01: /**
02: * ===========================================
03: * JFreeReport : a free Java reporting library
04: * ===========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2001-2007, by Object Refinery Ltd, 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: * BandElementFactory.java
27: * ------------
28: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
29: */package org.jfree.report.elementfactory;
30:
31: import org.jfree.report.Band;
32: import org.jfree.report.Element;
33:
34: /**
35: * A element factory that can be used to configure bands. Unlike with the other factories, this factory does not
36: * generate new bands on each call to 'createElement'.
37: *
38: * @author Thomas Morgner
39: */
40: public class BandElementFactory extends TextElementFactory {
41: /**
42: * The band that is being configured.
43: */
44: private Band band;
45:
46: /**
47: * Default Constructor that constructs generic bands.
48: */
49: public BandElementFactory() {
50: this (new Band());
51: }
52:
53: /**
54: * Default Constructor that configures the given band implementation.
55: *
56: * @param band the band that is being configured. Cannot be null.
57: */
58: public BandElementFactory(final Band band) {
59: if (band == null) {
60: throw new NullPointerException();
61: }
62: this .band = band;
63: }
64:
65: /**
66: * Returns the created band or the band that has been specified for configuration.
67: *
68: * @return the band.
69: */
70: public Element createElement() {
71: applyElementName(band);
72: applyStyle(band.getStyle());
73: return band;
74: }
75: }
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