public static void ExtractToDirectory(string sourceArchiveFileName, string destinationDirectoryName, IProgress <double> progress)
{
using (ZipArchive archive = ZipFile.OpenRead(sourceArchiveFileName))
{
double totalBytes = archive.Entries.Sum(e => e.Length);
long currentBytes = 0;
foreach (ZipArchiveEntry entry in archive.Entries)
{
string fileName = Path.Combine(destinationDirectoryName, entry.FullName);
Directory.CreateDirectory(Path.GetDirectoryName(fileName));
using (Stream inputStream = entry.Open())
using (Stream outputStream = File.OpenWrite(fileName))
{
Stream progressStream = new StreamWithProgress(outputStream, null,
new BasicProgress <int>(i =>
{
currentBytes += i;
// progress.Report(currentBytes / totalBytes);
}));
inputStream.CopyTo(progressStream);
}
File.SetLastWriteTime(fileName, entry.LastWriteTime.LocalDateTime);
}
}
}
public static void CreateFromDirectory(string sourceDirectoryName, string destinationArchiveFileName, IProgress <double> progress, CancellationToken cts)
{
sourceDirectoryName = Path.GetFullPath(sourceDirectoryName);
FileInfo[] sourceFiles = new DirectoryInfo(sourceDirectoryName).GetFiles("*", SearchOption.AllDirectories);
double totalBytes = sourceFiles.Sum(f => f.Length);
long currentBytes = 0;
using (ZipArchive archive = ZipFile.Open(destinationArchiveFileName, ZipArchiveMode.Create))
{
foreach (FileInfo file in sourceFiles)
{
if (cts.IsCancellationRequested)
{
return;
}
// NOTE: naive method to get sub-path from file name, relative to
// input directory. Production code should be more robust than this.
// Either use Path class or similar to parse directory separators and
// reconstruct output file name, or change this entire method to be
// recursive so that it can follow the sub-directories and include them
// in the entry name as they are processed.
string entryName = file.FullName.Substring(sourceDirectoryName.Length + 1);
ZipArchiveEntry entry = archive.CreateEntry(Path.GetFullPath(sourceDirectoryName).TrimEnd(Path.DirectorySeparatorChar).Split(Path.DirectorySeparatorChar).Last() + @"\" + entryName, CompressionLevel.Fastest);
entry.LastWriteTime = file.LastWriteTime;
using (Stream inputStream = File.OpenRead(file.FullName))
using (Stream outputStream = entry.Open())
{
Stream progressStream = new StreamWithProgress(inputStream,
new BasicProgress <int>(i =>
{
currentBytes += i;
progress.Report(currentBytes / totalBytes);
}), null);
progressStream.CopyTo(outputStream);
}
}
}
}
