/// <summary>
/// Gets attachment stream.
/// </summary>
/// <returns>Returns attachment stream.</returns>
internal Stream GetStream()
{
if (m_pStream == null)
{
m_pStream = File.OpenRead(m_FileName);
}
if (m_ZipCompress)
{
#if NET20 || NET35 || NET40
throw new InvalidOperationException("Not supported lower framework version than 4.5.");
#else
SwapableStream retVal = new SwapableStream();
using (ZipArchive archive = new ZipArchive(retVal, ZipArchiveMode.Create)){
ZipArchiveEntry entry = archive.CreateEntry(m_Name, CompressionLevel.Optimal);
using (Stream zipStream = entry.Open()){
Net_Utils.StreamCopy(m_pStream, zipStream, 64000);
}
}
retVal.Position = 0;
CloseStream();
return(retVal);
#endif
}
return(m_pStream);
}
/// <summary>
/// Sets body data from the specified stream.
/// </summary>
/// <param name="stream">Source stream.</param>
/// <param name="transferEncoding">Specifies content-transfer-encoding to use to encode data.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b> or <b>transferEncoding</b> is null reference.</exception>
/// <exception cref="InvalidOperationException">Is raised when this method is accessed and this body is not bounded to any entity.</exception>
public void SetData(Stream stream, string transferEncoding)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (transferEncoding == null)
{
throw new ArgumentNullException("transferEncoding");
}
if (string.Equals(transferEncoding, MIME_TransferEncodings.QuotedPrintable, StringComparison.InvariantCultureIgnoreCase))
{
using (SwapableStream fs = new SwapableStream()){
QuotedPrintableStream encoder = new QuotedPrintableStream(new SmartStream(fs, false), FileAccess.ReadWrite);
Net_Utils.StreamCopy(stream, encoder, 84000);
encoder.Flush();
fs.Position = 0;
SetEncodedData(transferEncoding, fs);
}
}
else if (string.Equals(transferEncoding, MIME_TransferEncodings.Base64, StringComparison.InvariantCultureIgnoreCase))
{
using (SwapableStream fs = new SwapableStream()){
Base64Stream encoder = new Base64Stream(fs, false, true, FileAccess.ReadWrite);
Net_Utils.StreamCopy(stream, encoder, 84000);
encoder.Finish();
fs.Position = 0;
SetEncodedData(transferEncoding, fs);
}
}
else if (string.Equals(transferEncoding, MIME_TransferEncodings.Binary, StringComparison.InvariantCultureIgnoreCase))
{
SetEncodedData(transferEncoding, stream);
}
else if (string.Equals(transferEncoding, MIME_TransferEncodings.EightBit, StringComparison.InvariantCultureIgnoreCase))
{
SetEncodedData(transferEncoding, stream);
}
else if (string.Equals(transferEncoding, MIME_TransferEncodings.SevenBit, StringComparison.InvariantCultureIgnoreCase))
{
SetEncodedData(transferEncoding, stream);
}
else
{
throw new NotSupportedException("Not supported Content-Transfer-Encoding '" + transferEncoding + "'.");
}
}
