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: ClassValueConverter.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.util.beans;
31:
32: import org.jfree.util.ObjectUtilities;
33:
34: /**
35: * A class that handles the conversion of {@link Integer} attributes to and from their
36: * {@link String} representation.
37: *
38: * @author Thomas Morgner
39: */
40: public class ClassValueConverter implements ValueConverter {
41: public ClassValueConverter() {
42: }
43:
44: public String toAttributeValue(final Object o) {
45: if (o instanceof Class) {
46: final Class c = (Class) o;
47: return c.getName();
48: }
49: throw new ClassCastException("Give me a real type.");
50: }
51:
52: public Object toPropertyValue(final String s) {
53: try {
54: final ClassLoader loader = ObjectUtilities
55: .getClassLoader(ClassValueConverter.class);
56: return loader.loadClass(s);
57: } catch (ClassNotFoundException e) {
58: throw new IllegalArgumentException("No such class.");
59: }
60: }
61: }
|