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//
// ZipFileExtensions.cs
//
// Author:
// João Matos <joao.matos@xamarin.com>
// Martin Baulig <martin.baulig@xamarin.com>
//
// Copyright (c) 2013 Xamarin Inc. (http://www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
namespace System.IO.Compression
{
public static class ZipFileExtensions
{
public static ZipArchiveEntry CreateEntryFromFile (
this ZipArchive destination, string sourceFileName,
string entryName)
{
return CreateEntryFromFile (destination, sourceFileName, entryName,
CompressionLevel.Fastest);
}
public static ZipArchiveEntry CreateEntryFromFile (
this ZipArchive destination, string sourceFileName,
string entryName, CompressionLevel compressionLevel)
{
if (destination == null)
throw new ArgumentNullException ("destination");
if (sourceFileName == null)
throw new ArgumentNullException ("sourceFileName");
if (entryName == null)
throw new ArgumentNullException ("entryName");
ZipArchiveEntry entry;
using (Stream stream = File.Open (sourceFileName, FileMode.Open,
FileAccess.Read, FileShare.Read))
{
var zipArchiveEntry = destination.CreateEntry (entryName, compressionLevel);
using (Stream entryStream = zipArchiveEntry.Open ())
stream.CopyTo (entryStream);
entry = zipArchiveEntry;
}
return entry;
}
public static void ExtractToDirectory (
this ZipArchive source,
string destinationDirectoryName)
{
if (source == null)
throw new ArgumentNullException ("source");
if (destinationDirectoryName == null)
throw new ArgumentNullException ("destinationDirectoryName");
var destDirInfo = Directory.CreateDirectory (destinationDirectoryName);
string fullName = destDirInfo.FullName;
foreach (var zipEntry in source.Entries)
{
var fullPath = Path.GetFullPath (Path.Combine (fullName, zipEntry.FullName));
var isFileName = Path.GetFileName (fullPath).Length != 0;
var dirPath = isFileName ? Path.GetDirectoryName (fullPath) : fullPath;
Directory.CreateDirectory (dirPath);
if (isFileName)
zipEntry.ExtractToFile (fullPath, false);
}
}
public static void ExtractToFile (
this ZipArchiveEntry source,
string destinationFileName)
{
ExtractToFile (source, destinationFileName, overwrite: false);
}
public static void ExtractToFile (
this ZipArchiveEntry source, string destinationFileName,
bool overwrite)
{
if (source == null)
throw new ArgumentNullException ("source");
if (destinationFileName == null)
throw new ArgumentNullException ("destinationFileName");
var mode = overwrite ? FileMode.Create : FileMode.CreateNew;
using (var stream = File.Open (destinationFileName, mode, FileAccess.Write))
{
using (var stream2 = source.Open ())
stream2.CopyTo(stream);
}
File.SetLastWriteTime(destinationFileName, source.LastWriteTime.DateTime);
}
}
}
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