private static void DeCompressArchive(string sourceFile, string dstDir, CompressionTechnique compressionTechnique)
{
TarArchive archive = null;
Stream inStream = null;
try
{
switch (compressionTechnique)
{
case CompressionTechnique.Gzip:
inStream = new GZipInputStream(File.OpenRead(sourceFile));
break;
case CompressionTechnique.BZip2:
inStream = new BZip2InputStream(File.OpenRead(sourceFile));
break;
default:
Console.WriteLine("Unknown Compression Technique.");
break;
}
if (inStream == null)
{
Console.WriteLine(string.Format("Error reading {0} ", sourceFile));
return;
}
TarInputStream tarIn = new TarInputStream(inStream);
archive = TarArchive.CreateInputTarArchive(tarIn);
if (!string.IsNullOrEmpty(dstDir))
{
archive.ExtractContents(dstDir);
}
else
{
archive.ExtractContents("./");
}
archive.Close();
}
catch (Exception ex)
{
Console.WriteLine(string.Format("Error extracting {0} ", sourceFile));
Console.WriteLine(string.Format("Exception message {0}", ex.Message));
Usage();
}
finally
{
if (archive != null)
{
archive.Close();
}
}
}
private static void JustDecompress(string sourceFile, CompressionTechnique compressionTechnique)
{
Stream inStream = null;
try
{
switch (compressionTechnique)
{
case CompressionTechnique.Gzip:
inStream = new GZipInputStream(File.OpenRead(sourceFile));
break;
case CompressionTechnique.BZip2:
inStream = new BZip2InputStream(File.OpenRead(sourceFile));
break;
default:
Console.WriteLine("Unknown Compression Technique.");
break;
}
if (inStream == null)
{
Console.WriteLine(string.Format("Error reading {0} ", sourceFile));
return;
}
using (inStream)
using (FileStream outStream = File.Create(Path.GetFileNameWithoutExtension(sourceFile)))
{
byte[] buffer = new byte[4096];
StreamUtils.Copy(inStream, outStream, buffer);
}
}
catch (Exception ex)
{
Console.WriteLine(string.Format("Error extracting {0} ", sourceFile));
Console.WriteLine(string.Format("Exception message {0}", ex.Message));
Usage();
}
}
