本文整理汇总了C#中IPackageFileService.DownloadPackageFileAsync方法的典型用法代码示例。如果您正苦于以下问题：C# IPackageFileService.DownloadPackageFileAsync方法的具体用法？C# IPackageFileService.DownloadPackageFileAsync怎么用？C# IPackageFileService.DownloadPackageFileAsync使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IPackageFileService的用法示例。
在下文中一共展示了IPackageFileService.DownloadPackageFileAsync方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetPackageFromCacheOrDownloadIt
/// <summary>
/// Look for the INupkg instance in the cache first. If it's in the cache, return it.
/// Otherwise, download the package from the storage service and store it into the cache.
/// </summary>
public static async Task<INupkg> GetPackageFromCacheOrDownloadIt(
Package package,
IPackageCacheService cacheService,
IPackageFileService packageFileService)
{
Debug.Assert(package != null);
Debug.Assert(cacheService != null);
Debug.Assert(packageFileService != null);
string cacheKey = CreateCacheKey(package.PackageRegistration.Id, package.Version);
byte[] buffer = cacheService.GetBytes(cacheKey);
if (buffer == null)
{
// In the past, some very old packages can specify an external package binary not hosted at nuget.org.
// We no longer allow that today.
if (!String.IsNullOrEmpty(package.ExternalPackageUrl))
{
var httpClient = new HttpClient();
using (var responseStream = await httpClient.GetStreamAsync(package.ExternalPackageUrl))
{
buffer = responseStream.ReadAllBytes();
}
}
else
{
using (Stream stream = await packageFileService.DownloadPackageFileAsync(package))
{
if (stream == null)
{
throw new InvalidOperationException("Couldn't download the package from the storage.");
}
buffer = stream.ReadAllBytes();
}
}
cacheService.SetBytes(cacheKey, buffer);
}
return new Nupkg(new MemoryStream(buffer), leaveOpen: false);
}