/// <inheritdoc />
protected override void CompressInternal(Stream source, Stream target)
{
if (source.CanSeek)
{
source.Position = 0;
}
string entryName = source.GetFileName() ?? "_";
ZipArchive archive = null;
Stream entryStream = null;
try
{
archive = new ZipArchive(target, CompressionMode.ToSystemCompressionMode(), true);
ZipArchiveEntry entry = archive.CreateEntry(entryName, CompressionLevel.ToSystemCompressionLevel());
entry.LastWriteTime = DateTimeOffset.Now;
entryStream = entry.Open();
source.CopyTo(entryStream);
entryStream.Flush();
target.Flush();
}
finally
{
ObjectHelper.Dispose(ref entryStream);
ObjectHelper.Dispose(ref archive);
}
}
/// <inheritdoc />
protected override async Task CompressInternalAsync(Stream source, Stream target, CancellationToken token = default(CancellationToken))
{
token.ThrowIfCancellationRequested();
if (source.CanSeek)
{
source.Position = 0;
}
string entryName = source.GetFileName() ?? "_";
ZipArchive archive = null;
Stream entryStream = null;
try
{
archive = new ZipArchive(target, CompressionMode.ToSystemCompressionMode(), true);
ZipArchiveEntry entry = archive.CreateEntry(entryName, CompressionLevel.ToSystemCompressionLevel());
entry.LastWriteTime = DateTimeOffset.Now;
entryStream = entry.Open();
await source.CopyToAsync(entryStream, Constants.BUFFER_16_KB, token);
await entryStream.FlushAsync(token);
await target.FlushAsync(token);
}
finally
{
ObjectHelper.Dispose(ref entryStream);
ObjectHelper.Dispose(ref archive);
}
}
protected override Task CompressInternalAsync(string sourcePath, string destinationPath, CancellationToken token = default(CancellationToken))
{
token.ThrowIfCancellationRequested();
sourcePath = PathHelper.Trim(sourcePath) ?? throw new ArgumentNullException(nameof(sourcePath));
destinationPath = PathHelper.Trim(destinationPath) ?? throw new ArgumentNullException(nameof(destinationPath));
if (!DirectoryHelper.Ensure(destinationPath))
{
throw new DirectoryNotFoundException();
}
token.ThrowIfCancellationRequested();
string fileName;
string newPath;
if (File.Exists(sourcePath))
{
// compressing one file
fileName = Path.GetFileNameWithoutExtension(sourcePath);
newPath = Path.Combine(destinationPath, fileName + ".zip");
ZipArchive zip = null;
try
{
zip = ZipFile.Open(newPath, CompressionMode.ToSystemCompressionMode(), Encoding.UTF8);
token.ThrowIfCancellationRequested();
zip.CreateEntryFromFile(sourcePath, fileName, CompressionLevel.ToSystemCompressionLevel());
token.ThrowIfCancellationRequested();
}
finally
{
ObjectHelper.Dispose(ref zip);
}
return(Task.CompletedTask);
}
if (!Directory.Exists(sourcePath))
{
throw new NotFoundException("File or directory not found.");
}
fileName = Path.GetDirectoryName(sourcePath);
newPath = Path.Combine(destinationPath, fileName + ".zip");
token.ThrowIfCancellationRequested();
ZipFile.CreateFromDirectory(sourcePath, newPath, CompressionLevel.ToSystemCompressionLevel(), PreserveDirectoryRoot, Encoding.UTF8);
token.ThrowIfCancellationRequested();
return(Task.CompletedTask);
}