001    /**
002     * ========================================
003     * JFreeReport : a free Java report library
004     * ========================================
005     *
006     * Project Info:  http://reporting.pentaho.org/
007     *
008     * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009     *
010     * This library is free software; you can redistribute it and/or modify it under the terms
011     * of the GNU Lesser General Public License as published by the Free Software Foundation;
012     * either version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016     * See the GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public License along with this
019     * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020     * Boston, MA 02111-1307, USA.
021     *
022     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023     * in the United States and other countries.]
024     *
025     * ------------
026     * $Id: ProxyExpressionRuntime.java 2725 2007-04-01 18:49:29Z taqua $
027     * ------------
028     * (C) Copyright 2000-2005, by Object Refinery Limited.
029     * (C) Copyright 2005-2007, by Pentaho Corporation.
030     */
031    package org.jfree.report.expressions;
032    
033    import org.jfree.report.DataRow;
034    import org.jfree.report.ReportData;
035    import org.jfree.report.flow.ReportContext;
036    import org.jfree.report.i18n.ResourceBundleFactory;
037    import org.jfree.util.Configuration;
038    
039    /**
040     * Creation-Date: 22.04.2006, 14:17:54
041     *
042     * @author Thomas Morgner
043     */
044    public class ProxyExpressionRuntime implements ExpressionRuntime
045    {
046      private ExpressionRuntime parent;
047    
048      public ProxyExpressionRuntime(final ExpressionRuntime parent)
049      {
050        if (parent == null)
051        {
052          throw new NullPointerException();
053        }
054        this.parent = parent;
055      }
056    
057      /**
058       * Returns the datarow.
059       *
060       * @return
061       */
062      public DataRow getDataRow()
063      {
064        return parent.getDataRow();
065      }
066    
067      public Configuration getConfiguration()
068      {
069        return parent.getConfiguration();
070      }
071    
072      public ResourceBundleFactory getResourceBundleFactory()
073      {
074        return parent.getResourceBundleFactory();
075      }
076    
077      /**
078       * Returns the report data used in this section. If subreports are used, this
079       * does not reflect the complete report data.
080       * <p/>
081       * All access to the report data must be properly synchronized. Failure to do
082       * so may result in funny results. Do not assume that the report data will be
083       * initialized on the current cursor positon.
084       *
085       * @return
086       */
087      public ReportData getData()
088      {
089        return parent.getData();
090      }
091    
092      public int getCurrentRow()
093      {
094        return parent.getCurrentRow();
095      }
096    
097      public Object getDeclaringParent()
098      {
099        return parent.getDeclaringParent();
100      }
101    
102      public ReportContext getReportContext()
103      {
104        return parent.getReportContext();
105      }
106    
107    }