public static byte[] Compress(byte[] data, int blockSize)
{
MemoryStream strm = new MemoryStream(data);
MemoryStream ostrm = new MemoryStream();
BZip2OutputStream bzos = new BZip2OutputStream(ostrm, blockSize);
int ch = strm.ReadByte();
while (ch != -1)
{
bzos.WriteByte((byte)ch);
ch = strm.ReadByte();
}
return(ostrm.GetBuffer());
}
/// <summary>
/// Compress <paramref name="instream">input stream</paramref> sending
/// result to <paramref name="outputstream">output stream</paramref>
/// </summary>
public static void Compress(Stream instream, Stream outstream, int blockSize)
{
System.IO.Stream bos = outstream;
System.IO.Stream bis = instream;
int ch = bis.ReadByte();
BZip2OutputStream bzos = new BZip2OutputStream(bos, blockSize);
while (ch != -1)
{
bzos.WriteByte((byte)ch);
ch = bis.ReadByte();
}
bis.Close();
bzos.Close();
}
/// <summary>
/// Compress <paramref name="inStream">input stream</paramref> sending
/// result to <paramref name="outStream">output stream</paramref>
/// </summary>
/// <param name="inStream">The stream to compress.</param>
/// <param name="outStream">The stream to write compressed data to.</param>
/// <param name="blockSize">The block size to use.</param>
/// <remarks>Both streams are closed on completion</remarks>
public static void Compress(Stream inStream, Stream outStream, int blockSize)
{
if (inStream == null)
{
throw new ArgumentNullException("inStream");
}
if (outStream == null)
{
throw new ArgumentNullException("outStream");
}
using ( inStream ) {
using (BZip2OutputStream bzos = new BZip2OutputStream(outStream, blockSize)) {
int ch = inStream.ReadByte();
while (ch != -1)
{
bzos.WriteByte((byte)ch);
ch = inStream.ReadByte();
}
}
}
}
