import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.directory.*;
import java.util.Hashtable;

/**
 * User: gmc
 * Date: 16/02/11
 * http://code.google.com/p/java-use-examples/source/browse/trunk/src/com/aw/ad/LdapBasicExample.java?r=2
 */
public class LdapBasicExample {

    public static void main(String[] args) {
        String userName = "ldapaccess";         // Логин входа в АД
        Hashtable env = new Hashtable();
        env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
        env.put(Context.PROVIDER_URL, "ldap://192.168.2.250:389/dc=firma,dc=ua");     // Адрес сервера
        env.put(Context.SECURITY_AUTHENTICATION, "simple");
        env.put(Context.SECURITY_PRINCIPAL, new String("firma" + "\\" + userName));
        env.put(Context.SECURITY_CREDENTIALS, "ldapaccess");    // Пароль
        env.put(Context.REFERRAL, "follow");
        env.put("com.sun.jndi.ldap.read.timeout", "500");       // Настройка таймаута. Но не помогает :(

        DirContext ctx = null;
        NamingEnumeration results = null;
        try {
            ctx = new InitialDirContext(env);
            SearchControls controls = new SearchControls();
            controls.setSearchScope(SearchControls.SUBTREE_SCOPE);
            controls.getCountLimit();
            
//            String usersName = "ldapaccess";
//            String filter = "(userid="+usersName+")";
//            String filter = "(objectclass=person)&(userid=" + usersName + ")";
//            String filter = "(objectclass=person)";

            String filter = "(mail=*)";              // Фильтр поиска
            
            String base="";
	
            results = ctx.search(base, filter, controls);
            while (results.hasMore()) {
                SearchResult searchResult = (SearchResult) results.next();
                Attributes attributes = searchResult.getAttributes();
                Attribute attr = attributes.get("cn");
                String cn = (String) attr.get();
                System.out.println(" Person Common Name = " + attributes.get("cn"));
//                System.out.println(" Person Display Name = " + attributes.get("displayName"));
                System.out.println(" Person e-mail = " + attributes.get("mail"));
                //System.out.println(" Person logonhours = " + attributes.get("logonhours"));
//                System.out.println(" Person MemberOf = " + attributes.get("memberOf"));
            }
        } catch (Throwable e) {
            e.printStackTrace();
        } finally {
            if (results != null) {
                try {
                    results.close();
                } catch (Exception e) {
                }
            }
            if (ctx != null) {
                try {
                    ctx.close();
                } catch (Exception e) {
                }
            }
        }
    }
}