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/******************************************************************************
* 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.RfcControl.cs
//
// Author:
// Sunil Kumar (Sunilk@novell.com)
//
// (C) 2003 Novell, Inc (http://www.novell.com)
//
using System;
using Novell.Directory.Ldap.Asn1;
namespace Novell.Directory.Ldap.Rfc2251
{
/// <summary> Represents an Ldap Control.
///
/// <pre>
/// Control ::= SEQUENCE {
/// controlType LdapOID,
/// criticality BOOLEAN DEFAULT FALSE,
/// controlValue OCTET STRING OPTIONAL }
/// </pre>
/// </summary>
public class RfcControl:Asn1Sequence
{
/// <summary> </summary>
virtual public Asn1OctetString ControlType
{
get
{
return (Asn1OctetString) get_Renamed(0);
}
}
/// <summary> Returns criticality.
///
/// If no value present, return the default value of FALSE.
/// </summary>
virtual public Asn1Boolean Criticality
{
get
{
if (size() > 1)
{
// MAY be a criticality
Asn1Object obj = get_Renamed(1);
if (obj is Asn1Boolean)
return (Asn1Boolean) obj;
}
return new Asn1Boolean(false);
}
}
/// <summary> Since controlValue is an OPTIONAL component, we need to check
/// to see if one is available. Remember that if criticality is of default
/// value, it will not be present.
/// </summary>
/// <summary> Called to set/replace the ControlValue. Will normally be called by
/// the child classes after the parent has been instantiated.
/// </summary>
virtual public Asn1OctetString ControlValue
{
get
{
if (size() > 2)
{
// MUST be a control value
return (Asn1OctetString) get_Renamed(2);
}
else if (size() > 1)
{
// MAY be a control value
Asn1Object obj = get_Renamed(1);
if (obj is Asn1OctetString)
return (Asn1OctetString) obj;
}
return null;
}
set
{
if (value == null)
return ;
if (size() == 3)
{
// We already have a control value, replace it
set_Renamed(2, value);
return ;
}
if (size() == 2)
{
// Get the second element
Asn1Object obj = get_Renamed(1);
// Is this a control value
if (obj is Asn1OctetString)
{
// replace this one
set_Renamed(1, value);
return ;
}
else
{
// add a new one at the end
add(value);
return ;
}
}
}
}
//*************************************************************************
// Constructors for Control
//*************************************************************************
/// <summary> </summary>
public RfcControl(RfcLdapOID controlType):this(controlType, new Asn1Boolean(false), null)
{
}
/// <summary> </summary>
public RfcControl(RfcLdapOID controlType, Asn1Boolean criticality):this(controlType, criticality, null)
{
}
/// <summary>
/// Note: criticality is only added if true, as per RFC 2251 sec 5.1 part
/// (4): If a value of a type is its default value, it MUST be
/// absent.
/// </summary>
public RfcControl(RfcLdapOID controlType, Asn1Boolean criticality, Asn1OctetString controlValue):base(3)
{
add(controlType);
if (criticality.booleanValue() == true)
add(criticality);
if (controlValue != null)
add(controlValue);
}
/// <summary> Constructs a Control object by decoding it from an InputStream.</summary>
[CLSCompliantAttribute(false)]
public RfcControl(Asn1Decoder dec, System.IO.Stream in_Renamed, int len):base(dec, in_Renamed, len)
{
}
/// <summary> Constructs a Control object by decoding from an Asn1Sequence</summary>
public RfcControl(Asn1Sequence seqObj):base(3)
{
int len = seqObj.size();
for (int i = 0; i < len; i++)
add(seqObj.get_Renamed(i));
}
//*************************************************************************
// Accessors
//*************************************************************************
}
}
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