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

using System;
using Novell.Directory.Ldap;
using Novell.Directory.Ldap.Asn1;
using Novell.Directory.Ldap.Utilclass;
using Novell.Directory.Ldap.Rfc2251;

namespace Novell.Directory.Ldap.Extensions
{
	
	/// <summary>  Retrieves the effective rights from an GetEffectivePrivilegesResponse object.
	/// 
	/// An object in this class is generated from an ExtendedResponse object
	/// using the ExtendedResponseFactory class.
	/// 
	/// The getEffectivePrivilegesResponse extension uses the following OID:
	/// 2.16.840.1.113719.1.27.100.34
	/// 
	/// </summary>
	public class GetEffectivePrivilegesResponse:LdapExtendedResponse
	{
		/// <summary> Returns the effective privileges.
		/// 
		/// See the ReplicationConstants class for the privilege flags.
		/// 
		/// </summary>
		/// <returns> A flag which is a combination of zero or more privilege flags as
		/// returned by the server.
		/// 
		/// </returns>
		virtual public int Privileges
		{
			get
			{
				return privileges;
			}
			
		}
		
		// Identity returned by the server
		private int privileges;
		
		/// <summary> Constructs an object from the responseValue which contains the effective
		/// privileges.
		/// 
		/// The constructor parses the responseValue which has the following
		/// format:
		/// responseValue ::=
		///   privileges  INTEGER
		/// 
		/// </summary>
		/// <exception> IOException The responseValue could not be decoded.
		/// </exception>
		public GetEffectivePrivilegesResponse(RfcLdapMessage rfcMessage):base(rfcMessage)
		{
			
			if (ResultCode == LdapException.SUCCESS)
			{
				// parse the contents of the reply
				sbyte[] returnedValue = this.Value;
				if (returnedValue == null)
					throw new System.IO.IOException("No returned value");
				
				// Create a decoder object
				LBERDecoder decoder = new LBERDecoder();
				if (decoder == null)
					throw new System.IO.IOException("Decoding error");
				
				Asn1Integer asn1_privileges = (Asn1Integer) decoder.decode(returnedValue);
				if (asn1_privileges == null)
					throw new System.IO.IOException("Decoding error");
				
				privileges = asn1_privileges.intValue();
			}
			else
			{
				privileges = 0;
			}
		}
	}
}