task AsTask(this ITask task)
{
await task.ConfigureAwait(false);
}
/// <summary>
/// 保存到目标流
/// </summary>
/// <param name="response"></param>
/// <param name="targetStream">流</param>
/// <exception cref="ArgumentNullException"></exception>
/// <returns></returns>
public static async Task SaveAsync(this ITask <HttpResponseMessage> response, Stream targetStream)
{
var res = await response.ConfigureAwait(false);
await res.SaveAsync(targetStream).ConfigureAwait(false);
}
/// <summary>
/// 保存到目标文件
/// </summary>
/// <param name="response"></param>
/// <param name="filePath">文件路径</param>
/// <exception cref="ArgumentNullException"></exception>
/// <returns></returns>
public static async Task SaveAsync(this ITask <HttpResponseMessage> response, string filePath)
{
var res = await response.ConfigureAwait(false);
await res.SaveAsync(filePath).ConfigureAwait(false);
}