124 lines
3.9 KiB
C#
124 lines
3.9 KiB
C#
//
|
|
// 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);
|
|
}
|
|
}
|
|
}
|
|
|