/*
 * Copyright (C) 2003-2007 eXo Platform SAS.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see<http://www.gnu.org/licenses/>.
 */
package org.exoplatform.services.organization.jdbc.listeners;

import java.util.List;

import org.exoplatform.services.log.Log;

import org.exoplatform.services.listener.Event;
import org.exoplatform.services.listener.Listener;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.organization.Group;
import org.exoplatform.services.organization.GroupHandler;
import org.exoplatform.services.organization.OrganizationService;
import org.exoplatform.services.organization.jdbc.GroupDAOImpl;

/**
 * Created by The eXo Platform SAS Author : Le Bien Thuy lebienthuy@gmail.com
 * Jun 28, 2007
 */
public class RemoveGroupListener extends Listener<GroupDAOImpl, Group> {

  protected static Log        log = ExoLogger.getLogger("organisation:RemoveGroupListener");

  private OrganizationService service_;

  public RemoveGroupListener(OrganizationService service) {
    service_ = service;
  }

  @SuppressWarnings("unchecked")
  public void onEvent(Event<GroupDAOImpl, Group> event) throws Exception {
    log.info("Remove all Child of Group: " + event.getData().getId());
    GroupHandler membershipHanler = service_.getGroupHandler();
    List<Group> children = (List<Group>) membershipHanler.findGroups(event.getData());
    for (Group child : children) {
      membershipHanler.removeGroup(child, true);
    }
  }
}