private async Task ResourceHandler(IHtmlNode referenceNode, string attributeName, string localPath, string prefix)
{
var referenceUri = new Uri(baseUri, referenceNode.Attributes[attributeName].Value);
var localReference = Path.Combine(localPath, prefix + referenceUri.ToString().GetHashCode().ToString() + Path.GetExtension(referenceUri.LocalPath.Replace(@"/", @"\")));
referenceNode.Attributes[attributeName].Value = localReference;
if (map.TryAdd(referenceUri.ToString(), localReference))
{
using (var stream = fileSystem.OpenStreamFor(localReference))
{
await loader.DownloadAsync(referenceUri.ToString(), stream);
}
}
}
public async Task DownloadAsync(string uri, Stream stream)
{
if (Interlocked.Increment(ref threadCount) >= parallelRestrictNumber)
{
synchronizer.WaitOne();
}
try
{
Interlocked.Increment(ref activeThreadCount);
await loader.DownloadAsync(uri, stream);
}
finally
{
Interlocked.Decrement(ref activeThreadCount);
Interlocked.Decrement(ref threadCount);
synchronizer.Set();
}
}
public void Initialize()
{
loader = new LoaderFromResource();
loaderMoq = new Mock <IWebLoader>();
loaderMoq.Setup(m => m.DownloadAsync(It.IsAny <string>(), It.IsAny <Stream>())).Returns <string, Stream>((uri, stream) => loader.DownloadAsync(uri, stream));
fileSystemMoq = new Mock <IFileSystemWrapper>();
fileSystemMoq.Setup(m => m.OpenStreamFor(It.IsAny <string>())).Returns(() => new MemoryStream());
}
