ExtNegotiation.cs :  » Network-Clients » DICOM » org » dicomcs » net » C# / CSharp Open Source

#region Copyright
// 
// This library is based on dcm4che see http://www.sourceforge.net/projects/dcm4che
// Copyright (c) 2002 by TIANI MEDGRAPH AG. All rights reserved.
//
// Modifications Copyright (C) 2002 Fang Yang. All rights reserved.
// 
// This file is part of dicomcs, see http://www.sourceforge.net/projects/dicom-cs
//
// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Fang Yang (yangfang@email.com)
//
#endregion

namespace org.dicomcs.net{
  using System;
  using System.IO;
  using org.dicomcs.net;
  using org.dicomcs.util;
  
  /// <summary>
  /// </summary>
  public class ExtNegotiation
  {
    public virtual String SOPClassUID
    {
      get { return asuid; }      
    }
    
    private String asuid;
    private byte[] m_info;
    
    /// <summary>
    /// Creates a new instance of ExtNegotiation 
    /// </summary>
    internal ExtNegotiation(String asuid, byte[] info)
    {
      this.asuid = asuid;
      this.m_info = new byte[info.Length];
      info.CopyTo(this.m_info, 0);
    }
    
    /*
    internal ExtNegotiation(BinaryReader din, int len)
    {
      int uidLen = din.ReadUInt16();
      this.asuid = AAssociateRQAC.ReadASCII(din, uidLen);
      this.m_info = new byte[len - uidLen - 2];
      din.BaseStream.Read( m_info, 0, m_info.Length);
    }
    */

    internal ExtNegotiation(ByteBuffer bb, int len)
    {
      int uidLen = bb.ReadInt16();
      this.asuid = bb.ReadString(uidLen);
      this.m_info = new byte[len - uidLen - 2];
      bb.Read( m_info, 0, m_info.Length );
    }

    public byte[] info()
    {
      byte[] tmp = new byte[m_info.Length];
      Array.Copy( m_info, 0, tmp, 0, m_info.Length);
      return tmp;
    }
    
    internal int length()
    {
      return 2 + asuid.Length + m_info.Length;
    }
    
    internal void  WriteTo(ByteBuffer bb)
    {
      bb.Write((Byte) 0x56);
      bb.Write((Byte) 0);
      bb.Write((Int16) length());
      bb.Write((Int16) asuid.Length);
      bb.Write(asuid);
      bb.Write(m_info);
    }
  }
}