/*
 * Copyright (C) 2003-2008 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.wcm.publication.listener.page;

import org.exoplatform.container.ExoContainer;
import org.exoplatform.container.ExoContainerContext;
import org.exoplatform.portal.config.DataStorageImpl;
import org.exoplatform.portal.config.model.Page;
import org.exoplatform.services.listener.Event;
import org.exoplatform.services.listener.Listener;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.security.ConversationState;
import org.exoplatform.services.wcm.publication.WCMPublicationService;

/**
 * Created by The eXo Platform SAS
 * Author : Hoa Pham
 * hoa.pham@exoplatform.com
 * Sep 24, 2008
 */
public class UpdatePageEventListener extends Listener<DataStorageImpl, Page> {

  /** The log. */
  private static Log log = ExoLogger.getLogger(UpdatePageEventListener.class);
  WCMPublicationService publicationService = null;
  public UpdatePageEventListener(WCMPublicationService publicationService){
    this.publicationService = publicationService;
  }
  /* (non-Javadoc)
   * @see org.exoplatform.services.listener.Listener#onEvent(org.exoplatform.services.listener.Event)
   */
  public void onEvent(Event<DataStorageImpl, Page> event) throws Exception {
    if (publicationService ==null) {    
      ExoContainer container = ExoContainerContext.getCurrentContainer();
      publicationService = (WCMPublicationService)container.getComponentInstanceOfType(WCMPublicationService.class);
    }
    try {
      if (ConversationState.getCurrent() == null)
        publicationService.updateLifecyleOnChangePage(event.getData(), null);
      else
        publicationService.updateLifecyleOnChangePage(event.getData(), ConversationState.getCurrent().getIdentity().getUserId());
    } catch (Exception e) {
      if (log.isErrorEnabled()) {
        log.error("Exception when update publication lifecyle", e);
      }
    }
  }
}
