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#region Disclaimer / License
// Copyright (C) 2011, Kenneth Skovhede
// http://www.hexad.dk, opensource@hexad.dk
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
namespace Duplicati.Library.Utility
{
/// <summary>
/// This class is a wrapper for a stream.
/// It's only purpose is to free other wrappers from implementing the boilerplate functions,
/// and allow the derived classes to override single functions.
/// </summary>
public class OverrideableStream : Stream
{
protected System.IO.Stream m_basestream;
public OverrideableStream(Stream basestream)
{
if (basestream == null)
throw new ArgumentNullException("basestream");
m_basestream = basestream;
}
public override bool CanRead
{
get { return m_basestream.CanRead; }
}
public override bool CanSeek
{
get { return m_basestream.CanSeek; }
}
public override bool CanWrite
{
get { return m_basestream.CanWrite; }
}
public override void Flush()
{
m_basestream.Flush();
}
public override long Length
{
get { return m_basestream.Length; }
}
public override long Position
{
get
{
return m_basestream.Position;
}
set
{
m_basestream.Position = value;
}
}
public override int Read(byte[] buffer, int offset, int count)
{
return m_basestream.Read(buffer, offset, count);
}
public override long Seek(long offset, System.IO.SeekOrigin origin)
{
return m_basestream.Seek(offset, origin);
}
public override void SetLength(long value)
{
m_basestream.SetLength(value);
}
public override void Write(byte[] buffer, int offset, int count)
{
m_basestream.Write(buffer, offset, count);
}
protected override void Dispose(bool disposing)
{
if (m_basestream != null)
m_basestream.Dispose();
m_basestream = null;
base.Dispose(disposing);
}
}
}
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