/******************************************************************************
* The MIT License
* Copyright (c) 2003 Novell Inc.  www.novell.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.
*******************************************************************************/
//
// Novell.Directory.Ldap.Rfc2251.RfcExtendedResponse.cs
//
// Author:
//   Sunil Kumar (Sunilk@novell.com)
//
// (C) 2003 Novell, Inc (http://www.novell.com)
//

using System;
using Novell.Directory.Ldap.Asn1;
using Novell.Directory.Ldap;

namespace Novell.Directory.Ldap.Rfc2251
{
	
	/// <summary> Represents an Ldap Extended Response.
	/// 
	/// <pre>
	/// ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
	/// COMPONENTS OF LdapResult,
	/// responseName     [10] LdapOID OPTIONAL,
	/// response         [11] OCTET STRING OPTIONAL }
	/// </pre>
	/// </summary>
	public class RfcExtendedResponse:Asn1Sequence, RfcResponse
	{
		/// <summary> </summary>
		virtual public RfcLdapOID ResponseName
		{
			get
			{
				return (responseNameIndex != 0)?(RfcLdapOID) get_Renamed(responseNameIndex):null;
			}
			
		}
		/// <summary> </summary>
		[CLSCompliantAttribute(false)]
		virtual public Asn1OctetString Response
		{
			get
			{
				return (responseIndex != 0)?(Asn1OctetString) get_Renamed(responseIndex):null;
			}
			
		}
		
		/// <summary> Context-specific TAG for optional responseName.</summary>
		public const int RESPONSE_NAME = 10;
		/// <summary> Context-specific TAG for optional response.</summary>
		public const int RESPONSE = 11;
		
		private int referralIndex;
		private int responseNameIndex;
		private int responseIndex;
		
		//*************************************************************************
		// Constructors for ExtendedResponse
		//*************************************************************************
		
		/// <summary> The only time a client will create a ExtendedResponse is when it is
		/// decoding it from an InputStream
		/// </summary>
		[CLSCompliantAttribute(false)]
		public RfcExtendedResponse(Asn1Decoder dec, System.IO.Stream in_Renamed, int len):base(dec, in_Renamed, len)
		{
			
			
			// decode optional tagged elements
			if (size() > 3)
			{
				for (int i = 3; i < size(); i++)
				{
					Asn1Tagged obj = (Asn1Tagged) get_Renamed(i);
					Asn1Identifier id = obj.getIdentifier();
					switch (id.Tag)
					{
						
						case RfcLdapResult.REFERRAL: 
							sbyte[] content = ((Asn1OctetString) obj.taggedValue()).byteValue();
							System.IO.MemoryStream bais = new System.IO.MemoryStream(SupportClass.ToByteArray(content));
							set_Renamed(i, new RfcReferral(dec, bais, content.Length));
							referralIndex = i;
							break;
						
						case RESPONSE_NAME: 
							set_Renamed(i, new RfcLdapOID(((Asn1OctetString) obj.taggedValue()).byteValue()));
							responseNameIndex = i;
							break;
						
						case RESPONSE: 
							set_Renamed(i, obj.taggedValue());
							responseIndex = i;
							break;
						}
				}
			}
		}
		
		//*************************************************************************
		// Accessors
		//*************************************************************************
		
		/// <summary> </summary>
		public Asn1Enumerated getResultCode()
		{
			return (Asn1Enumerated) get_Renamed(0);
		}
		
		/// <summary> </summary>
		public RfcLdapDN getMatchedDN()
		{
			return new RfcLdapDN(((Asn1OctetString) get_Renamed(1)).byteValue());
		}
		
		/// <summary> </summary>
		public RfcLdapString getErrorMessage()
		{
			return new RfcLdapString(((Asn1OctetString) get_Renamed(2)).byteValue());
		}
		
		/// <summary> </summary>
		public RfcReferral getReferral()
		{
			return (referralIndex != 0)?(RfcReferral) get_Renamed(referralIndex):null;
		}
		
		/// <summary> Override getIdentifier to return an application-wide id.</summary>
		public override Asn1Identifier getIdentifier()
		{
			return new Asn1Identifier(Asn1Identifier.APPLICATION, true, LdapMessage.EXTENDED_RESPONSE);
		}
	}
}