package beans;

import java.util.*;
import javax.naming.*;
import javax.naming.directory.*;

public class TestLdapScript {
    public static void main(String[] args) {

            String userName = "username";
            String passWord = "password";

        try {    Hashtable env = new Hashtable();
                env.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
                env.put(Context.PROVIDER_URL,"LDAP://xx.xxx.net:389"); //replace with your server URL/IP
                //only DIGEST-MD5 works with our Windows Active Directory
                env.put(Context.SECURITY_AUTHENTICATION,"DIGEST-MD5"); //No other SALS worked with me
                env.put(Context.SECURITY_PRINCIPAL,userName); // specify the username ONLY to let Microsoft Happy
                env.put(Context.SECURITY_CREDENTIALS, passWord);   //the password
                DirContext ctx = new InitialDirContext(env);
                //Create the search controls
                SearchControls searchCtls = new SearchControls();

                //Specify the attributes to return
                String returnedAtts[]={"cn","DisplayName"};
                searchCtls.setReturningAttributes(returnedAtts);

                //Specify the search scope
                searchCtls.setSearchScope(SearchControls.SUBTREE_SCOPE);

                //specify the LDAP search filter
                //String searchFilter = "(&(ObjectClass=Person)(!(ObjectClass=user)))";
                //String searchFilter = "(&(objectClass=user)(&(objectClass=Person)(!(userAccountControl=514))))";
                  String searchFilter = "(&(objectClass=person)(CN=))";

                //Specify the Base for the search
                String searchBase = "DC=xxxx,DC=net";

                //initialize counter to total the results
                int totalResults = 0;


                // Search for objects using the filter
                NamingEnumeration answer = ctx.search(searchBase, searchFilter, searchCtls);

                //Loop through the search results
                while (answer.hasMoreElements()) {
                    SearchResult sr = (SearchResult)answer.next();

                totalResults++;

                System.out.println(">>>" + sr.getName());

                // Print out some of the attributes, catch the exception if the attributes have no values

                Attributes attrs = sr.getAttributes();
                if (attrs != null) {
                    try {
                    System.out.println("   surname: " + attrs.get("cn").get());
                    System.out.println("   firstname: " + attrs.get("DisplayName").get());

                    }
                    catch (NullPointerException e)  {
                    System.out.println("Errors listing attributes: " + e);
                    }
              }


            }

                ctx.close();
        } catch(NamingException ne)
            {    System.out.println("Error authenticating user:");
                 System.out.println(ne.getMessage());
                     return;
             }  //if no exception, the user is already authenticated.
        System.out.println("OK, successfully authenticating user");
        }
    }