/*
    * 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;
  
  import java.util.ArrayList;
  
  import org.exoplatform.services.wcm.core.NodeLocation;
  import org.exoplatform.services.wcm.utils.WCMCoreUtils;
  
  /**
   * Created by The eXo Platform SAS
   * Author : Hoa Pham
   * hoa.phamvu@exoplatform.com
   * Oct 17, 2008
   */
  @SuppressWarnings({ "deprecation", "unchecked" })
  public class NodeLocationPaginatedResultIterator extends PaginatedResultIterator {
  
    public NodeLocationPaginatedResultIterator(int pageSize) {
      super(pageSize);
    }
  
    public NodeLocationPaginatedResultIterator(Result result, int pageSize) {
      super(result, pageSize);
    }
  
    /* (non-Javadoc)
     * @see org.exoplatform.commons.utils.PageList#populateCurrentPage(int)
     */
    protected void populateCurrentPage(int page) throws Exception {
      if(page == currentPage_) {
        if(currentListPage_ != null)
          return;
      }
      currentListPage_ = new ArrayList();
  
      WCMComposer composer = WCMCoreUtils.getService(WCMComposer.class);
      result.getFiltersDescriber().put(WCMComposer.FILTER_LIMIT, ""+this.getPageSize());
      result.getFiltersDescriber().put(WCMComposer.FILTER_OFFSET, ""+(this.getPageSize()*(page-1)));
      result.getFiltersDescriber().put(WCMComposer.FILTER_TOTAL, ""+this.result.getNumTotal());
      result = composer.getPaginatedContents(result.getNodeLocationDescriber(),
                                             result.getFiltersDescriber(),
                                             WCMCoreUtils.getUserSessionProvider());
  
      currentListPage_ = NodeLocation.getLocationsByNodeList(result.getNodes());
  
      currentPage_ = page;
    }
  
  }