private static BasicWrapper.WrapperDelegate delegateConverter(StreamFactoryDelegate streamFactory)
{
return(delegate(IDataStream s)
{
Stream baseStream;
if (s.Length > 50 * 1024 * 1024)
{
baseStream = new FileStream(Path.GetTempFileName(), FileMode.Create, FileAccess.ReadWrite, FileShare.None, 4096, FileOptions.DeleteOnClose);
}
else
{
baseStream = new MemoryStream();
}
using (var compression = streamFactory(baseStream))
{
var tmpStream = new ToStream(s);
tmpStream.CopyTo(compression);
}
var ret = FromStream.ToIDataStream(baseStream);
if (ret.Length > 5 * 1024 * 1024)
{
return new LazyLoggedFile(ret);
}
else
{
return new ByteArray(ret);
}
});
}
private static BasicWrapper.WrapperDelegate delegateConverter(StreamFactoryDelegate streamFactory)
{
return(delegate(IDataStream s)
{
var ret = new FromUnseekableStream(delegate() { return streamFactory(new ToStream(s)); });
if (ret.Length > 5 * 1024 * 1024)
{
return new LazyLoggedFile(ret);
}
else
{
return new ByteArray(ret);
}
});
}
public CompressionStreamWrapper(StreamFactoryDelegate d, string wrapperName, params object[] wrapperParams) :
base(delegateConverter(d), wrapperName, wrapperParams)
{
}
