Java by API/javax.naming.ldap/SortControl

new SortControl(String[] sortBy, boolean criticality)

   <source lang="java">
  

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<String, String> env = new Hashtable<String, String>();
   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();
   }
 }

}

 </source>