get LDAP Distinguished Name Prefix - Java javax.naming.directory

Java examples for javax.naming.directory:Record

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Description

get LDAP Distinguished Name Prefix

Demo Code

/*//from  w  ww. ja v  a 2  s  . co m
 * #%L
 * fr.mtlx.odm
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2012 - 2013 Alexandre Mathieu <me@mtlx.fr>
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public 
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */
//package com.java2s;
import java.util.List;
import javax.naming.InvalidNameException;
import javax.naming.Name;
import javax.naming.ldap.LdapName;
import javax.naming.ldap.Rdn;

public class Main {
    public static Name getDistinguishedNamePrefix(final Name dn, String from) {
        int i = 0;

        LdapName name = buildLdapName(dn);

        List<Rdn> rdns = name.getRdns();

        for (; i < rdns.size(); i++) {
            if (from.equalsIgnoreCase(rdns.get(i).getType())) {
                return name.getPrefix(i + 1);
            }
        }

        return null;
    }

    private static LdapName buildLdapName(final Name dn) {
        final LdapName name;

        if (dn instanceof LdapName) {
            name = (LdapName) dn;
        } else {
            try {
                name = new LdapName(dn.toString());
            } catch (InvalidNameException e) {
                return null;
            }
        }

        return name;
    }
}

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