Help! Example to list users Active Directory

Question

Hello, I�m totaly new to jndi. I need to obtain the list of users from Active Directory. Can anyone point me to an example or tutorial?
Thanx
Javier

Answer 1

After alot of trial and error I think I got this example to work. I got the example somewhere in this forum but I don�t remember from who, so if you think it�s your code, thanks. I hope it is usefull for anyone else....
<code>
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.naming.directory.*;
import javax.naming.ldap.*;
import javax.naming.*;
import java.util.Hashtable;
import java.util.Enumeration;
public class JndiTest
     public static void main(String[] args)
          System.out.println("Starting...");
          Hashtable env = new Hashtable();
          env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
          env.put(Context.PROVIDER_URL, "ldap://10.20.223.129:389/");
          env.put(Context.SECURITY_AUTHENTICATION, "simple");
          env.put(Context.SECURITY_PRINCIPAL, "[email protected]");
          env.put(Context.SECURITY_CREDENTIALS, "digitel412");
          try
               DirContext ctx = new InitialDirContext(env);
               SearchControls ctls = new SearchControls();
               ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);
               String[] attrs = { "cn", "telephoneNumber", "sn", "userPrincipalName","memberOf","name" };
               ctls.setReturningAttributes(attrs);
               String filter = "(objectClass=organizationalPerson)";
               NamingEnumeration answer = ctx.search("CN=Users,DC=digiteltest,DC=com,DC=xx", filter, ctls);
               while (answer.hasMoreElements())
                    //NameClassPair nc = (NameClassPair)answer.next();
                    //System.out.println(nc);
                    SearchResult si = (SearchResult) answer.next();
                    Attributes attribs = si.getAttributes();
                    if (attribs == null)
                         System.out.println("No attributes");
                    else
                         for (NamingEnumeration ae = attribs.getAll(); ae.hasMoreElements();)
                              Attribute attr = (Attribute) ae.next();
                              String attrId = attr.getID();
                              for (Enumeration vals = attr.getAll(); vals.hasMoreElements(); System.out.println(attrId + ": " + vals.nextElement()));
                    System.out.println("======================================================================================");
               ctx.close();
          catch (Exception e)
               e.printStackTrace();
          System.out.println("Finished.");
</code>