public void GetArchiveItems()
{
var currentDirectoryInfo = new DirectoryInfo(AbsolutePath);
foreach (var fileInfo in currentDirectoryInfo.GetFiles())
{
var archiveFile = new ArchiveFile()
{
AbsolutePath = fileInfo.FullName,
RelativePath = RelativePath + @"\" + fileInfo.Name,
Name = fileInfo.Name,
Length = fileInfo.Length,
};
ArchiveItems.Add(archiveFile);
}
foreach (var directoryInfo in currentDirectoryInfo.GetDirectories())
{
var archiveFolder = new ArchiveFolder()
{
AbsolutePath = directoryInfo.FullName,
RelativePath = RelativePath + @"\" + directoryInfo.Name,
Name = directoryInfo.Name,
};
archiveFolder.GetArchiveItems();
ArchiveItems.Add(archiveFolder);
}
}
public void Unarchive()
{
using (var inputStream = new FileStream(SourcePath, FileMode.Open, FileAccess.Read))
{
using (var tempStream = new FileStream(SourcePath + ".tmp", FileMode.Create, FileAccess.ReadWrite))
{
Compressor.GzipDecompress(inputStream, tempStream);
tempStream.Seek(0, SeekOrigin.Begin);
var header = new ArchiveEntityHeader();
header.ReadStream(tempStream);
for (int i = 0; i < header.Length; i++)
{
var archiveFile = new ArchiveFile();
archiveFile.ReadHeader(tempStream);
archiveFile.AbsolutePath = Path.Combine(TargetPath, archiveFile.RelativePath);
ArchiveItems.Add(archiveFile);
}
ArchiveItems.ForEach(x => x.ReadContent(tempStream));
}
File.Delete(SourcePath + ".tmp");
}
}
/// <summary>
/// 归档文件
/// </summary>
public Archiver(string targetFile, string[] filesOrFoldersToBeArchived)
{
TargetPath = targetFile;
string directoryPath = null;
foreach (var fileOrFolder in filesOrFoldersToBeArchived)
{
var info = GetFileOrFolder(fileOrFolder);
if (info == null)
{
continue;
}
if (info is FileInfo)
{
var fileInfo = info as FileInfo;
if (directoryPath != null)
{
if (directoryPath != fileInfo.DirectoryName)
{
throw new NotSupportedException();
}
}
else
{
directoryPath = fileInfo.DirectoryName;
}
var archiveFile = new ArchiveFile()
{
AbsolutePath = fileInfo.FullName,
RelativePath = fileInfo.Name,
Name = fileInfo.Name,
Length = fileInfo.Length,
};
ArchiveItems.Add(archiveFile);
}
else if (info is DirectoryInfo)
{
var directoryInfo = info as DirectoryInfo;
if (directoryPath != null)
{
if (directoryPath != directoryInfo.Parent.FullName)
{
throw new NotSupportedException();
}
}
else
{
directoryPath = directoryInfo.Parent.FullName;
}
var archiveFolder = new ArchiveFolder()
{
AbsolutePath = directoryInfo.FullName,
RelativePath = directoryInfo.Name,
Name = directoryInfo.Name,
};
archiveFolder.GetArchiveItems();
ArchiveItems.Add(archiveFolder);
}
}
}