public override IEnumerable<PvcStream> Execute(IEnumerable<PvcStream> inputStreams)
{
var resultStreams = new List<PvcStream>();
foreach (var inputStream in inputStreams)
{
ZipFile zip = ZipFile.Read(inputStream);
foreach (ZipEntry e in zip)
{
var outputStream = new ZipMemoryStream();
if (!String.IsNullOrEmpty(_password))
{
e.Password = _password;
}
e.Extract(outputStream);
var resultStream = new PvcStream(() => outputStream);
resultStream.Tags.Add("unzipped");
resultStreams.Add(resultStream.As(e.FileName));
}
};
return resultStreams;
}
public override IEnumerable<PvcStream> Execute(IEnumerable<PvcStream> inputStreams)
{
//Not using .Any() to avoid multiple enumeration and to avoid converting the enumerable to list. Using good old bool set check.
var hasAnyStream = false;
var copyToStream = new MemoryStream();
foreach (var inputStream in inputStreams)
{
hasAnyStream = true;
inputStream.Position = 0;
inputStream.CopyTo(copyToStream);
}
if (!hasAnyStream)
{
return Enumerable.Empty<PvcStream>();
}
var returnStream = new PvcStream(() => copyToStream)
{
Position = 0
};
return new[]
{
returnStream.As(_resultName)
};
}