public static void Zip(string output, FileCollection files, MemoryFileCollection memoryFiles)
{
System.IO.DirectoryInfo directoryInfo = new System.IO.FileInfo(output).Directory;
if (!directoryInfo.Exists)
{
directoryInfo.Create();
}
using (System.IO.FileStream fileStream = System.IO.File.Create(output))
{
NZlib.Zip.ZipOutputStream zipOutputStream = new NZlib.Zip.ZipOutputStream(fileStream);
zipOutputStream.SetLevel(ZIP_LEVEL);
//Files
foreach (File file in files)
{
AddFile(zipOutputStream, file);
}
//MemoryFiles
foreach (MemoryFile memoryFile in memoryFiles)
{
Add(zipOutputStream, memoryFile.Name, memoryFile.DateTime, memoryFile.Bytes.Length, memoryFile.Bytes);
}
zipOutputStream.Finish();
zipOutputStream.Close();
fileStream.Close();
}
}
private static void Add(NZlib.Zip.ZipOutputStream zipOutputStream, string name, System.DateTime dateTime, long size, byte[] buffer)
{
NZlib.Zip.ZipEntry zipEntry = new NZlib.Zip.ZipEntry(name);
zipEntry.DateTime = dateTime;
if (ZIP_LEVEL == 0)
{
zipEntry.Size = size;
// calculate crc32 of current file
NZlib.Checksums.Crc32 crc = new NZlib.Checksums.Crc32();
crc.Update(buffer);
zipEntry.Crc = crc.Value;
}
zipOutputStream.PutNextEntry(zipEntry);
zipOutputStream.Write(buffer, 0, buffer.Length);
}
private static void AddFile(NZlib.Zip.ZipOutputStream zipOutputStream, File file)
{
System.IO.FileInfo fileInfo = new System.IO.FileInfo(file.Path);
System.IO.FileStream fileStream = System.IO.File.OpenRead(fileInfo.FullName);
System.DateTime dateTime = fileInfo.LastWriteTime;
long filesize = fileInfo.Length;
byte[] buffer = new byte[fileStream.Length];
fileStream.Read(buffer, 0, buffer.Length);
fileStream.Close();
Add(zipOutputStream, file.Name, dateTime, filesize, buffer);
}
