/*!
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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 Lesser General Public License for more details.
 *
 * Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.reporting.engine.classic.core.modules.output.pageable.base;

import org.pentaho.reporting.engine.classic.core.layout.output.LogicalPageKey;
import org.pentaho.reporting.engine.classic.core.layout.output.PhysicalPageKey;

public class SinglePageFlowSelector implements PageFlowSelector {
  private int acceptedPage;
  private boolean logicalPage;

  public SinglePageFlowSelector( final int acceptedPage, final boolean logicalPage ) {
    this.acceptedPage = acceptedPage;
    this.logicalPage = logicalPage;
  }

  public SinglePageFlowSelector( final int acceptedPage ) {
    this( acceptedPage, true );
  }

  public boolean isPhysicalPageAccepted( final PhysicalPageKey key ) {
    if ( key == null ) {
      return false;
    }
    return logicalPage == false && key.getSequentialPageNumber() == acceptedPage;
  }

  public boolean isLogicalPageAccepted( final LogicalPageKey key ) {
    if ( key == null ) {
      return false;
    }
    return logicalPage && key.getPosition() == acceptedPage;
  }
}