using System;
using System.IO;

namespace BlogServer.WebServer
{
	public class ReadOnlyStream : Stream
	{
		private readonly Stream _stream;

		public ReadOnlyStream(Stream stream)
		{
			_stream = stream;
		}
		
		public override void Close()
		{
			_stream.Close();
		}

		public override void Flush()
		{
			throw new NotSupportedException();
		}

		public override long Seek(long offset, SeekOrigin origin)
		{
			return _stream.Seek(offset, origin);
		}

		public override void SetLength(long value)
		{
			throw new NotSupportedException();
		}

		public override int Read(byte[] buffer, int offset, int count)
		{
			return _stream.Read(buffer, offset, count);
		}

		public override void Write(byte[] buffer, int offset, int count)
		{
			throw new NotSupportedException();
		}

		public override bool CanRead
		{
			get { return _stream.CanRead; }
		}

		public override bool CanSeek
		{
			get { return _stream.CanSeek; }
		}

		public override bool CanWrite
		{
			get { return false; }
		}

		public override long Length
		{
			get { return _stream.Length; }
		}

		public override long Position
		{
			get { return _stream.Position; }
			set { _stream.Position = value; }
		}
	}
}