Source for org.jfree.report.expressions.ProxyExpressionRuntime

   1: /**
   2:  * ========================================
   3:  * JFreeReport : a free Java report library
   4:  * ========================================
   5:  *
   6:  * Project Info:  http://reporting.pentaho.org/
   7:  *
   8:  * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
   9:  *
  10:  * This library is free software; you can redistribute it and/or modify it under the terms
  11:  * of the GNU Lesser General Public License as published by the Free Software Foundation;
  12:  * either version 2.1 of the License, or (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  15:  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  16:  * See the GNU Lesser General Public License for more details.
  17:  *
  18:  * You should have received a copy of the GNU Lesser General Public License along with this
  19:  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  20:  * Boston, MA 02111-1307, USA.
  21:  *
  22:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
  23:  * in the United States and other countries.]
  24:  *
  25:  * ------------
  26:  * $Id: ProxyExpressionRuntime.java 2725 2007-04-01 18:49:29Z taqua $
  27:  * ------------
  28:  * (C) Copyright 2000-2005, by Object Refinery Limited.
  29:  * (C) Copyright 2005-2007, by Pentaho Corporation.
  30:  */
  31: package org.jfree.report.expressions;
  32: 
  33: import org.jfree.report.DataRow;
  34: import org.jfree.report.ReportData;
  35: import org.jfree.report.flow.ReportContext;
  36: import org.jfree.report.i18n.ResourceBundleFactory;
  37: import org.jfree.util.Configuration;
  38: 
  39: /**
  40:  * Creation-Date: 22.04.2006, 14:17:54
  41:  *
  42:  * @author Thomas Morgner
  43:  */
  44: public class ProxyExpressionRuntime implements ExpressionRuntime
  45: {
  46:   private ExpressionRuntime parent;
  47: 
  48:   public ProxyExpressionRuntime(final ExpressionRuntime parent)
  49:   {
  50:     if (parent == null)
  51:     {
  52:       throw new NullPointerException();
  53:     }
  54:     this.parent = parent;
  55:   }
  56: 
  57:   /**
  58:    * Returns the datarow.
  59:    *
  60:    * @return
  61:    */
  62:   public DataRow getDataRow()
  63:   {
  64:     return parent.getDataRow();
  65:   }
  66: 
  67:   public Configuration getConfiguration()
  68:   {
  69:     return parent.getConfiguration();
  70:   }
  71: 
  72:   public ResourceBundleFactory getResourceBundleFactory()
  73:   {
  74:     return parent.getResourceBundleFactory();
  75:   }
  76: 
  77:   /**
  78:    * Returns the report data used in this section. If subreports are used, this
  79:    * does not reflect the complete report data.
  80:    * <p/>
  81:    * All access to the report data must be properly synchronized. Failure to do
  82:    * so may result in funny results. Do not assume that the report data will be
  83:    * initialized on the current cursor positon.
  84:    *
  85:    * @return
  86:    */
  87:   public ReportData getData()
  88:   {
  89:     return parent.getData();
  90:   }
  91: 
  92:   public int getCurrentRow()
  93:   {
  94:     return parent.getCurrentRow();
  95:   }
  96: 
  97:   public Object getDeclaringParent()
  98:   {
  99:     return parent.getDeclaringParent();
 100:   }
 101: 
 102:   public ReportContext getReportContext()
 103:   {
 104:     return parent.getReportContext();
 105:   }
 106: 
 107: }