Files
DDUtility/DDUtilityApp/TEST/FrmTest01.cs
2025-02-03 11:02:48 +09:00

106 lines
3.5 KiB
C#

using EIS.Framework.Service.GEM;
using JWH;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Runtime.Serialization.Formatters.Binary;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace DDUtilityApp.TEST
{
public partial class FrmTest01 : Form
{
public string FileName { get; set; }
public FrmTest01()
{
InitializeComponent();
this.SetLayout();
this.SetEventHandler();
}
protected void SetLayout()
{
}
protected void SetEventHandler()
{
this.button1.Click += Button1_Click;
this.button2.Click += Button2_Click;
}
private void Button1_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
if (dlg.ShowDialog() != DialogResult.OK) return;
this.FileName = dlg.FileName;
}
private void Button2_Click(object sender, EventArgs e)
{
FileInfo file = new FileInfo(this.FileName);
Decompress(file);
}
private static string directoryPath = @".\temp";
public static void Compress(DirectoryInfo directorySelected)
{
foreach (FileInfo fileToCompress in directorySelected.GetFiles())
{
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);
}
}
FileInfo info = new FileInfo(directoryPath + Path.DirectorySeparatorChar + fileToCompress.Name + ".gz");
Console.WriteLine($"Compressed {fileToCompress.Name} from {fileToCompress.Length.ToString()} to {info.Length.ToString()} bytes.");
}
}
}
}
public static void Decompress(FileInfo fileToDecompress)
{
using (FileStream originalFileStream = fileToDecompress.OpenRead())
{
string currentFileName = fileToDecompress.FullName;
string newFileName = currentFileName.Remove(currentFileName.Length - fileToDecompress.Extension.Length);
using (FileStream decompressedFileStream = File.Create(newFileName))
{
using (GZipStream decompressionStream = new GZipStream(originalFileStream, CompressionMode.Decompress))
{
decompressionStream.CopyTo(decompressedFileStream);
Console.WriteLine($"Decompressed: {fileToDecompress.Name}");
}
}
}
}
}
}