121 lines
3.6 KiB
C#
121 lines
3.6 KiB
C#
//
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// ZipArchiveEntry.cs
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//
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// Author:
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// Joao Matos <joao.matos@xamarin.com>
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// Martin Baulig <martin.baulig@xamarin.com>
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//
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// Copyright (c) 2013 Xamarin Inc. (http://www.xamarin.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using SharpCompress.Archive;
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namespace System.IO.Compression
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{
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public class ZipArchiveEntry
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{
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readonly SharpCompress.Archive.Zip.ZipArchiveEntry entry;
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private Stream openStream;
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private bool wasDeleted;
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internal ZipArchiveEntry(ZipArchive archive, SharpCompress.Archive.Zip.ZipArchiveEntry entry)
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{
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if (archive == null)
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throw new ArgumentNullException("archive");
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if (entry == null)
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throw new ArgumentNullException("entry");
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Archive = archive;
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this.entry = entry;
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}
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public ZipArchive Archive {
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get;
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private set;
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}
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public long CompressedLength {
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get {
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if (Archive.Mode == ZipArchiveMode.Create)
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throw new InvalidOperationException("Property cannot be retrieved when the mode is set to Create");
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return entry.CompressedSize;
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}
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}
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public string FullName {
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get { return entry.Key; }
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}
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public DateTimeOffset LastWriteTime {
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get { return entry.LastModifiedTime.GetValueOrDefault(); }
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set { entry.LastModifiedTime = value.DateTime; }
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}
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public long Length {
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get {
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if (Archive.Mode == ZipArchiveMode.Create)
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throw new InvalidOperationException("Property cannot be retrieved when the mode is set to Create");
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return entry.Size;
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}
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}
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public string Name {
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get { return Path.GetFileName(entry.Key); }
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}
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public void Delete()
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{
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if (Archive.disposed)
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throw new ObjectDisposedException("The zip archive for this entry has been disposed.");
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if (Archive.Mode != ZipArchiveMode.Update)
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throw new NotSupportedException("The zip archive for this entry was opened in a mode other than Update.");
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if (openStream != null)
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throw new IOException("The entry is already open for reading or writing.");
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wasDeleted = true;
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Archive.zipFile.RemoveEntry(entry);
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}
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public Stream Open()
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{
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if (Archive.disposed)
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throw new ObjectDisposedException("The zip archive for this entry has been disposed.");
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if (openStream != null && Archive.Mode == ZipArchiveMode.Update)
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throw new IOException("The entry is already currently open for writing.");
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if (wasDeleted)
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throw new IOException("The entry has been deleted from the archive.");
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if (Archive.Mode == ZipArchiveMode.Create && openStream != null)
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throw new IOException("The archive for this entry was opened with the Create mode, and this entry has already been written to.");
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openStream = entry.OpenEntryStream();
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return openStream;
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}
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}
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}
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