/// <summary>
/// Get the specified asset from the pak file
/// </summary>
public Stream GetAsset(string id, string assetPath)
{
var pkg = this.m_configuration.Repository.GetRepository().Get(id, null);
if (pkg == null)
{
throw new KeyNotFoundException($"Package {id} not found");
}
// Open the package
var unpack = pkg.Unpack();
var assetObject = unpack.Assets.FirstOrDefault(o => o.Name == $"{assetPath}");
if (assetObject == null)
{
throw new FileNotFoundException();
}
RestOperationContext.Current.OutgoingResponse.ContentType = assetObject.MimeType;
byte[] content;
if (assetObject.Content is byte[] bytea)
{
content = bytea;
}
else if (assetObject.Content is String stra)
{
content = System.Text.Encoding.UTF8.GetBytes(stra);
}
else if (assetObject.Content is XElement xela)
{
content = System.Text.Encoding.UTF8.GetBytes(xela.ToString());
}
else if (assetObject.Content is AppletAssetHtml html)
{
content = System.Text.Encoding.UTF8.GetBytes(html.Html.ToString());
}
else
{
throw new InvalidOperationException("Cannot render this type of data");
}
if (Encoding.UTF8.GetString(content as byte[], 0, 4) == "LZIP")
{
using (var ms = new MemoryStream(content as byte[]))
using (var ls = new SharpCompress.Compressors.LZMA.LZipStream(ms, SharpCompress.Compressors.CompressionMode.Decompress))
{
var oms = new MemoryStream();
ls.CopyTo(oms);
oms.Seek(0, SeekOrigin.Begin);
return(oms);
}
}
else
{
return(new MemoryStream(content));
}
}
