/******************************************************************************
* The MIT License
* Copyright (c) 2003 Novell Inc.  www.novell.com
* 
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* of this software and associated documentation files (the Software), to deal
* in the Software without restriction, including  without limitation the rights
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* 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.
* 
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* SOFTWARE.
*******************************************************************************/
//
// Novell.Directory.Ldap.Extensions.PartitionEntryCountRequest.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;

namespace Novell.Directory.Ldap.Extensions
{
	
	/// <summary>  Returns a count of the number of entries (objects) in the
	/// specified partition.
	/// 
	/// To obtain the count of entries, you must create an instance of this
	/// class and then call the extendedOperation method with this
	/// object as the required LdapExtendedOperation parameter.
	/// 
	/// The returned LdapExtendedResponse object can then be converted to
	/// a PartitionEntryCountResponse object. This class contains
	/// methods for retrieving the returned count.
	/// 
	/// The PartitionEntryCountRequest extension uses the following
	/// OID:
	/// 2.16.840.1.113719.1.27.100.13
	/// 
	/// The requestValue has the following format:
	/// 
	/// requestValue ::=
	///     dn      LdapDN
	/// </summary>
	public class PartitionEntryCountRequest:LdapExtendedOperation
	{

		static PartitionEntryCountRequest() 
		{
			/*
				* Register the extendedresponse class which is returned by the
				* server in response to a ListReplicasRequest
				*/
			try
			{
				LdapExtendedResponse.register(ReplicationConstants.NAMING_CONTEXT_COUNT_RES, System.Type.GetType("Novell.Directory.Ldap.Extensions.PartitionEntryCountResponse"));
			}
			catch (System.Exception e)
			{
				System.Console.Error.WriteLine("Could not register Extended Response -" + " Class not found");
			}
		}
		
		/// <summary>  Constructs an extended operation object for counting entries
		/// in a naming context.
		/// 
		/// </summary>
		/// <param name="dn"> The distinguished name of the partition.
		/// 
		/// </param>
		/// <exception> LdapException A general exception which includes an
		/// error message and an Ldap error code.
		/// </exception>
		
		public PartitionEntryCountRequest(System.String dn):base(ReplicationConstants.NAMING_CONTEXT_COUNT_REQ, null)
		{
			
			try
			{
				
				if (((System.Object) dn == null))
					throw new System.ArgumentException(ExceptionMessages.PARAM_ERROR);
				
				System.IO.MemoryStream encodedData = new System.IO.MemoryStream();
				LBEREncoder encoder = new LBEREncoder();
				
				Asn1OctetString asn1_dn = new Asn1OctetString(dn);
				
				asn1_dn.encode(encoder, encodedData);
				
				setValue(SupportClass.ToSByteArray(encodedData.ToArray()));
			}
			catch (System.IO.IOException ioe)
			{
				throw new LdapException(ExceptionMessages.ENCODING_ERROR, LdapException.ENCODING_ERROR, (System.String) null);
			}
		}
	}
}