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Archiving.cs
51 lines (49 loc) · 2.05 KB
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Archiving.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Compression3
{
class Archiving
{
public void Compress(FileInfo FileToCompress,ListBox List)
{
using (FileStream originalFileStream = FileToCompress.OpenRead())
{
if ((File.GetAttributes(FileToCompress.FullName) & FileAttributes.Hidden) != FileAttributes.Hidden & FileToCompress.Extension != ".gz")
{
using (FileStream compressedFileStream = File.Create(FileToCompress.FullName + ".gz"))
{
using (GZipStream compressionStream = new GZipStream(compressedFileStream, CompressionMode.Compress))
{
originalFileStream.CopyTo(compressionStream);
List.Items.Add("Compressed " + FileToCompress.Name + " From " + FileToCompress.Length + " to " + compressedFileStream.Length);
}
}
}
}
}
public void Extract(FileInfo FileToDecompress)
{
using (FileStream originalStream = FileToDecompress.OpenRead())
{
string currentFileName = FileToDecompress.FullName;
string newFileName = currentFileName.Remove(currentFileName.Length - FileToDecompress.Extension.Length);
using (FileStream DecompressedFileStream = File.Create(newFileName))
{
using (GZipStream DecompressionStream = new GZipStream(originalStream,CompressionMode.Decompress))
{
if (FileToDecompress.Extension ==".gz")
{
DecompressionStream.CopyTo(DecompressedFileStream);
}
}
}
}
}
}
}