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//
// ZipArchiveEntry.cs
//
// Author:
// Joao 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 SharpCompress.Archive;
namespace System.IO.Compression
{
public class ZipArchiveEntry
{
readonly SharpCompress.Archive.Zip.ZipArchiveEntry entry;
private Stream openStream;
private bool wasDeleted;
internal ZipArchiveEntry(ZipArchive archive, SharpCompress.Archive.Zip.ZipArchiveEntry entry)
{
if (archive == null)
throw new ArgumentNullException("archive");
if (entry == null)
throw new ArgumentNullException("entry");
Archive = archive;
this.entry = entry;
}
public ZipArchive Archive {
get;
private set;
}
public long CompressedLength {
get {
if (Archive.Mode == ZipArchiveMode.Create)
throw new InvalidOperationException("Property cannot be retrieved when the mode is set to Create");
return entry.CompressedSize;
}
}
public string FullName {
get { return entry.Key; }
}
public DateTimeOffset LastWriteTime {
get { return entry.LastModifiedTime.GetValueOrDefault(); }
set { entry.LastModifiedTime = value.DateTime; }
}
public long Length {
get {
if (Archive.Mode == ZipArchiveMode.Create)
throw new InvalidOperationException("Property cannot be retrieved when the mode is set to Create");
return entry.Size;
}
}
public string Name {
get { return Path.GetFileName(entry.Key); }
}
public void Delete()
{
if (Archive.disposed)
throw new ObjectDisposedException("The zip archive for this entry has been disposed.");
if (Archive.Mode != ZipArchiveMode.Update)
throw new NotSupportedException("The zip archive for this entry was opened in a mode other than Update.");
if (openStream != null)
throw new IOException("The entry is already open for reading or writing.");
wasDeleted = true;
Archive.zipFile.RemoveEntry(entry);
}
public Stream Open()
{
if (Archive.disposed)
throw new ObjectDisposedException("The zip archive for this entry has been disposed.");
if (openStream != null && Archive.Mode == ZipArchiveMode.Update)
throw new IOException("The entry is already currently open for writing.");
if (wasDeleted)
throw new IOException("The entry has been deleted from the archive.");
if (Archive.Mode == ZipArchiveMode.Create && openStream != null)
throw new IOException("The archive for this entry was opened with the Create mode, and this entry has already been written to.");
openStream = entry.OpenEntryStream();
return openStream;
}
}
}
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