/// <summary>
/// 强制清除token以支持下次获取到新的token
/// </summary>
public void ClearToken()
{
using (this.asyncRoot.Lock())
{
this.token = null;
}
}
/// <summary>
/// 获取token信息
/// </summary>
/// <returns></returns>
public async Task <TokenResult> GetTokenAsync()
{
using (await this.asyncRoot.LockAsync().ConfigureAwait(false))
{
if (this.token == null)
{
this.token = await this.RequestTokenAsync().ConfigureAwait(false);
}
else if (this.token.IsExpired() == true)
{
this.token = this.token.CanRefresh() == true
? await this.RefreshTokenAsync(this.token.Refresh_token).ConfigureAwait(false)
: await this.RequestTokenAsync().ConfigureAwait(false);
}
if (this.token == null)
{
throw new TokenNullException();
}
return(this.token.EnsureSuccess());
}
}