Script - Contar todas las subcarpetas hijas

Cuenta todas las carpetas hijas y subcarpetas de forma recursiva dentro de la carpeta de primer nivel (carpetas hijas de okm:root).

import java.util.ArrayList;
import java.util.List;

import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

import com.openkm.api.OKMFolder;
import com.openkm.bean.Folder;
import com.openkm.util.ContextWrapper;

class Util {

    public int childCount(String uuid) {
        String qsUUIDList = "select uuid from NodeFolder nf where nf.parent=:parent";
        Session session = null;
        Transaction tx = null;
        int value = 0;
        List uuidList = new ArrayList();

        try {
            SessionFactory sessionFactory = ContextWrapper.getContext().getBean(SessionFactory.class);

            session = sessionFactory.openSession();
            tx = session.beginTransaction();
            Query q = session.createQuery(qsUUIDList).setCacheable(true);
            q.setString("parent", uuid);
            uuidList = q.list();
            tx.commit();
            value = uuidList.size();
            print(value);

        } catch (HibernateException e) {
            tx.rollback();
        } finally {
            session.close();
        }

        for (Object childUuid : uuidList) {
            value = value + childCount((String) childUuid);
        }
        return value;
    }
}


OKMFolder okmFolder = ContextWrapper.getContext().getBean(OKMFolder.class);
Util util = new Util();
// /okm:root = 151f3a54-f370-47d6-801a-d20faecec180
for (Folder fld : okmFolder.getChildren(null, "151f3a54-f370-47d6-801a-d20faecec180")) {
    print(fld.getPath() + "->" + util.childCount(fld.getUuid()) + "<br/>");
}