/// <summary>
/// Validates whether the zip is corrupted or not
/// </summary>
/// <param name="path">Path to the zip file</param>
/// <returns>true if archive tests ok; false otherwise.</returns>
public static bool ValidateZip(string path)
{
using (var zip = new ICSharpCode.SharpZipLib.Zip.ZipFile(path))
{
return(zip.TestArchive(true));
}
}
} // End UnZip
/// <summary>
/// Unzip a local file and return its contents via streamreader to a local the same location as the ZIP.
/// </summary>
/// <param name="zipFile">Location of the zip on the HD</param>
/// <returns>List of unzipped file names</returns>
public static List <string> UnzipToFolder(string zipFile)
{
//1. Initialize:
var files = new List <string>();
var slash = zipFile.LastIndexOf(Path.DirectorySeparatorChar);
var outFolder = "";
if (slash > 0)
{
outFolder = zipFile.Substring(0, slash);
}
ICSharpCode.SharpZipLib.Zip.ZipFile zf = null;
try
{
var fs = File.OpenRead(zipFile);
zf = new ICSharpCode.SharpZipLib.Zip.ZipFile(fs);
foreach (ZipEntry zipEntry in zf)
{
//Ignore Directories
if (!zipEntry.IsFile)
{
continue;
}
//Remove the folder from the entry
var entryFileName = Path.GetFileName(zipEntry.Name);
if (entryFileName == null)
{
continue;
}
var buffer = new byte[4096]; // 4K is optimum
var zipStream = zf.GetInputStream(zipEntry);
// Manipulate the output filename here as desired.
var fullZipToPath = Path.Combine(outFolder, entryFileName);
//Save the file name for later:
files.Add(fullZipToPath);
//Log.Trace("Data.UnzipToFolder(): Input File: " + zipFile + ", Output Directory: " + fullZipToPath);
//Copy the data in buffer chunks
using (var 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
}
}
return(files);
} // End UnZip
} // End UnZip
/// <summary>
/// Unzip a local file and return its contents via streamreader to a local the same location as the ZIP.
/// </summary>
/// <param name="zipFile">Location of the zip on the HD</param>
/// <returns>List of unzipped file names</returns>
public static List <string> UnzipToFolder(string zipFile)
{
//1. Initialize:
var files = new List <string>();
var outFolder = Path.GetDirectoryName(zipFile);
if (string.IsNullOrEmpty(outFolder))
{
outFolder = Directory.GetCurrentDirectory();
}
ICSharpCode.SharpZipLib.Zip.ZipFile zf = null;
try
{
var fs = File.OpenRead(zipFile);
zf = new ICSharpCode.SharpZipLib.Zip.ZipFile(fs);
foreach (ZipEntry zipEntry in zf)
{
//Ignore Directories
if (!zipEntry.IsFile)
{
continue;
}
var buffer = new byte[4096]; // 4K is optimum
var zipStream = zf.GetInputStream(zipEntry);
// Manipulate the output filename here as desired.
var fullZipToPath = Path.Combine(outFolder, zipEntry.Name);
var targetFile = new FileInfo(fullZipToPath);
if (targetFile.Directory != null && !targetFile.Directory.Exists)
{
targetFile.Directory.Create();
}
//Save the file name for later:
files.Add(fullZipToPath);
//Copy the data in buffer chunks
using (var streamWriter = File.Create(fullZipToPath))
{
StreamUtils.Copy(zipStream, streamWriter, buffer);
}
}
}
catch
{
// lets catch the exception just to log some information about the zip file
Log.Error($"Compression.UnzipToFolder(): Failure: zipFile: {zipFile} - outFolder: {outFolder} - files: {string.Join(",", files)}");
throw;
}
finally
{
if (zf != null)
{
zf.IsStreamOwner = true; // Makes close also shut the underlying stream
zf.Close(); // Ensure we release resources
}
}
return(files);
} // End UnZip
} // End UnZip
/// <summary>
/// Unzip a local file and return its contents via streamreader to a local the same location as the ZIP.
/// </summary>
/// <param name="zipFile">Location of the zip on the HD</param>
/// <returns>List of unzipped file names</returns>
public static List<string> UnzipToFolder(string zipFile)
{
//1. Initialize:
var files = new List<string>();
var slash = zipFile.LastIndexOf(Path.DirectorySeparatorChar);
var outFolder = "";
if (slash > 0)
{
outFolder = zipFile.Substring(0, slash);
}
ICSharpCode.SharpZipLib.Zip.ZipFile zf = null;
try
{
var fs = File.OpenRead(zipFile);
zf = new ICSharpCode.SharpZipLib.Zip.ZipFile(fs);
foreach (ZipEntry zipEntry in zf)
{
//Ignore Directories
if (!zipEntry.IsFile) continue;
//Remove the folder from the entry
var entryFileName = Path.GetFileName(zipEntry.Name);
if (entryFileName == null) continue;
var buffer = new byte[4096]; // 4K is optimum
var zipStream = zf.GetInputStream(zipEntry);
// Manipulate the output filename here as desired.
var fullZipToPath = Path.Combine(outFolder, entryFileName);
//Save the file name for later:
files.Add(fullZipToPath);
//Log.Trace("Data.UnzipToFolder(): Input File: " + zipFile + ", Output Directory: " + fullZipToPath);
//Copy the data in buffer chunks
using (var 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
}
}
return files;
} // End UnZip
