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: * AnchorStyleSheet.java
27: * ------------
28: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
29: */package org.jfree.report.layout.style;
30:
31: import org.jfree.report.style.AbstractStyleSheet;
32: import org.jfree.report.style.ElementStyleKeys;
33: import org.jfree.report.style.StyleKey;
34: import org.jfree.report.style.StyleSheet;
35:
36: /**
37: * Creation-Date: 30.09.2007, 17:19:49
38: *
39: * @author Thomas Morgner
40: */
41: public class AnchorStyleSheet extends AbstractStyleSheet {
42: private StyleSheet parent;
43: private String anchor;
44:
45: public AnchorStyleSheet(final String anchor, final StyleSheet parent) {
46: if (parent == null) {
47: throw new NullPointerException("Parent must not be null");
48: }
49: this .parent = parent;
50: this .anchor = anchor;
51: }
52:
53: public StyleSheet getParent() {
54: return parent;
55: }
56:
57: public Object getStyleProperty(final StyleKey key,
58: final Object defaultValue) {
59: if (ElementStyleKeys.ANCHOR_NAME.equals(key)) {
60: return anchor;
61: }
62: return parent.getStyleProperty(key, defaultValue);
63: }
64:
65: public Object[] toArray(final StyleKey[] keys) {
66: final Object[] objects = (Object[]) parent.toArray(keys)
67: .clone();
68: objects[ElementStyleKeys.ANCHOR_NAME.getIdentifier()] = anchor;
69: return objects;
70: }
71:
72: }
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