FileNet - Fetch the users and all attributes from Active Directory and AD Connection and setting all environment variables for AD

Connecting to Active Directory

ArrayList getListValues(){

// Connect to the Active Directory here or click here for Connection code

ArrayList list = new ArrayList();

        SearchControls searchctrl = new SearchControls();

        searchctrl.setSearchScope(SearchControls.SUBTREE_SCOPE);

        searchctrl.setReturningAttributes(new String[]{"name or id"}); \\ attributes which we are retriving from AD

        results = dirContext.search("", "(objectclass=user)", searchctrl);

        while(results.hasMore()){

        SearchResult res = (SearchResult) results.next();

        Attributes attributes = res.getAttributes();

        Enumeration attribute = attributes.getAll();

        while(attribute.hasMoreElements()){

        Attribute attr = (Attribute) attribute.nextElement();

        if(!attr.toString().equals("") && !attr.toString().equals(null)){

        list.add(attr.toString());

        }

        }       

          }       

              return list;

}