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: ParameterDataRow.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.data; 032 033 import org.jfree.report.DataRow; 034 import org.jfree.report.DataSourceException; 035 import org.jfree.report.flow.ParameterMapping; 036 import org.jfree.report.util.ReportParameters; 037 038 /** 039 * This is the first datarow in each report. It holds the values of all declared 040 * input parameters. This datarow does not advance and does not keep track of 041 * any changes, as parameters are considered read-only once the reporting has 042 * started. 043 * 044 * @author Thomas Morgner 045 */ 046 public class ParameterDataRow extends StaticDataRow 047 { 048 public ParameterDataRow(final ReportParameters parameters) 049 { 050 final String[] names = parameters.keys(); 051 final Object[] values = new Object[parameters.size()]; 052 053 for (int i = 0; i < names.length; i++) 054 { 055 final String key = names[i]; 056 values[i] = parameters.get(key); 057 } 058 setData(names, values); 059 } 060 061 public ParameterDataRow(final ParameterMapping[] parameters, final DataRow dataRow) 062 throws DataSourceException 063 { 064 final String[] innerNames = new String[parameters.length]; 065 final Object[] values = new Object[parameters.length]; 066 for (int i = 0; i < parameters.length; i++) 067 { 068 final ParameterMapping parameter = parameters[i]; 069 final String name = parameter.getName(); 070 innerNames[i] = parameter.getAlias(); 071 values[i] = dataRow.get(name); 072 } 073 setData(innerNames, values); 074 } 075 }