/// <summary>Downloads the resource with the specified URI as a byte array, asynchronously.</summary>
/// <param name="webClient">The WebClient.</param>
/// <param name="address">The URI from which to download data.</param>
/// <returns>A Task that contains the downloaded data.</returns>
public static Task <byte[]> DownloadDataTask(this WebClient webClient, string address)
{
return(webClient.DownloadDataTask(new Uri(address)));
}
/// <summary>
/// 지정된 경로에서 리소스를 읽어오는 Task{byte[]}를 빌드합니다.
/// </summary>
private static Task<byte[]> ReadFileTask(HttpContext context, string virtualPath) {
virtualPath.ShouldNotBeWhiteSpace("virtualPath");
Task<byte[]> task = null;
if(IsDebugEnabled)
log.Debug("지정된 경로에서 리소스를 읽어오는 Task<byte[]>를 빌드합니다. virtualPath=[{0}]", virtualPath);
// 외부경로의 리소스라면, 다운로드 받는다.
if(IsWebResource(virtualPath)) {
var webClient = new WebClient();
task = webClient.DownloadDataTask(virtualPath);
task.ContinueWith(_ => webClient.Dispose(), TaskContinuationOptions.ExecuteSynchronously);
}
else {
var path = FileTool.GetPhysicalPath(virtualPath);
task = path.FileExists()
? FileAsync.ReadAllBytes(FileTool.GetPhysicalPath(virtualPath))
: Task.Factory.FromResult(new byte[0]);
}
return task;
}
