/// <summary>
/// Creates an RDN object from the DN component specified in the string RDN.
/// </summary>
/// <param name="rdn">
/// the DN component.
/// </param>
public Rdn(string rdn)
{
RawValue = rdn;
var dn = new Dn(rdn);
var rdns = dn.RdNs;
// there should only be one rdn
if (rdns.Count != 1)
{
throw new ArgumentException("Invalid RDN: see API " + "documentation");
}
var thisRdn = rdns[0];
_types = thisRdn._types;
_values = thisRdn._values;
RawValue = thisRdn.RawValue;
}
public bool Equals(Dn toDn)
{
var aList = toDn.GetRdnList();
var length = aList.Count;
if (_rdnList.Count != length)
{
return(false);
}
for (var i = 0; i < length; i++)
{
if (!(_rdnList[i]).Equals(toDn.GetRdnList()[i]))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Determines if this DN is <I>contained</I> by the DN passed in. For
/// example: "cn=admin, ou=marketing, o=corporation" is contained by
/// "o=corporation", "ou=marketing, o=corporation", and "ou=marketing"
/// but <B>not</B> by "cn=admin" or "cn=admin,ou=marketing,o=corporation"
/// Note: For users of Netscape's SDK this method is comparable to contains.
/// </summary>
/// <param name="containerDn">
/// of a container.
/// </param>
/// <returns>
/// true if containerDN contains this DN.
/// </returns>
public bool IsDescendantOf(Dn containerDn)
{
var i = containerDn._rdnList.Count - 1; // index to an RDN of the ContainerDN
var j = _rdnList.Count - 1; // index to an RDN of the ContainedDN
// Search from the end of the DN for an RDN that matches the end RDN of
// containerDN.
while (!(_rdnList[j]).Equals(containerDn._rdnList[i]))
{
j--;
if (j <= 0)
{
return(false);
}
// if the end RDN of containerDN does not have any equal
// RDN in rdnList, then containerDN does not contain this DN
}
i--; // avoid a redundant compare
j--;
// step backwards to verify that all RDNs in containerDN exist in this DN
for (; i >= 0 && j >= 0; i--, j--)
{
if (!(_rdnList[j]).Equals(containerDn._rdnList[i]))
{
return(false);
}
}
if (j == 0 && i == 0)
// the DNs are identical and thus not contained
{
return(false);
}
return(true);
}
