/// <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 virtual bool isDescendantOf(DN containerDN)
{
int i = containerDN.rdnList.Count - 1; //index to an RDN of the ContainerDN
int 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 (!((RDN)rdnList[j]).equals((RDN)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 (!((RDN)rdnList[j]).equals((RDN)containerDN.rdnList[i]))
{
return(false);
}
}
if (j == 0 && i == 0)
{
//the DNs are identical and thus not contained
return(false);
}
return(true);
}
private string rawValue; //the unnormalized value
/// <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;
DN dn = new DN(rdn);
ArrayList rdns = dn.RDNs;
//there should only be one rdn
if (rdns.Count != 1)
{
throw new ArgumentException("Invalid RDN: see API " + "documentation");
}
RDN thisRDN = (RDN)(rdns[0]);
types = thisRDN.types;
values = thisRDN.values;
rawValue = thisRDN.rawValue;
return;
}
public bool Equals(DN toDN)
{
ArrayList aList = toDN.getrdnList();
int length = aList.Count;
if (rdnList.Count != length)
{
return(false);
}
for (int i = 0; i < length; i++)
{
if (!((RDN)rdnList[i]).equals((RDN)toDN.getrdnList()[i]))
{
return(false);
}
}
return(true);
}
