Java Security getCommonName(String name)

Description

Gets the common name (CN) component of an X.500 principal name.

License

Apache License

Parameter

Parameter	Description
name	a distinguished principal name

Return

the common name (CN) component or a string representation of name if the name does not have a common name component

Declaration

public static String getCommonName(String name) 

Method Source Code

//package com.java2s;
/*//from   ww  w  . ja  va2s.co m
 * File created on Mar 20, 2014 
 *
 * Copyright (c) 2014 Virginia Polytechnic Institute and State University
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import javax.naming.NamingException;
import javax.naming.ldap.LdapName;
import javax.naming.ldap.Rdn;
import javax.security.auth.x500.X500Principal;

public class Main {
    /**
     * Gets the common name (CN) component of an X.500 principal name.
     * @param principal a distinguished principal name
     * @return the common name (CN) component or a string representation of 
     *   {@code name} if the name does not have a common name component
     */
    public static String getCommonName(X500Principal principal) {
        return getCommonName(principal.getName());
    }

    /**
     * Gets the common name (CN) component of an X.500 principal name.
     * @param name a distinguished principal name
     * @return the common name (CN) component or a string representation of 
     *   {@code name} if the name does not have a common name component
     */
    public static String getCommonName(String name) {
        try {
            LdapName ldapName = new LdapName(name);
            for (Rdn rdn : ldapName.getRdns()) {
                if (rdn.getType().equalsIgnoreCase("cn")) {
                    return rdn.getValue().toString();
                }
            }
            return name;
        } catch (NamingException ex) {
            return name;
        }
    }
}

Related

1. convertLegacyToRFC2253(String dn)
2. credsToTicket(Credentials serviceCreds)
3. extractDirective(HashMap map, String key, String value)
4. filterMechs(String[] mechs, int[] policies, Map props)
5. get(Configuration configuration, String section, String key)
6. getDirectiveValue( HashMap directivesMap, String directive, boolean mandatory)
7. getEntries(Configuration configuration, String section)
8. getPublicCredential(Class type, Subject subject)
9. getRefreshTime(KerberosTicket ticket)