01: /**
02: * ========================================
03: * JFreeReport : a free Java report library
04: * ========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
09: *
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: ParameterDataRow.java 3048 2007-07-28 18:02:42Z tmorgner $
27: * ------------
28: * (C) Copyright 2000-2005, by Object Refinery Limited.
29: * (C) Copyright 2005-2007, by Pentaho Corporation.
30: */package org.jfree.report.data;
31:
32: import org.jfree.report.DataRow;
33: import org.jfree.report.DataSourceException;
34: import org.jfree.report.flow.ParameterMapping;
35: import org.jfree.report.util.ReportParameters;
36:
37: /**
38: * This is the first datarow in each report. It holds the values of all declared
39: * input parameters. This datarow does not advance and does not keep track of
40: * any changes, as parameters are considered read-only once the reporting has
41: * started.
42: *
43: * @author Thomas Morgner
44: */
45: public class ParameterDataRow extends StaticDataRow {
46: public ParameterDataRow(final ReportParameters parameters) {
47: final String[] names = parameters.keys();
48: final Object[] values = new Object[parameters.size()];
49:
50: for (int i = 0; i < names.length; i++) {
51: final String key = names[i];
52: values[i] = parameters.get(key);
53: }
54: setData(names, values);
55: }
56:
57: public ParameterDataRow(final ParameterMapping[] parameters,
58: final DataRow dataRow) throws DataSourceException {
59: final String[] innerNames = new String[parameters.length];
60: final Object[] values = new Object[parameters.length];
61: for (int i = 0; i < parameters.length; i++) {
62: final ParameterMapping parameter = parameters[i];
63: final String name = parameter.getName();
64: innerNames[i] = parameter.getAlias();
65: values[i] = dataRow.get(name);
66: }
67: setData(innerNames, values);
68: }
69: }
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