public static void View(string zipFileName)
{
ZipReader reader = new ZipReader(zipFileName);
Console.WriteLine("Archive: {0} ({1} files)", zipFileName, reader.Entries.Count);
Console.WriteLine(reader.Comment);
string format = "{0,8} {1,8} {2,5} {3,10} {4,5} {5}";
Console.WriteLine(format, " Length ", " Size ", "Ratio", " Date ", "Time ", "Name");
Console.WriteLine(format, "--------", "--------", "-----", "----------", "-----", "----");
foreach (ZipEntry entry in reader.Entries) {
if (!entry.IsDirectory) {
Console.WriteLine(format,
entry.Length,
entry.CompressedLength,
entry.Ratio.ToString("P0"),
entry.ModifiedTime.ToString("yyyy-MM-dd"),
entry.ModifiedTime.ToString("hh:mm"),
entry.Name);
}
}
reader.Close();
}
public static void Extract(string zipFileName)
{
ZipReader reader = new ZipReader(zipFileName);
Console.WriteLine("Archive: {0}", zipFileName);
Console.WriteLine(reader.Comment);
// buffer to hold temp bytes
byte[] buffer = new byte[4096];
int byteCount;
// Get the zipped entries
while (reader.MoveNext()) {
ZipEntry entry = reader.Current;
if (entry.IsDirectory) {
Directory.CreateDirectory(entry.Name);
} else {
Console.Write(" {0}", entry.Name);
// create output stream
FileStream writer = File.Open(entry.Name, FileMode.Create);
// write uncompressed data
while ((byteCount = reader.Read(buffer, 0, buffer.Length)) > 0) {
Console.Write(".");
writer.Write(buffer, 0, byteCount);
}
writer.Close();
Console.WriteLine();
}
}
reader.Close();
}
protected int UnZip(string ZipFileName, bool CreateDir)
{
ZipReader reader = null;
int i = 0;
//'Figure out new directory name for the uncompressed files
string NewPath = "";
NewPath = ZipFileName.Replace(Path.GetExtension(ZipFileName), "");
//'Make a directory with the name of the zip file. Overwritten if exists.
if (CreateDir == true)
{
Directory.CreateDirectory(NewPath);
}
else
{
NewPath = Path.GetDirectoryName(NewPath);
}
try
{
//'Open a zip file
reader = new ZipReader(ZipFileName);
//'Process all files inside the archive
while (reader.MoveNext())
{
i += 1;
//'Create a Zip object
ZipEntry entry = reader.Current;
if (!entry.IsDirectory)
{
//'It's a file
string FileName = entry.Name.Replace("/", "\\");
//'If entry is Directory, create it
if (FileName.IndexOf("\\") > 0)
{
//'If Directory exists, it is not overwritten
try
{
Directory.CreateDirectory(NewPath + "\\" + Path.GetDirectoryName(FileName));
}
catch (UnauthorizedAccessException ex)
{
ShowInfo((string)this.GetGlobalResourceObject("Lang","LOC_ERROR_CREATE_DIRECTORY_ACCESSDENIED"), MessageType.ErrorMsg);
return 0;
}
catch (Exception ex)
{
ShowInfo((string)this.GetGlobalResourceObject("Lang","LOC_ERROR_CREATE_DIRECTORY") + " " + ex.Message, MessageType.ErrorMsg);
return 0;
}
}
//'Uncompress the file if its type is not forbidden
//'for upload
if (IsAllowedFileType(Path.GetExtension(FileName)))
{
FileStream Writer = null;
try
{
Writer = File.Open(NewPath + "\\" + FileName, FileMode.Create);
Byte[] buffer = new Byte[4096];
int byteCount = 0;
//'Read file from the archive and write it to the disk
byteCount = reader.Read(buffer, 0, buffer.Length);
while (byteCount > 0)
{
Writer.Write(buffer, 0, byteCount);
byteCount = reader.Read(buffer, 0, buffer.Length);
}
}
finally
{
//'Close the file
Writer.Close();
}
}
}
}
}
catch (UnauthorizedAccessException ex)
{
ShowInfo((string)this.GetGlobalResourceObject("Lang","LOC_ERROR_ZIP_CANNOTEXTRACT_ACCESSDENIED"), MessageType.ErrorMsg);
return i;
}
catch (Exception ex)
{
ShowInfo((string)this.GetGlobalResourceObject("Lang","LOC_ERROR_COPY_CANNOTEXTRACT") + " " + ex.Message, MessageType.ErrorMsg);
return i;
}
finally
{
//'Close the Zip file
reader.Close();
}
//'Return the number of files produced
return i;
}
