/// <summary>
/// Converts standard Stream to IDataStream.
/// </summary>
/// <param name="stream">Stream to convert. Must be readable.</param>
/// <returns></returns>
/// <remarks>
/// Note that if stream doesn't support seeking then it will be read entirely to memory.
/// </remarks>
public static IDataStream ToIDataStream(Stream stream)
{
if (!stream.CanRead)
{
throw new ArgumentException("Stream must be readable!");
}
if (stream.CanSeek)
{
return(new FromStream(stream));
}
else
{
var list = new StreamList();
int bytesRead = 0;
var buffer = new byte[4096];
do
{
// ByteArray's constructor copies the data, so there is no need to clear the buffer
bytesRead = stream.Read(buffer, 0, buffer.Length);
if (bytesRead > 0)
{
list.Add(new ByteArray(buffer, 0, bytesRead));
}
} while (bytesRead > 0);
list.Freeze();
return(list);
}
}
/// <summary>
/// Returns resulting IDataStream, the builder cannot be used anymore after calling this method.
/// </summary>
/// <returns></returns>
public IDataStream Close()
{
logger = null;
if (length >= threshold)
{
return(fileBuilder.Close());
}
list.Freeze();
return(list);
}
