private static byte[] BZip2Decompress(Stream data, int expectedLength)
{
using (MemoryStream output = new MemoryStream(expectedLength))
{
#if WITH_DOTNETZIP
using (var stream = new Ionic.BZip2.BZip2InputStream(data, false))
{
stream.CopyTo(output);
}
#elif WITH_BZIP2NET
using (var stream = new Bzip2.BZip2InputStream(data, false))
{
stream.CopyTo(output);
}
#elif WITH_SHARPCOMPRESS
/*
* using (var stream = new SharpCompress.Compressors.BZip2.BZip2Stream(data, SharpCompress.Compressors.CompressionMode.Decompress, false))
* {
* stream.CopyTo(output);
* }
*/
#elif WITH_SHARPZIPLIB
ICSharpCode.SharpZipLib.BZip2.BZip2.Decompress(data, output, true);
#else
throw new NotImplementedException("Please define which compression library you want to use");
#endif
return(output.ToArray());
}
}
public static void Handle(Uri fileName, Action <Stream> parse)
{
if (fileName.IsFile && fileName.AbsoluteUri.EndsWith(".bz") || fileName.IsFile && fileName.AbsoluteUri.EndsWith(".bz2"))
{
using (FileStream fileStream = new FileStream(fileName.OriginalString, FileMode.Open))
{
var inputStream = new Bzip2.BZip2InputStream(fileStream, false);
parse(inputStream);
}
}
else if (fileName.IsFile && fileName.AbsoluteUri.EndsWith(".xml"))
{
using (FileStream fileStream = new FileStream(fileName.OriginalString, FileMode.Open))
{
parse(fileStream);
}
}
else
{
WebRequest request = WebRequest.Create(fileName);
Stream stream = request.GetResponse().GetResponseStream();
if (stream != null)
{
using (StreamReader streamReader = new StreamReader(stream, true))
{
if (fileName.AbsoluteUri.EndsWith(".bz") || fileName.AbsoluteUri.EndsWith(".bz2"))
{
var inputStream = new Bzip2.BZip2InputStream(streamReader.BaseStream, false);
parse(inputStream);
}
else if (fileName.AbsoluteUri.EndsWith(".xml"))
{
parse(streamReader.BaseStream);
}
}
}
}
}