internal static void DownloadToLocation(Uri WebLocation, string fileLocation, int timeout)
{
ShFileUtils.DeleteOrRename(fileLocation);
// create all folders to the file
Directory.CreateDirectory(Path.GetDirectoryName(fileLocation));
// This was the old way to download file
// unfortunatelly it doesn't have an easy way to change the default read timeout
//using (WebClient client = new WebClient())
//{
// client.DownloadFile(WebLocation, fileLocation);
//}
using (var webClient = new WebClient())
using (var stream = webClient.OpenRead(WebLocation))
{
if (stream != null)
{
using (var file = File.OpenWrite(fileLocation))
{
// If we had use .net 4 framework, all the following lines could be replaced by:
// stream.CopyTo(file)
var buffer = new byte[1024];
int bytesReceived = 0;
stream.ReadTimeout = timeout;
while ((bytesReceived = stream.Read(buffer, 0, buffer.Length)) != 0)
{
file.Write(buffer, 0, bytesReceived);
}
}
}
}
}
public static void ExtractZipFile(string archiveFilenameIn, string password, string outFolder)
{
ZipFile zf = null;
try
{
FileStream fs = File.OpenRead(archiveFilenameIn);
zf = new ZipFile(fs);
if (!String.IsNullOrEmpty(password))
{
zf.Password = password; // AES encrypted entries are handled automatically
}
foreach (ZipEntry zipEntry in zf)
{
if (!zipEntry.IsFile)
{
continue; // Ignore directories
}
String entryFileName = zipEntry.Name;
// to remove the folder from the entry:- entryFileName = Path.GetFileName(entryFileName);
// Optionally match entrynames against a selection list here to skip as desired.
// The unpacked length is available in the zipEntry.Size property.
byte[] buffer = new byte[4096]; // 4K is optimum
Stream zipStream = zf.GetInputStream(zipEntry);
// Manipulate the output filename here as desired.
String fullZipToPath = Path.Combine(outFolder, entryFileName);
string directoryName = Path.GetDirectoryName(fullZipToPath);
if (directoryName.Length > 0)
{
Directory.CreateDirectory(directoryName);
}
ShFileUtils.DeleteOrRename(fullZipToPath);
// Unzip file in buffered chunks. This is just as fast as unpacking to a buffer the full size
// of the file, but does not waste memory.
// The "using" will close the stream even if an exception occurs.
using (FileStream streamWriter = File.Create(fullZipToPath))
{
StreamUtils.Copy(zipStream, streamWriter, buffer);
}
}
}
finally
{
if (zf != null)
{
zf.IsStreamOwner = true; // Makes close also shut the underlying stream
zf.Close(); // Ensure we release resources
}
}
}
