import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.NameClassPair;
import javax.naming.NamingEnumeration;
import javax.naming.ldap.Control;
import javax.naming.ldap.InitialLdapContext;
import javax.naming.ldap.LdapContext;
import javax.naming.ldap.SortControl;
public class Main {
public static void main(String[] argv) throws Exception {
String url = "ldap://localhost/o=JNDITutorial";
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDER_URL, url);
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL, "userDN");
env.put(Context.SECURITY_CREDENTIALS, "secret");
Control[] connectCtls = new Control[] { null };
LdapContext ctx = new InitialLdapContext(env, null);
Control[] ctxCtls = new Control[] { new SortControl(new String[] { "cn" }, Control.CRITICAL) };
ctx.setRequestControls(ctxCtls);
NamingEnumeration answer = ctx.list("");
while (answer.hasMore()) {
NameClassPair item = (NameClassPair) answer.next();
}
}
}